A Checklist of the Flora of Amrum

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Taxa in black type have been recorded since 1987 either by myself or by Türk (1994). Those in grey type were recorded at earlier dates.

* Taxa recorded in my survey but not by other authors.

Aceraceae Alismataceae Apiaceae Aquifoliaceae Araceae Araliaceae Asteraceae Balsaminaceae Betulaceae Boraginaceae Brassicaceae Callitrichaceae Campanulaceae Cannabinaceae Caprifoliaceae Caryophyllaceae Chenopodiaceae Clusiaceae Convolvulaceae Crassulaceae Cucurbitaceae Cupressaceae Cuscutaceae Cyperaceae Dipsacaceae Droseraceae Dryopteridaceae Elaeagnaceae Equisetaceae Ericaceae Euphorbiaceae Fabaceae Fagaceae Fumariaceae Gentianaceae Geraniaceae Grossulariaceae Haloragaceae Hippocastanaceae Hydrophyllaceae Iridaceae Juncaceae Juncaginaceae Lamiaceae Lemnaceae Lentibulariaceae Liliaceae Linaceae Lycopodiaceae Lythraceae Malvaceae Menyanthaceae Nymphaeaceae Oleaceae Onagraceae Ophioglossaceae Orchidaceae Osmundaceae Oxalidaceae Papaveraceae Pinaceae Plantaginaceae Plumbaginaceae Poaceae Polygalaceae Polygonaceae Polypodiaceae Portulacaceae Potamogetonaceae Primulaceae Pyrolaceae Ranunculaceae Resedaceae Rhamnaceae Rosaceae Rubiaceae Ruppiaceae Salicaceae Saxifragaceae Scrophulariaceae Solanaceae Sparganiaceae Taxaceae Tiliaceae Tropaeolaceae Typhaceae Ulmaceae Urticaceae Valerianaceae Violaceae Vitaceae Woodsiaceae Zannichelliaceae Zosteraceae

Lycopodiaceae

Speciesabundance statusHabitatNotes
Lycopodiella inundata
  (Marsh Clubmoss
rare
native
Dune slack near the Wriakhörnsee A rare and endangered species across Europe
Lycopodium clavatum
  (Stag's Horn Clubmoss

Türk, W. (1994)
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Equisetaceae

Speciesabundance statusHabitatNotes
Equisetum arvense
  (Field Horsetail
uncommon
native
On the banks of ditches Low lying land between Steenodde and Wittdün
Equisetum fluviatile
  (Water Horsetail
rare
native
Next to a small overgrown pond
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Ophioglossaceae

Speciesabundance statusHabitatNotes
Botrychium lunaria
  (Moonwort)

Other Cited in Christiansen (1961)
Ophioglossum vulgatum
  (Adder's-tounge)

Christiansen (1961)
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Osmundaceae

Speciesabundance statusHabitatNotes
Osmunda regalis
  (Royal Fern)

Raabe, E. W. (1987)
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Polypodiaceae

Speciesabundance statusHabitatNotes
Polypodium vulgare
  (Polypody
common
native
Deciduous woodland, conifer plantations and fixed dunes
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Woodsiaceae

Speciesabundance statusHabitatNotes
Athyrium filix-femina*
  (Lady Fern
rare
native
Conifer plantations A single plant found, presumably a recent colonist
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Dryopteridaceae

Speciesabundance statusHabitatNotes
Dryopteris carthusiana
  (Narrow Buckler fern
uncommon
native
Conifer plantations Hard to find amongst the much more abundant and similar looking Dryopteris dilatata
Dryopteris dilatata
  (Broad Buckler fern
Abundant
native
Deciduous woodland and conifer plantations
Dryopteris filix-mas
  (Male Fern
uncommon
native
Embankments surrounding houses and in woods
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Pinaceae

Speciesabundance statusHabitatNotes
Abies alba*
  (Fir
uncommon
planted
Conifer plantations
Abies grandis*
  (Fir
uncommon
planted
Conifer plantations
Larix x marschlinsii*
  (Japanese Larch
uncommon
planted
Conifer plantations
Picea glauca*
  (White Spruce
rare
planted
Conifer plantations
Picea sitchensis*
  (Sitka Spruce
common
planted
Conifer plantations Creating dense shade under which little survives
Pinus contorta*
  (Lodgepole Pine
uncommon
sometimes planted
Usually found at the boundary between the dunes and conifer plantations Often self sown on the dunes
Pinus mugo*
  (Dwarf Mountain-pine
uncommon
planted
Usually found at the boundary between the dunes and conifer plantations
Pinus nigra*
  (Corsican Pine
Abundant
planted
Conifer plantations Probably the commonest plantation tree on the island. Used to stabilize dunes
Pinus sylvestris*
  (Scots Pine
common
planted
Conifer plantations Commonly planted to stabilize dunes
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Cupressaceae

Speciesabundance statusHabitatNotes
Juniperus communis
  (Common Juniper

Türk, W. (1994)
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Taxaceae

Speciesabundance statusHabitatNotes
Taxus baccata*
  (Yew
rare
probably planted
Woodland
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Nymphaeaceae

Speciesabundance statusHabitatNotes
Nymphaea alba
  (White Water Lily
rare
probably planted
Pond South of Steenodde
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Ranunculaceae

Speciesabundance statusHabitatNotes
Aquilegia vulgaris*
  (Columbine
uncommon
introduced
Garden weed, wasteplaces and occationally in woodland Probably tolerated by gardeners and allowed to self-sow
Pulsatilla vulgaris
  (Pasqueflower)

Raabe, E. W. (1987)
Ranunculus acris
  (Meadow buttercup
common
native
Meadows and roadsides
Ranunculus aquatilis agg.
  (Common Water-crowfoot
rare
native
Pond Just surviving in a small pool in grazing land north of Norddorf
Ranunculus bulbosus
  (Bulbous buttercup

Türk, W. (1994)
Ranunculus flammula
  (Lesser Spearwort
uncommon
native
Wet dune slacks and banks of ponds On the banks of the Wriakhörnsee and also in boggy dune slacks north of Norddorf
Ranunculus hederaceus
  (Ivy-leaved Crowfoot)

Raabe, E. W. (1987)
Ranunculus repens
  (Creeping buttercup
common
native
Meadows, pastures, wasteplaces, lawns and roadsides
Ranunculus sardous
  (Hairy buttercup
uncommon
archaeophyte
Pastures and trodden ground Pastures north of Norddorf
Ranunculus sceleratus
  (Celery leaved Crowfoot
uncommon
native
Ditches, dune slacks and wasteplaces Often quite close to the sea on the edge of saltmarsh
Thalictrum flavum
  (Common Meadow-rue)

Raabe, E. W. (1987)
Thalictrum minus ssp. saxatile
  (Lesser Meadow-rue)

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Papaveraceae

Speciesabundance statusHabitatNotes
Chelidonium majus*
  (Greater Celandine
rare
introduced
Wasteplaces and garden weed
Eschscholzia californica*
  (Californian Poppy
rare
casual
Road verge and wasteland One plant along main road in Süddorf, near garden
Papaver argemone
  (Prickly Poppy

Türk, W. (1994)
Papaver dubium ssp. dubium
  (Long Smooth-headed Poppy
common
archaeophyte
Wasteplaces, a weed in arable crops and roadsides
Papaver rhoeas
  (Common Poppy
common
archaeophyte
Wasteplaces, arable crops and roadsides
Papaver somniferum*
  (Opium Poppy
uncommon
introduced
Wasteplaces Never more than a handful of plants at any one site, but present in many places
Glaucium flavum
  (Yellow Horned-poppy
rare
native
Strandline Found in a small area on the western shore at the highest high tide mark where litter collects
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Fumariaceae

Speciesabundance statusHabitatNotes
Fumaria officinalis ssp. officinalis
  (Fumitory
uncommon
archaeophyte
Field margins and tracks
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Ulmaceae

Speciesabundance statusHabitatNotes
Ulmus x hollandica*
  (Dutch Elm
uncommon
Hedges No large trees were found and one small tree was seen to have died, presumably of Dutch Elm disease. Determined only from Nebel, but probably elsewhere too
Ulmus glabra*
  (Wych Elm
uncommon
Hedges Small trees were seen in the boundary hedges and saplings from wild sown seeds was found. Determined only from Nebel, but probably elsewhere too
Ulmus laevis*
  (European White-elm
rare
planted
Roadside One tree in Nebel, at a roadside
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Cannabinaceae

Speciesabundance statusHabitatNotes
Humulus lupulus
  (Hop
rare
probably planted
Sandy embankment On a embankment facing Nordstrand in Wittdün. Also near the mini-golf in Norddorf. Probably originally planted
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Urticaceae

Speciesabundance statusHabitatNotes
Urtica dioica
  (Stinging Nettle
common
Wasteplaces, woodland margins and roadsides
Urtica urens
  (Small Nettle
rare
archaeophyte
Disturbed ground in cattle pastures and Garden weed
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Fagaceae

Speciesabundance statusHabitatNotes
Castanea sativa*
  (Chestnut
rare
sometimes planted
Conifer plantations North of the lighthouse
Quercus robur
  (Pedunculate Oak
common
sometimes planted
Mature trees found in deciduous woodland and on heaths Also, saplings occasionally found on fixed dunes
Quercus rubra*
  (Red Oak
uncommon
sometimes planted
Deciduous woodland and conifer plantations Apparently planted, but also self seeded
Fagus sylvatica*
  (Beech
uncommon
planted
Mainly planted near buildings Apparently not regenerating
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Betulaceae

Speciesabundance statusHabitatNotes
Alnus glutinosa
  (Alder
common
native
Damp woods and margins of ditches Particularly between Steenodde and Wittdün
Alnus incana*
  (Grey Alder
rare
planted
Damp woods and margins of ditches
Betula pendula
  (Silver Birch
common
sometimes planted
Heaths, woodland, fixed dunes and dune slacks Intermediate plants between B. pubescens and B. pendula were seen and it is therefore likely that the hybrid B. x aurata is also present on the island. Synonym Betula verrucosa
Betula pubescens
  (Brown Birch
common
native
Boggy dune slacks
Corylus avellana*
  (Hazel
rare
planted
Deciduous woodland
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Chenopodiaceae

Speciesabundance statusHabitatNotes
Atriplex glabriuscula
  (Babington's Orache)

Raabe, E. W. (1987)
Atriplex laciniata
  (Frosted Orache)

Raabe, E. W. (1987)
Atriplex littoralis
  (Grass-leaved Orache
common
native
Saltmarsh and wasteplaces close to sea Often associated with Elytrigia species
Atriplex longipes
  (Long-stalked Orache)

native
Raabe, E. W. (1987)
Atriplex patula
  (Common Orache
uncommon
Wasteplaces Determined from a patch of wasteground south of Nebel, but certainly elsewhere also
Atriplex pedunculata
  (Pedunculate Sea-purslane

Türk, W. (1994)
Atriplex portulacoides
  (Sea-purslane
common
native
Saltmarsh
Atriplex prostrata
  (Spear-leaved Orache
common
native
Saltmarsh and wasteplaces
Bassia hirsuta
 

Türk, W. (1994)
Beta vulgaris subsp. maritima*
  (Sea Beet
rare
native
Strandline A single plant, not flowering was found growing at the upper most strandline on the beach. Very rare in Schleswig-Holsteins and probably only casual
Chenopodium album agg.
  (Fat Hen
common
Wasteplaces
Chenopodium murale
  (Nettle-leaved Goosefoot)

Raabe, E. W. (1987)
Chenopodium rubrum
  (Red Goosefoot
uncommon
Upper saltmarsh, Strandline and wasteplaces
Chenopodium suecicum
  (Swedish Goosefoot
uncommon
introduced
Wasteplaces
Salicornia europaea agg.
  (Glasswort
Abundant
native
Saltmarsh
Salicornia procumbens agg.
  (Glasswort

Salsola kali ssp. kali
  (Saltwort
uncommon
native
Sandy beaches
Suaeda maritima
  (Annual Sea-blite
common
native
Saltmarsh
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Portulacaceae

Speciesabundance statusHabitatNotes
Claytonia perfoliata*
  (Spring Beauty
rare
introduced
Garden weed Growing next to the pavement in the centre of Nebel. Also in a garden in Wittdün
Claytonia sibirica*
  (Pink Purslane
rare
introduced
Garden weed Inside the boundaries of a wild garden in Heide. Also, in Suddorf
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Caryophyllaceae

Speciesabundance statusHabitatNotes
Agrostemma githago
  (Corncockle)

Raabe, E. W. (1987)
Arenaria serpyllifolia ssp. serpyllifolia
  (Thyme-leaved Sandwort
uncommon
Sandy Tracks West of Wittdün. A glandular form was also found on sand at the high tide mark
Cerastium arvense
  (Field Mouse-ear
uncommon
native
Road verges and grassland
Cerastium diffusum
  (Sea Mouse-ear

Synonym Cerastium tetrandrum Türk, W. (1994)
Cerastium fontanum ssp. vulgare
  (Common Mouse-ear
common
native
Verges, grassland and wasteplaces Synonym Cerastium caespitosum. Some large flowered plants growing in saltmarsh on the western shore may be Cerastium fontanum ssp. holosteoides
Cerastium glomeratum
  (Sticky Mouse-ear
uncommon
native
Wasteplaces
Cerastium pumilum
  (Dwalf Mouse-ear

Türk, W. (1994)
Cerastium semidecandrum
  (Little Mouse-ear
common
native
Fixed dunes
Cerastium tomentosum*
  (Snow-in-summer
uncommon
introduced
On embankments and fixed dunes Generally close to houses from where it has presumably escaped
Dianthus carthusianorum
 
rare
Grassland Several plants seen in field margin to the east of Norddorf. Also, seen in a garden in Nebel, but there it is apparently cultivated
Dianthus deltoides
  (Maiden Pink
uncommon
native
Short grazed grass on sandy soil
Honckenya peploides
  (Sea Sandwort
abundant
native
Sandy saltmarsh and sandy beaches
Lychnis flos-cuculi
  (Ragged Robin
uncommon
native
Wet pasture and banks of ditches North of Norddorf and near sewage works at Steenodde
Sagina apetala*
  (Ciliate Pearlwort
common
Pavement cracks, tracks and roadsides
Sagina maritima
  (Sea Pearlwort
common
native
Dune slacks
Sagina nodosa
  (Knotted Pearlwort
rare
native
Dune slacks Found only on very small dunes, within larger dune slack. These large slacks separate the foredunes from main dune system
Sagina procumbens
  (Common Pearlwort
common
native
Lawns, pavement cracks, wet dune slacks and grazed short turf
Sagina subulata
  (Heath Pearlwort

Cited in Türk, W. (1994)
Saponaria officinalis
  (Soapwort

Türk, W. (1994)
Scleranthus annuus
  (Knawel
common
Wasteplaces and a weed of Arable crops
Scleranthus perennis
  (Perennial Knawel
uncommon
native
Short grazed turf Seen in horse grazed pastures and rabbit grazed field margins
Scleranthus annuus x perennis
 

Other Cited in Christiansen (1961)
Silene dioica
  (Red Campion
rare
Margins of woodlands Two plants seen in two different locations. Synonym Melandrium rubrum
Silene latifolia
  (White Campion
common
Wasteplaces, a weed of Arable crops and on roadsides Synonym Melandrium album
Silene nutans
  (Nottingham Catchfly)

Raabe, E. W. (1987)
Silene otites
  (Spanish Catchfly
rare
native
In grassland on sandy soil Next to a track north of Norddorf
Silene vulgaris
  (Bladder Campion
uncommon
Wasteplaces and roadsides Wittdün. Synonym Silene inflata
Spergula arvensis
  (Corn Spurrey
common
archaeophyte
Wasteplaces and a weed of Arable crops
Spergularia marina
  (Sea Spurry
common
native
Saltmarsh behind foredunes Synonym Spergularia salina
Spergularia media
  (Perennial Sea Spurry
common
native
Saltmarsh Synonym Spergularia marginata
Spergularia rubra
  (Red Spurrey
common
Heath, pavement cracks, tracks and roadsides Always on well trodden ground
Stellaria graminea
  (Lesser Stitchwort
common
native
Grassland, roadsides and meadows
Stellaria media
  (Chickweed
common
Wasteplaces, agricultural weed, tracks and woodland margins
Stellaria pallida
  (Lesser Chickweed
uncommon
native
On bare patches of sandy soil Found once north-west of Nebel, but easily overlooked and probably elsewhere
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Polygonaceae

Speciesabundance statusHabitatNotes
Fagopyrum tataricum
  (Tartary Buckwheat)

Raabe, E. W. (1987)
Fallopia convolvulus
  (Black-bindweed
common
archaeophyte
Wasteplaces and a weed of Arable crops
Fallopia japonica
  (Japanese Knotweed
rare
introduced
Wasteplaces Three small stems growing out of a pile of straw on the western side of Allunn. Either they were dumped with the straw or perhaps the straw was dumped to destroy the Fallopia
Persicaria amphibia
  (Amphibious Bistort
rare
native
Ponds in dune slacks Wriakhörnsee, pond near Vogelkoje NW of Nebel, behind dunes
Persicaria lapathifolia
  (Pale Persicaria
common
archaeophyte
Agricultural weed, fallow and wasteplaces
Persicaria maculosa
  (Redshank
uncommon
archaeophyte
Fallow Found several plants on one small area north-west of Nebel. Normally a common agricultural weed, but not at all common on Amrum
Polygonum aviculare
  (Knotgrass
Abundant
Arable weed, wasteplaces, sometime very close to sea
Rumex acetosa
  (Sorrel
common
native
Meadows, pasture and roadsides
Rumex acetosella
  (Sheep's Sorrel
common
native
Heath, pasture and fallow
Rumex crispus ssp. crispus
  (Curled Dock
common
native
Wasteplaces, roadsides and grassland
Rumex crispus ssp. littoreus
  (Curled Dock
common
native
Beaches and upper saltmarshes
Rumex hydrolapathum
  (Water Dock
rare
native
Banks of fresh water lake and wet dune slack Wriakhörnsee
Rumex maritimus
  (Golden Dock
rare
native
Banks of a pond Western Vogelkoje
Rumex obtusifolius
  (Broad-leaved Dock
common
native
Fallow, wasteplaces and tracksides
Rumex x pratensis (Rumex crispus x obtusifolius)*
 
uncommon
native
Wasteplaces
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Plumbaginaceae

Speciesabundance statusHabitatNotes
Armeria maritima ssp elongata
  (Thrift

native
Türk, W. (1994)
Armeria maritima ssp maritima
  (Thrift
abundant
native
Saltmarsh, meadows and roadsides
Limonium vulgare
  (Common Sea-lavender
common
native
Saltmarsh
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Clusiaceae

Speciesabundance statusHabitatNotes
Hypericum humifusum
  (Trailing St John's-wort)

Other Cited in Christiansen (1961)
Hypericum perforatum
  (Perforate St John's-wort
uncommon
Roadsides and wasteplaces
Hypericum pulchrum
  (Slender St John's-wort)

Raabe, E. W. (1987)
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Tiliaceae

Speciesabundance statusHabitatNotes
Tilia cordata*
  (Small-leaved Lime
uncommon
planted
Woodland The Bergwald projekt (www.bergwaldprojekt.de) has been planting this non-native tree on the island. They seem to think that alien deciduous trees are preferable to alien conifers
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Malvaceae

Speciesabundance statusHabitatNotes
Alcea rosea*
  (Hollyhock
uncommon
introduced
Wasteplaces Rarely more than one or two plants at any site, but it was found at several place across the island
Malva moschata*
  (Musk Mallow
uncommon
Roadsides and wasteplaces
Malva neglecta
  (Dwarf Mallow
uncommon
archaeophyte
Wasteplaces, gardens and roadsides Nebel and Norddorf
Malva sylvestris
  (Common Mallow
uncommon
archaeophyte
Fallow, pavement cracks and wasteplaces Never more than a few plants seen at one place, but seen in several places
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Droseraceae

Speciesabundance statusHabitatNotes
Drosera rotundifolia
  (Round-leaved Sundew
uncommon
native
Boggy dune slacks
Drosera intermedia
  (Oblong-leaves Sundew
rare
native
Boggy dune slacks
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Violaceae

Speciesabundance statusHabitatNotes
Viola arvensis
  (Field Pansy
rare
archaeophyte
Agricultural land Found as a weed of a maize crop
Viola canina ssp. canina
  (Heath Dog-violet
common
native
Dunes
Viola palustris ssp. palustris
  (Bog Violet
rare
native
Boggy dune slacks
Viola riviniana
  (Common Dog-violet
rare
introduced
Viola tricolor
  (Wild Pansy
abundant
native
Agricultural land, fallow and dunes
Viola x wittrockiana*
  (Garden Pansies
rare
introduced
Pavement cracks A garden escape
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Cucurbitaceae

Speciesabundance statusHabitatNotes
Bryonia dioica*
  (White Bryony
rare
native
Woodland A single plant in a woodland margin. Probably a recent colonist
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Salicaceae

Speciesabundance statusHabitatNotes
Populus tremula
  (Aspen
common
Woodland, regenerating in conifer plantations
Populus alba
  (White Poplar
common
introduced
Woodland margins and dunes Often found as a shrub and spreading by suckers to form a thicket
Populus x canescens*
  (Grey Poplar
uncommon
probably planted
Woodland
Salix alba
  (White Willow)

Other Cited in Christiansen (1961)
Salix cinerea
  (Grey Willow
common
native
Identification confirmed by R.D. Meikle (2007)
Salix aurita
  (Eared Willow
uncommon
native
Identification confirmed by R.D. Meikle (2007)
Salix daphnoides
  (European Violet-willow
rare
planted
Planted near the docks in Wittdün
Salix hastata
 

Raabe, E. W. (1987)
Salix pentandra
  (Bay Willow
rare
planted
Roadside Three trees by a roadside south of Norddorf
Salix repens
  (Creeping Willow
abundant
native
Dunes, heaths and sometimes on rough meadows and roadsides Identification confirmed by R.D. Meikle (2007)
Salix viminalis
  (Osier
rare
planted
Margins of woodlands Near sewage works at Steenodde and in Norddorf
Salix cinerea x S. repens (S. x sebsericea)*
 
rare
native
Dune slacks Identification confirmed by R.D. Meikle (2007)
Salix aurita x S. cinerea (Salix x multinervis)*
 
common
native
Dune slacks
Salix viminalis x S. repens (Salix x friesiana)*
 
rare
native
Dune slacks Identification confirmed by R.D. Meikle (2007)
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Brassicaceae

Speciesabundance statusHabitatNotes
Alliaria petiolata*
  (Garlic Mustard
common
Wasteplaces Usually within the towns
Arabidopsis thaliana
  (Thale Cress
common
Pavement cracks, roadsides and wasteplaces On seawall in Norddorf
Arabis arenosa
  (Sand Rock-cress)

introduced
Other Cited in Christiansen (1961)
Brassica rapa
  (Turnip)

Other Cited in Christiansen (1961)
Brassica nigra
  (Black Mustard)

introduced
Raabe, E. W. (1987)
Cakile maritima
  (Sea Rocket
uncommon
native
Sandy seashores and within fore dunes
Capsella bursa-pastoris
  (Shepherd's Purse
common
Pavement cracks, roadsides and wasteplaces
Cardamine flexuosa
  (Wavy Bitter Cress)

Cardamine hirsuta
  (Hairy Bitter Cress
uncommon
Wasteplaces
Cardamine pratensis
  (Lady's Smock
probably uncommon
native
On the banks of ditches Only seen once near Wittdün, but it may have been overlooked elsewhere
Cochlearia danica
  (Danish Scurvygrass
uncommon
native
Seawall
Cochlearia officinalis agg.
  (Scurvygrass
probably common
native
Saltmarsh and seawall
Coronopus squamatus
  (Swinecress)

Other Cited in Christiansen (1961)
Descurainia sophia
  (Flixweed
common
archaeophyte
Wasteplaces and fallow
Diplotaxis muralis
  (Annual Wall Rocket
uncommon
introduced
Wasteplaces
Erophila verna
  (Whitlow Grass
uncommon
native
Wasteplaces Near sewage works near Nebel and in Wittdüne, only seen twice, but it may have been overlooked elsewhere
Erysimum cheiranthoides
  (Treacle-mustard

introduced
Türk, W. (1994)
Hesperis matronalis*
  (Dame's Violet
rare
introduced
Rough grassland Found near a garden from which it is likely to have escaped
Lepidium campestre
  (Field Pepperwort
common
archaeophyte
Roadsides and wasteplaces
Lepidium draba ssp. draba
  (Hoary Cress)

introduced
Raabe, E. W. (1987)
Lepidium ruderale
  (Narrow-leaved Pepperwort
rare
casual
Bare, compacted soil used to park cars Seen at one site in western Wittdün
Lobularia maritima
  (Sea Alyssum
rare
introduced
Pavement cracks, roadsides and wasteplaces Usually within towns, often just single plants
Lunaria annua*
  (Honesty
rare
introduced
Wasteplaces Self sown near a garden in Wittdün
Raphanus raphanistrum
  (Wild Radish
uncommon
Roadsides and wasteplaces
Raphanus sativus*
  (Garden Radish
rare
introduced
Wasteplaces
Rorippa amphibia
  (Great Yellow-cress)

Raabe, E. W. (1987)
Rorippa palustris
  (Marsh Yellow-cress)

Raabe, E. W. (1987)
Rorippa sylvestris
  (Creeping Yellow-cress
rare
introduced
Earthen seawall Only one patch in Steenodde
Sinapis arvensis
  (Charlock
common
Wasteplaces, agricultural weed and tracks
Sisymbrium altissimum
  (Tall Rocket
common
introduced
Wasteplaces and fallow
Sisymbrium officinale
  (Hedge Mustard
abundant
introduced
Wasteplaces, agricultural weed, tracks and woodland margins
Subularia aquatica
  (Awlwort)

Raabe, E. W. (1987)
Teesdalia nudicaulis
  (Shepherd's cress
common
native
Fixed dunes and disturbed ground on heaths
Thlaspi arvense
  (Field Penny Cress
common
archaeophyte
Wasteplaces and fallow
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Resedaceae

Speciesabundance statusHabitatNotes
Reseda lutea
  (Wild Mignonette
rare
introduced
Wasteplaces Disturbed ground near sewage works at Nebel. Also occasional plants in Norddorf and Wittdün
Reseda luteola*
  (Dyer's Rocket
rare
casual
Wasteplaces Disturbed ground near sewage works at Nebel
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Ericaceae

Speciesabundance statusHabitatNotes
Calluna vulgaris
  (Ling
abundant
native
Heaths and dune slacks
Empetrum nigrum
  (Crowberry
abundant
native
Heaths and dune slacks Often the dominant species on heaths
Erica tetralix
  (Cross-leaved Heath
common
native
Damp areas in heaths and dune slacks
Vaccinium macrocarpon
  (American Cranberry

introduced
Cited in Türk, W. (1994)
Vaccinium oxycoccos
  (Cranberry
uncommon
native
Boggy dune slacks Found in two slacks to the north of Norddorf and in the area of the Wriakhörnsee. Never abundant
Vaccinium uliginosum
  (Bog Whortleberry
common
native
Heaths and dune slacks
Vaccinium vitis-idaea
  (Cowberry)

Probably a mistake and has never existed on Amrum (Buchenau 1887)Other Cited in Christiansen (1961)
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Pyrolaceae

Speciesabundance statusHabitatNotes
Pyrola minor
  (Common Wintergreen
common
native
Dune slacks and under Betula pendula in plantations
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Primulaceae

Speciesabundance statusHabitatNotes
Anagallis arvensis
  (Scarlet Pimpernel
uncommon
archaeophyte
Fallow fields, disturbed ground in heaths and arable weed
Anagallis minima
  (Chaffweed
rare
native
Dune slacks Synonym Centunculus minimus
Glaux maritima
  (Sea Milkwort
abundant
native
Saltmarsh
Hottonia palustris
  (Water-violet)

Other Cited in Christiansen (1961)
Lysimachia punctata*
  (Dotted Loosestrife
uncommon
introduced
Wasteplaces and roadsides Usually near houses
Trientalis europaea
  (Chickweed-wintergreen
rare
native
Heaths and dune slacks
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Grossulariaceae

Speciesabundance statusHabitatNotes
Ribes nigrum
  (Black Currant
rare
introduced
Margins of woodlands Wittdün and Norddorf
Ribes rubrum*
  (Red Currant
rare
introduced
Margins of woodlands On the Waldweg
Ribes sanguineum*
  (Flowering Current
rare
introduced
Margins of woodlands A garden escape
Ribes uva-crispa*
  (Gooseberry
rare
introduced
A garden escape
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Crassulaceae

Speciesabundance statusHabitatNotes
Sedum acre
  (Wall Pepper
common
Wasteplaces, roadsides, dunes, bare sandy soil and embankments
Sedum album*
  (White Stonecrop
rare
introduced
Wasteplaces near gardens Often seen on embankments surrounding houses, but only rarely outside gardens
Sedum telephium
  (Orpine)

Raabe, E. W. (1987)
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Saxifragaceae

Speciesabundance statusHabitatNotes
Saxifraga granulata
  (Meadow Saxifrage

Türk, W. (1994)
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Rosaceae

Speciesabundance statusHabitatNotes
Alchemilla mollis*
  (Lady's-mantle
uncommon
introduced
Embankment and woodland margins
Aphanes arvensis
  (Parsley-piert)

Other Cited in Christiansen (1961)
Aphanes australis
  (Slender Parsley-piert
uncommon
archaeophyte
Fallow fields, disturbed ground in heaths and arable weed
Cotoneaster sp.*
  (Cotoneaster
uncommon
introduced
Woodland Many small bushes and seedlings can be found in the woods on Amrum, presumably spread by birds from gardens. They are likely to become more common the future. With neither fruit nor berries these are unidentifiable to species
Crataegus monogyna
  (Hawthorn
common
planted
Woodland, hedges and margins of plantations
Crataegus laevigata
  (Midland Hawthorn

Türk, W. (1994)
Fragaria vesca
  (Wild Strawberry
rare
native
Margins of woodlands A few scattered plants at the margin of a track near Großdüne
Fragaria x ananassa*
  (Garden Strawberry
uncommon
introduced
Wasteplaces Seen in three sites about the island. Once almost on the seashore
Geum urbanum*
  (Wood Avens
rare
Roadsides
Malus sylvestris
  (Crab Apple

Potentilla anglica
  (Trailing Tormentil)

Other Cited in Christiansen (1961)
Potentilla anserina
  (Silverweed
common
native
Short turf, upper saltmarsh and wasteplaces
Potentilla argentea
  (Hoary Cinquefoil
uncommon
Wasteplaces and compacted soil on paths and tracks
Potentilla erecta
  (Common Tormentil
uncommon
native
Short turf on damp areas of heaths and dune slacks
Potentilla norvegica
  (Ternate-leaved Cinquefoil)

Raabe, E. W. (1987)
Potentilla palustris
  (Marsh Cinquefoil
uncommon
native
Dune slacks, marsh and ponds
Potentilla recta
  (Upright Cinquefoil
rare
introduced
Field margin Near windmill in Nebel, Also, one plant in Norddorf
Potentilla reptans*
  (Creeping Cinquefoil
rare
introduced
Garden weed One plant in a lawn in Norddorf
Prunus avium*
  (Wild Cherry
rare
planted
Woodland Two trees found in two different places not far from Nebel
Prunus domestica*
  (Wild Plum
rare
probably planted
Margins of woodlands One tree found next to a track in western Nebel
Prunus serotina
  (Rum Cherry
abundant
introduced
Deciduous woodland, conifer plantations, heath and fixed dunes Probably, the commonest tree on the island. This highly invasive introduction now dominates the ground underneath pine plantations
Prunus spinosa
  (Sloe
rare
Heath
Pyrus pyraster*
  (Wild Pear
rare
introduced
Trackside One mature tree north-west of Wittdün
Rosa caesia ssp. caesia
  (Hairy Dog Rose

Synonym Rosa coriifolia Türk, W. (1994)
Rosa caesia ssp. glauca
  (Glaucous Dog-rose)

Synonym Rosa vosagiaca Raabe, E. W. (1987)
Rosa canina
  (Dog Rose
common
native
Margins of woodland, field margins and roadsides
Rosa cultivar*
  (Rose
rare
introduced
Wasteplaces With other garden plants that have apparently been abandoned on some wasteground
Rosa obtusifolia*
 
rare
Fixed Dunes Near the northern end of the Norddorf seawall
Rosa pimpinellifolia
  (Burnet Rose
rare
Roadside One patch found by the side of the road in Süddorf. This species is apparently a protected species in this region though I never found in a natural setting
Rosa rubiginosa
  (Sweet Briar
rare
native
Margins of a plantation Several plants seen north-west of Nebel, by the Waldweg. Synonym Rosa eglanteria
Rosa rugosa
  (Japanese Rose
abundant
introduced
Dunes, woodland margins, roadsides and wasteplaces
Rubus caesius
  (Dewberry
common
native
Road and tracksides
Rubus idaeus
  (Raspberry
uncommon
Margins of woodlands
Rubus subgen. Rubus
  (Bramble
common
Margins of woodland, field margins and roadsides For a description of the Rubus flora of Amrum I defer to Kollmann (1998). He found the following species on the island in order of frequency; Rubus laciniatus, Rubus armeniacus, Rubus langei, Rubus plicatus, Rubus rudis, Rubus wahlbergii and Rubus slesvicensis
Sanguisorba minor ssp. muricata*
  (Salad Burnet
uncommon
introduced
Roadside Two plants found next to the main road in Süddorf. Also, in lawns near the Church in Wittdün
Sorbus aucuparia
  (Rowan
abundant
Woodland
Sorbus intermedia*
  (Swedish Whitebeam
common
Woodland
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Fabaceae

Speciesabundance statusHabitatNotes
Anthyllis vulneraria
  (Kidney Vetch
uncommon
native
Grassland, roadsides and meadows Never abundant, but several sites exist
Cytisus scoparius
  (Broom
common
native
Rough ground and field margins
Genista anglica
  (Petty Whin
uncommon
native
Heaths within dune system
Genista pilosa
  (Hairy Greenweed

Türk, W. (1994)
Genista tinctoria
  (Dyer's Greenweed
rare
native
Meadow
Lathyrus japonicus
  (Sea Pea
uncommon
native
Beaches and other sandy places by the sea Most abundant on Steenoder beach, but also in Wittdün
Lathyrus pratensis
  (Yellow Meadow Vetchling
common
native
Grassland, roadsides and meadows
Lotus corniculatus
  (Bird's-foot Trefoil
common
native
Heaths, dune slacks, short turf and meadows
Lotus glaber
  (Narrow-leaved Bird's-foot Trefoil
rare
Meadows
Lotus pedunculatus
  (Marsh Bird's-foot Trefoil
common
native
Marsh, wet dune slacks, reed beds and ditches
Lupinus angustifolius*
  (Narrow-leaved Lupin
rare
casual
Fallow At least 20 plants on one small patch of fallow land, north-west of Nebel
Lupinus x regalis*
  (Lupin
rare
Meadow One plant in Süddorf, behind School
Medicago lupulina
  (Black Medick
common
Wasteplaces, grassland and roadsides
Medicago sativa
  (Lucerne

introduced
Melilotus officinalis
  (Ribbed Melilot
rare
introduced
Wasteplaces
Ononis repens*
  (Restharrow
rare
Roadside One plant on a roadside north of Norddorf
Ononis spinosa
  (Spiny Restharrow
rare
native
upper seashore, cliff About 12 plants just south of Nebel
Ornithopus perpusillus
  (Least Bird's-foot
common
Heaths, meadows, roadsides and grassland
Robinia pseudoacacia*
  (False-acacia
uncommon
sometimes planted
Woodland Self sown in a number of places, but not abundant
Trifolium arvense
  (Hare's-foot Clover
abundant
Dunes, meadows, roadsides and tracks
Trifolium campestre
  (Hop Trefoil
uncommon
Wasteplaces and tracksides
Trifolium dubium
  (Lesser Trefoil
common
archaeophyte
Short turf and lawns
Trifolium fragiferum
  (Strawberry Clover)

Christiansen (1961)
Trifolium hybridum
  (Alsike Clover
rare
introduced
Field margin Only seen once near Allunn. Perhaps overlooked elsewhere
Trifolium incarnatum ssp. incarnatum*
  (Crimson Clover
rare
casual
Roadside Several plants found on roadside in Süddorf, possibly introduced with lawn seed
Trifolium pratense
  (Red Clover
common
Pastures, meadows and roadsides
Trifolium repens
  (White Clover
abundant
native
Short turf, lawns and meadows
Trifolium striatum
  (Knotted Clover
rare
introduced
Rough grass at side of main road in Nebel
Ulex europaeus
  (Gorse
rare
introduced
Eight bushes on wasteground near Klowenhugh and one bush at a roadside near Suddorf
Vicia cracca
  (Tufted Vetch
common
native
Wasteplaces, meadows and roadsides
Vicia hirsuta
  (Hairy Tare
uncommon
archaeophyte
Wasteplaces, meadows and roadsides
Vicia lathyroides
  (Spring Vetch

Türk, W. (1994)
Vicia sativa ssp. segetalis
  (Common Vetch
common
archaeophyte
Roadsides, wasteplaces, field margins Other subspecies may also be present
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Elaeagnaceae

Speciesabundance statusHabitatNotes
Hippophae rhamnoides*
  (Sea-buckthorn
rare
planted
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Lythraceae

Speciesabundance statusHabitatNotes
Lythrum salicaria
  (Purple Loosestrife
rare
native
Banks of fresh water lake Wriakhörnsee
Lythrum portula
  (Water Purslane
rare
native
Wet dune slacks near Wriakhörnsee
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Onagraceae

Speciesabundance statusHabitatNotes
Epilobium ciliatum*
  (American Willowherb
common
introduced
Epilobium hirsutum
  (Great Willowherb
common
Marsh, banks of ditches and damp dune slacks
Epilobium montanum
  (Broad-leaved Willowherb
common
Shady ditches, a garden weeds and woodland
Epilobium obscurum
  (Short-fruited Willowherb

Epilobium palustre
  (Marsh Willowherb
uncommon
native
Banks of fresh water lake Wriakhörnsee
Epilobium parviflorum
  (Hoary Willowherb
common
Woodland tracksides and beside ditches
Epilobium tetragonum
  (Square-stalked Willowherb
common
Epilobium x limosum (Epilobium parviflorum x montanum)
 
rare
Shady ditch One plant found in the presence of both parents
Chamerion angustifolium
  (Rosebay Willowherb
common
native
Heaths, heavily grazed pasture, road and tracksides
Circaea lutetiana
  (Enchanter's Nightshade
rare
Woodland One small patch, perhaps 5m across in a plantation north-west of Nebel. Probably, a recent colonist
Oenothera biennis
  (Common Evening Primrose
rare
introduced
The Oenothera on Amrum are often difficult to identify with certainty. Where mixed populations exist there is clear evidence of hybridization, but where individuals grow in the absence of other plants, it is difficult to ascertain the parentage with certainty.
Oenothera glazioviana
  (Large-flowered Evening Primrose
uncommon
introduced
Wasteplaces and other sites with disturbed soil
Oenothera oakesiana
  (Oakes' Evening Primrose
uncommon
introduced
Referred to as O. ammophila in FdNFI, but I believe they refer to this species
Oenothera x fallax
 
uncommon
introduced
Wasteplaces Only sometimes in the presence of O. glazioviana
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Haloragaceae

Speciesabundance statusHabitatNotes
Myriophyllum alterniflorum
  (Alternate Water-milfoil)

Other Cited in Christiansen (1961)
Myriophyllum spicatum
  (Myriophyllum spicatum

Türk, W. (1994)
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Euphorbiaceae

Speciesabundance statusHabitatNotes
Euphorbia helioscopia
  (Sun spurge
uncommon
archaeophyte
Garden weed and wasteplaces
Euphorbia peplus
  (Petty Spurge
uncommon
archaeophyte
Garden weed and wasteplaces
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Rhamnaceae

Speciesabundance statusHabitatNotes
Frangula alnus*
  (Alder Buckthorn
rare
probably planted
Margins of a pine plantation Two trees near Satteldüne, in the neighborhood of other species that may have been planted. There are also some saplings in woodland near by
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Vitaceae

Speciesabundance statusHabitatNotes
Parthenocissus quinquefolia*
 
rare
probably planted
Fixed dunes One small plant near Satteldüne, with Frangula alnus. Also in Dunes north of Norddorf
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Linaceae

Speciesabundance statusHabitatNotes
Radiola linoides
  (Allseed
rare
native
Damp dune slacks with some disturbance Found in vehicle ruts in a wet area near Wriakhörnsee. Also in sandy duneslacks behind foredunes
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Polygalaceae

Speciesabundance statusHabitatNotes
Polygala serpyllifolia
  (Heath Milkwort)

Perhaps recorded in error for Polygala vulgaris Raabe, E. W. (1987)
Polygala vulgaris ssp. vulgaris
  (Common Milkwort
uncommon
native
Heavily grazed short turf
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Hippocastanaceae

Speciesabundance statusHabitatNotes
Aesculus hippocastanum*
  (Horse Chestnut
uncommon
planted
Woodland
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Aceraceae

Speciesabundance statusHabitatNotes
Acer campestre*
  (Common Maple
uncommon
planted
Hedges
Acer platanoides*
  (Norway Maple
uncommon
Margins of woodlands
Acer pseudoplatanus
  (Sycamore
common
Woodland and as an understory in pine plantations
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Oxalidaceae

Speciesabundance statusHabitatNotes
Oxalis stricta*
  (Upright Yellow Sorrel
rare
introduced
Garden weed Seen in two gardens in Norddorf
Oxalis corniculata*
  (Yellow Sorrel
rare
introduced
Pavement cracks In Wittdün and Nebel
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Geraniaceae

Speciesabundance statusHabitatNotes
Erodium cicutarium
  (Storksbill
common
archaeophyte
Dunes, roadsides, wasteplaces and pavement cracks
Geranium dissectum*
  (Cut-leaved Crane's-bill
rare
Cracks in concrete Seawall, north-east of Norddorf
Geranium molle
  (Dove's foot Crane's-bill
common
archaeophyte
Wasteplaces, grassland and pavement cracks
Geranium pusillum
  (Small-flowered Crane's-bill

Geranium robertianum
  (Herb Robert
uncommon
Woodland margins and under hedges
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Tropaeolaceae

Speciesabundance statusHabitatNotes
Tropaeolum majus*
  (Nasturtium
rare
casual
Dumped soil A total of three plants found at two different sites
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Balsaminaceae

Speciesabundance statusHabitatNotes
Impatiens parviflora*
  (Small Yellow Balsam
rare
introduced
Margins of woodlands Near Steenodde, in one small area only
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Araliaceae

Speciesabundance statusHabitatNotes
Hedera helix
  (Ivy
uncommon
Embankments, woodland margins and hedges
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Apiaceae

Speciesabundance statusHabitatNotes
Aegopodium podagraria
  (Ground Elder
common
Garden weed, roadsides and under hedges
Aethusa cynapium
  (Fool's Parsley

Anthriscus caucalis
  (Bur Chervil

Türk, W. (1994)
Anthriscus sylvestris
  (Cow Parsley
uncommon
native
Roadsides, field margins and woodland margins
Apium graveolens
  (Wild Celery)

Apium inundatum
  (Floating Marshwort
rare
native
Pond in cattle pasture North of Norddune
Bupleurum tenuissimum
  (Slender Hare's-ear)

Raabe, E. W. (1987)
Carum carvi
  (Caraway

introduced
Türk, W. (1994)
Caucalis platycarpos
  (Small Bur-parsley)

Synonym Caucalis daucoidesOther Cited in Christiansen (1961)
Chaerophyllum temulum
  (Rough Chervil
common
Garden weed, roadsides and under hedges
Cicuta virosa
  (Cowbane)

Raabe, E. W. (1987)
Conium maculatum
  (Hemlock
uncommon
archaeophyte
Disturbed ground Seen in several places, but the largest amount was around Nebel sewage works
Coriandrum sativum
  (Coriander

casual
Türk, W. (1994)
Daucus carota
  (Wild Carrot
common
Roadsides, tracks and field margins
Eryngium maritimum
  (Sea-holly)

Raabe, E. W. (1987)
Heracleum mantegazzianum
  (Giant Hogweed
rare
introduced
Garden weed Seen growing on the earthen wall of one garden in Nebel. Potentially a invasive alien
Hydrocotyle vulgaris
  (Marsh Pennywort
uncommon
native
Damp dune slacks and marsh
Pastinaca sativa
  (Wild Parsnip
rare
Wasteground Only one plant, presumably a garden escape
Pimpinella saxifraga
  (Burnet Saxifrage
uncommon
Meadows, road and tracksides
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Aquifoliaceae

Speciesabundance statusHabitatNotes
Ilex aquifolium*
  (Holly
uncommon
Plantations Only small immature plants seen.
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Gentianaceae

Speciesabundance statusHabitatNotes
Centaurium erythraea
  (Common Centaury)

Records for this species might refers to Centaurium littorale Raabe, E. W. (1987)
Centaurium littorale
  (Sea Centaury
rare
native
Banks of fresh water lake Wriakhörnsee
Centaurium pulchellum
  (Lesser Centaury
uncommon
native
Sand hummocks in saltmarsh between foredunes and main dune system
Gentiana pneumonanthe
  (Marsh Gentian)

Türk, W. (1994)
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Solanaceae

Speciesabundance statusHabitatNotes
Datura stramonium
  (Thorn-apples
rare
Hyoscyamus niger
  (Henbane)

Raabe, E. W. (1987)
Lycium barbarum agg.
  (Duke of Argyll's Teaplant
uncommon
introduced
Hedges Always near gardens.
Lycopersicum esculentum
  (Tomato
rare
casual
Solanum dulcamara
  (Woody Nightshade
common
native
Dune slacks, woodland margins, wasteplaces and field margins
Solanum nigrum
  (Black Nightshade
uncommon
Wasteplaces and cultivated land
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Convolvulaceae

Speciesabundance statusHabitatNotes
Convolvulus arvensis
  (Lesser Bindweed
common
Roadsides, field margins and sandy grassland areas near the sea
Calystegia sepium agg.
  (Hedge Bindweed
rare
Garden weed and roadside Found in Wittdün, Norddorf and Nebel, but never very much
Calystegia soldanella
  (Sea Bindweed)

Raabe, E. W. (1987)
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Cuscutaceae

Speciesabundance statusHabitatNotes
Cuscuta epithymum
  (Dodder
rare
native
Fixed dunes, parasitic on Calluna vulgaris Over twenty plants were found over a small area This species is surprisingly rare considering that the host is so common on the island
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Menyanthaceae

Speciesabundance statusHabitatNotes
Menyanthes trifoliata
  (Bogbean)

Raabe, E. W. (1987)
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Hydrophyllaceae

Speciesabundance statusHabitatNotes
Phacelia tanacetifolia*
  (Phacelia
uncommon
casual
Field margins, fallow and wasteplaces Presumably introduced as a fallow crop, but it is unclear if it is naturalised or casual
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Boraginaceae

Speciesabundance statusHabitatNotes
Anchusa arvensis
  (Bugloss
common
archaeophyte
Agricultural weed, fallow and wasteplaces
Echium vulgare
  (Viper's Bugloss
uncommon
archaeophyte
Sandy grassland and fixed dunes Seen on several places in the south of the island
Lappula squarrosa
  (Bur Forget-me-not)

Raabe, E. W. (1987)
Myosotis arvensis
  (Field Forget-me-not
uncommon
archaeophyte
Garden weed Gardens in Nebel and Wittdün
Myosotis discolor
  (Changing Forget-me-not)

Raabe, E. W. (1987)
Myosotis laxa
  (Tufted Forget-me-not
uncommon
native
Ditches and pond margins Ponds north of Norddune and around the Wriakhörnsee
Myosotis ramosissima
  (Early Forget-me-not
rare
Eroded, bare ground along a heathland track Perhaps overlooked elsewhere
Myosotis scorpioides
  (Water Forget-me-not)

Synonym Myosotis palustris Cited in Türk, W. (1994)
Myosotis stricta
  (Strict Forget-me-not
rare
native
Dune slacks
Symphytum x uplandicum
  (Russian Comfrey)

In the Flora der Nordfriesischen inseln (Christiansen, 1961) S. asperum is recorded for Amrum. Türk (1994) does not refer directly to this, but it seems as though he assumes that Christiansen was referring to this species. Certainly, S asperum is a much rarer species. I saw one Symphytum species, but it was in too poor a condition to identify accurately Raabe, E. W. (1987)
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Lamiaceae

Speciesabundance statusHabitatNotes
Ajuga reptans*
  (Bugle
rare
Woodland margins
Galeopsis tetrahit
  (Common Hempnettle
uncommon
Wasteplaces and a garden weed
Glechoma hederacea*
  (Ground Ivy
uncommon
Damp shady ground
Lamiastrum galeobdolon ssp. argentatum*
  (Yellow Archangel
uncommon
Woodland Close to gardens from where it will have escaped
Lamium album
  (White Dead-nettle
rare
introduced
Rough grassland Around a bench in north-eastern Nebel
Lamium amplexicaule
  (Henbit
uncommon
archaeophyte
Wasteplaces and a garden weed
Lamium hybridum
  (Cut-leaved Dead-nettle)

introduced
Raabe, E. W. (1987)
Lamium confertum
  (Northern Deadnettle)

Raabe, E. W. (1987)
Lamium purpureum
  (Purple Dead-nettle
uncommon
archaeophyte
Wasteplaces and a garden weed
Lycopus europaeus
  (Gypsywort
uncommon
Margins of lake and wet dune slack Wriakhörnsee
Mentha aquatica
  (Water Mint
uncommon
native
Margins of lake
Mentha arvensis
  (Corn Mint
rare
Mentha x verticillata (M. arvensis x aquatica)
  (Whorled Mint)

Other Cited in Christiansen (1961)
Origanum vulgare*
  (Wild Marjoram
rare
introduced
Wasteplaces and roadsides Garden escapes
Prunella vulgaris
  (Self-heal
common
native
Meadows, pasture and roadsides
Clinopodium acinos
  (Basil Thyme

Türk, W. (1994)
Scutellaria galericulata
  (Skull-cap
uncommon
native
Margins of lake and wet dune slack Wriakhörnsee
Stachys palustris
  (Marsh Woundwort
rare
Field margin A few plants on east coast, between Nebel and Norddorf
Thymus serpyllum
  (Breckland Thyme
uncommon
native
Short turf, heaths, fixed dunes and roadsides
Return to top

Callitrichaceae

Speciesabundance statusHabitatNotes
Callitriche brutia
  (Pedunculate Water-starwort
uncommon
native
Ditches North of Norddorf. The Callitriche have undergone many changes in there species concepts and it is difficult to compare new and old records in this genus. C. brutia may be synonymous with the records of Callitriche hamulata
Callitriche cophocarpa
  (Water-starwort)

Christiansen (1961)
Callitriche hamulata
  (Intermediate Water-starwort

Türk, W. (1994)
Callitriche hermaphroditica
  (Autumnal Water-starwort

Türk, W. (1994)
Callitriche palustris
 

Christiansen (1961)
Callitriche stagnalis
  (Common Water-starwort
uncommon
native
Ditches and wet ruts on forest tracks Near sewage works close to Wittdün
Return to top

Plantaginaceae

Speciesabundance statusHabitatNotes
Littorella uniflora
  (Shoreweed)

Raabe, E. W. (1987)
Plantago coronopus
  (Buck's-horn Plantain
abundant
native
Short turf close to the sea, saltmarsh
Plantago arenaria
  (Branched Plantain)

introduced
Raabe, E. W. (1987)
Plantago lanceolata
  (Ribwort Plantain
abundant
native
Meadows, field margins, roadsides and wasteplaces
Plantago major ssp. major
  (Greater Plantain
common
archaeophyte
Compacted soil on tracks, paths and lawns
Plantago maritima
  (Sea Plantain
common
native
Saltmarsh
Return to top

Oleaceae

Speciesabundance statusHabitatNotes
Fraxinus excelsior*
  (Ash
uncommon
planted and self sown
Land boundaries In towns and near houses
Return to top

Scrophulariaceae

Speciesabundance statusHabitatNotes
Cymbalaria muralis
  (Ivy-leaved Toadflax
common
introduced
Walls Many plants are planted on the earthen walls, particularly sedums. However, other species do not appear to have naturalised like this species
Digitalis purpurea
  (Foxglove
uncommon
introduced
Heaths and disturbed ground in woodland All specimen are very tall and variable in flower colour. I therefore suspect that they are derived from garden escapes and are probably not native
Euphrasia micrantha
  (Eyebright)

Raabe, E. W. (1987)
Euphrasia officinalis agg.
  (Eyebright
common
native
Meadows
Euphrasia stricta
  (Eyebright
uncommon
native
Wet dune slack
Linaria vulgaris
  (Toadflax
common
archaeophyte
Fixed dunes, roadsides and heaths
Odontites vernus ssp. litoralis
  (Red Bartsia
uncommon
native
Grassland at upper saltmarsh Allunn
Odontites vernus ssp. vernus
  (Red Bartsia)

Other Cited in Christiansen (1961)
Pedicularis sylvatica
  (Lousewort
uncommon
native
Margins of lake Wriakhörnsee
Pedicularis palustris
  (Marsh Lousewort

Cited in Türk, W. (1994)
Rhinanthus angustifolius
  (Greater Yellow-rattle

Türk, W. (1994)
Rhinanthus minor
  (Hayrattle
abundant
native
Meadows and roadsides
Scrophularia nodosa
  (Common Figwort
rare
Margins of woodland tracks A few plants along cycle track west of Wittdün. One plant on Waldweg near Satteldüne
Verbascum lychnitis
  (White Mullein)

Raabe, E. W. (1987)
Verbascum nigrum*
  (Dark Mullein
rare
casual
Disturbed ground One plant near Schullandheim Bad Horn
Verbascum sp.*
  (Mullein
rare
introduced
Wasteplaces near gardens and fixed dunes At least two other species of Verbascum were seen, but the lack of flowers made them impossible to identify
Verbascum thapsus*
  (Common Mullein
rare
introduced
Wasteplaces Süddorf
Veronica arvensis
  (Wall Speedwell
uncommon
Veronica chamaedrys
  (Germander Speedwell)

Raabe, E. W. (1987)
Veronica hederifolia ssp. hederifolia
  (Ivy-leaved Speedwell

Türk, W. (1994)
Veronica officinalis
  (Heath Speedwell
common
native
Short turf, pasture, heath, woodland margins, dune slacks
Veronica persica
  (Common Field-speedwell

introduced
Türk, W. (1994)
Veronica scutellata
  (Marsh Speedwell)

Raabe, E. W. (1987)
Veronica serpyllifolia ssp. serpyllifolia*
  (Thyme-leaved Speedwell
rare
Lawn and damp tracks in woodlands
Veronica spicata
  (Spiked Speedwell
rare
introduced
Steep sandy bank Wittdün, presumably escaped from gardens
Return to top

Lentibulariaceae

Speciesabundance statusHabitatNotes
Pinguicula vulgaris
  (Common Butterwort)

introduced
Christiansen (1961)
Return to top

Campanulaceae

Speciesabundance statusHabitatNotes
Campanula rapunculoides
  (Creeping Bellflower)

Raabe, E. W. (1987)
Campanula rotundifolia
  (Harebell
common
native
Meadows
Jasione montana
  (Sheep's bit
common
native
Heaths, fixed dunes and meadows
Return to top

Rubiaceae

Speciesabundance statusHabitatNotes
Galium aparine
  (Cleavers
common
native
Gardens, wasteplaces and roadsides
Galium mollugo agg.
  (Hedge Bedstraw
uncommon
native
Meadows and roadsides
Galium palustre ssp. palustre
  (Common Marsh-bedstraw
uncommon
native
Wet dune slacks, banks of ponds and ditches
Galium saxatile
  (Heath bedstraw
uncommon
native
Heaths Synonym Galium harcynicum
Galium verum
  (Lady's bedstraw
common
native
Meadows, roadsides, heath and pasture
Galium x pomeranicum (G. mollugo x G. verum)
 
uncommon
native
Meadows and roadsides
Sherardia arvensis
  (Field Madder)

Raabe, E. W. (1987)
Return to top

Caprifoliaceae

Speciesabundance statusHabitatNotes
Linnaea borealis
  (Twinflower)

Raabe, E. W. (1987)
Lonicera periclymenum
  (Honeysuckle
common
native
Woods, plantations and scrub
Sambucus nigra
  (Elder
common
native
Hedges, dunes and woodland margins
Symphoricarpos albus
  (Snowberry
rare
introduced
Pine plantation Seen in gardens, but only once in a plantation
Return to top

Valerianaceae

Speciesabundance statusHabitatNotes
Valerianella locusta
  (Common Cornsalad

Türk, W. (1994)
Return to top

Dipsacaceae

Speciesabundance statusHabitatNotes
Dipsacus fullonum*
  (Teasel
rare
introduced
Wasteplaces Car park margin, Nebel
Knautia arvensis
  (Field Scabious
common
native
Meadows and roadsides
Succisa pratensis
  (Devil's-bit Scabious

Return to top

Asteraceae

Speciesabundance statusHabitatNotes
Achillea millefolium
  (Yarrow
abundant
native
Grassland of all kinds
Achillea ptarmica
  (Sneezewort)

Christiansen (1961)
Antennaria dioica
  (Mountain Everlasting)

Raabe, E. W. (1987)
Anthemis arvensis
  (Corn Chamomile
common
Grassland, arable crops and field margins
Anthemis cotula
  (Stinking Chamomile)

Other Cited in Christiansen (1961)
Anthemis tinctoria
  (Yellow Chamomile
rare
casual
Wasteplaces Perhaps a casual from bird seed or grass seed, but seen in two separate locations
Arctium minus
  (Lesser Burdock
uncommon
archaeophyte
Field margins and roadsides Never abundant in any one place, but seen in several places
Arnica montana
 

Raabe, E. W. (1987)
Arnoseris minima
  (Lamb's Succory

Türk, W. (1994)
Artemisia absinthium
  (Wormwood

Türk, W. (1994)
Artemisia vulgaris
  (Mugwort

archaeophyte
Aster tripolium
  (Sea Aster
common
native
Saltmarsh
Bellis perennis
  (Daisy
uncommon
native
Lawns
Bidens cernua
  (Nodding Bur-marigold
rare
Bidens tripartita
  (Trifid Bur-marigold
rare
Carduus nutans
  (Musk Thistle

Türk, W. (1994)
Centaurea cyanus
  (Cornflower
rare
archaeophyte
Wasteplaces and fallow Two plants in rough ground near farm in Norddorf
Centaurea jacea
  (Brown Knapweed)

Raabe, E. W. (1987)
Centaurea stoebe
  (Spotted Knapweed)

introduced
Raabe, E. W. (1987)
Chrysanthemum segetum
  (Corn Marigold
rare
casual
Wasteplaces Corner of Churchyard in Nebel
Cichorium intybus
  (Chicory)

Raabe, E. W. (1987)
Cirsium arvense
  (Creeping Thistle
common
Roadsides, pasture, agricultural land
Cirsium palustre
  (Marsh Thistle
uncommon
Rough grassland
Cirsium vulgare
  (Spear Thistle
uncommon
Roadsides and wasteplaces
Conyza canadensis
  (Canadian Fleabane
common
introduced
Disturbed ground, wasteplaces and agricultural land
Crepis biennis
  (Rough Hawk's-beard

Cited in Türk, W. (1994)
Crepis capillaris
  (Smooth Hawk's-beard
abundant
archaeophyte
Dunes, dry woods, heath, wasteplaces and roadsides
Crepis tectorum
  (Narrow-leaved Hawk's-beard)

Raabe, E. W. (1987)
Erigeron acer
  (Blue Fleabane)

Synonym Erigeron acris Raabe, E. W. (1987)
Filago lutescens
  (Red-tipped Cudweed)

Raabe, E. W. (1987)
Filago minima
  (Small Cudweed
common
Fixed dunes and sandy roadsides Not distributed evenly, but where it occurs it is in large numbers
Filago vulgaris
  (Cudweed
uncommon
archaeophyte
Disturbed, trodden and sandy places Only ever found in places of manmade disturbance
Galinsoga parviflora
  (Gallant Soldier
uncommon
introduced
Garden weed and pavement cracks Seen in Nebel, Norddorf and Wittdün
Galinsoga quadriradiata*
  (Shaggy Soldier
uncommon
introduced
Garden weed and pavement cracks Seen in Nebel, Norddorf and Wittdün
Gnaphalium sylvaticum
  (Heath Cudweed
uncommon
A fallow field and one plant found in a damp dune slacks
Gnaphalium uliginosum
  (Marsh Cudweed
common
Ruts in farm tracks
Hieracium umbellatum
  (Hawkweed
common
native
Heaths in dunes Never abundant in any one place, but well scattered within suitable habitat
Hypochaeris radicata
  (Cat's-ear
common
native
Grassland of all kinds
Lapsana communis
  (Nipple-wort
uncommon
archaeophyte
Wasteplaces
Leontodon autumnalis
  (Smooth Hawkbit
uncommon
native
Roadsides and short grassland
Leontodon saxatilis
  (Lesser Hawkbit)

Raabe, E. W. (1987)
Leucanthemum vulgare
  (Oxeye Daisy
uncommon
Lawns and earthen embankments surrounding gardens
Matricaria discoidea
  (Pineappleweed
common
introduced
Roadsides, tracks and parking places
Matricaria recutita
  (Scented Mayweed

Mycelis muralis
  (Wall Lettuce
uncommon
Conifer plantations
Pilosella officinarum
  (Mouse-ear Hawkweed
common
native
Embankments, short turf and heaths
Scorzonera humilis
  (Viper's grass
rare
native
Meadow
Senecio jacobaea
  (Ragwort
rare
Meadow and foredunes Surprisingly rare, but it might be specifically controlled by landowners
Senecio sylvaticus
  (Wood Groundsel
common
native
Dunes, dry woods, heath, wasteplaces and roadsides
Senecio vernalis
  (Eastern Groundsel

Türk, W. (1994)
Senecio viscosus
  (Sticky Groundsel
rare
Cracks in concrete Only found on the seawall in Norddorf
Senecio vulgaris
  (Groundsel
uncommon
Agricultural weed, wasteplaces
Seriphidium maritimum
  (Sea Wormwood
common
native
Saltmarsh
Silybum marianum*
  (Milk Thistle
rare
introduced
field margin
Solidago canadensis
  (Canadian Goldenrod

introduced
Türk, W. (1994)
Solidago gigantea*
  (Early Goldenrod
uncommon
introduced
Roadsides and wasteplaces Probably originating from dumping of garden waste
Sonchus arvensis
  (Corn Sowthistle
uncommon
Wasteplaces and foredunes
Sonchus asper
  (Prickly Sowthistle
common
archaeophyte
Wasteplaces and fallow
Sonchus oleraceus
  (Common Sowthistle
common
archaeophyte
Wasteplaces and fallow
Tagetes patula
  (French Marigold
rare
casual
Wasteplaces Four plants growing where garden waste may have been dumped. Near sewage works in Nebel
Tanacetum parthenium
  (Feverfew
rare
introduced
Side of pavement One plant found near a garden
Tanacetum vulgare
  (Tansy
common
introduced
Roadsides, field margins and wasteplaces
Taraxacum sect. Erythrosperma
  (Lesser Dandelion)

Raabe, E. W. (1987)
Taraxacum officinale agg.
  (Dandelion
common
Tragopogon pratensis
  (Goat's Beard
rare
Wasteplaces Three plants at the margin of a car park in Nebel and one plant along the Waldweg
Tripleurospermum inodorum
  (Scentless Mayweed
common
Agricultural weed, wasteplaces and field margins
Tussilago farfara
  (Colt's-foot
rare
Wasteplaces
Return to top

Alismataceae

Speciesabundance statusHabitatNotes
Alisma plantago-aquatica
  (Water-plantain)

Christiansen (1961)
Return to top

Juncaginaceae

Speciesabundance statusHabitatNotes
Triglochin maritimum
  (Sea Arrowgrass
uncommon
native
Saltmarsh
Triglochin palustre
  (Marsh Arrowgrass
uncommon
native
Upper saltmarsh
Return to top

Potamogetonaceae

Speciesabundance statusHabitatNotes
Potamogeton crispus
  (Curled Pondweed)

Raabe, E. W. (1987)
Potamogeton natans
  (Broad-leaved Pondweed
uncommon
Ditches
Potamogeton pectinatus
  (Fennel Pondweed
rare
Pond South of Nebel
Potamogeton polygonifolius
  (Bog Pondweed
common
native
Ponds in dune slacks
Potamogeton pusillus
  (Lesser Pondweed)

Raabe, E. W. (1987)
Return to top

Ruppiaceae

Speciesabundance statusHabitatNotes
Ruppia cirrhosa
  (Spiral Tasselweed)

Raabe, E. W. (1987)
Ruppia maritima
  (Beaked Tasselweed)

Raabe, E. W. (1987)
Return to top

Zannichelliaceae

Speciesabundance statusHabitatNotes
Zannichellia palustris
  (Horned Pondweed)

Raabe, E. W. (1987)
Return to top

Zosteraceae

Speciesabundance statusHabitatNotes
Zostera marina
  (Eelgrass
probably common
native
Washed up on beach
Zostera noltei
  (Dwalf Eelgrass

Türk, W. (1994)
Return to top

Araceae

Speciesabundance statusHabitatNotes
Calla palustris
  (Bog Arum

Türk, W. (1994)
Return to top

Lemnaceae

Speciesabundance statusHabitatNotes
Lemna minor
  (Lesser Duckweed
uncommon
native
Ditches
Return to top

Juncaceae

Speciesabundance statusHabitatNotes
Juncus acutiflorus
  (Sharp-flowered Rush

Juncus alpinoarticulatus ssp. atricapillus
  (Alpine Rush)

Petersen, J. (2000)
Juncus ambiguus
  (Frog Rush
uncommon
native
Dune slacks Synonym Juncus ranarius
Juncus anceps
  (Flattened Rush
uncommon
native
Dune slacks
Juncus articulatus
  (Jointed Rush
common
native
Dune slacks
Juncus bufonius
  (Toad Rush
common
native
Wasteplaces, upper saltmarsh and roadsides
Juncus bulbosus
  (Bulbous Rush
common
native
Boggy ponds in dune slacks
Juncus compressus
  (Round-fruited Rush

Türk, W. (1994)
Juncus conglomeratus
  (Compact Rush
common
native
Ditches and marshes
Juncus effusus
  (Soft-rush
common
native
Roadsides, ditches, marsh, margins of damp woodland and damp pasture
Juncus filiformis
  (Thread Rush
uncommon
Damp dune slacks
Juncus gerardii
  (Salt Mud Rush
common
native
Saltmarsh
Juncus maritimus
  (Sea Rush
uncommon
native
Saltmarsh and damp dune slacks
Juncus pygmaeus
  (Pigmy Rush
uncommon
native
Damp bare sand in dune slacks Abundant in the areas where it grows, but restricted to small areas
Juncus squarrosus
  (Heath Rush
uncommon
native
Heaths and dune slacks
Juncus tenuis
  (Slender Rush
uncommon
introduced
Damp tracks in plantations
Luzula campestris
  (Field Wood-rush

Türk, W. (1994)
Luzula multiflora
  (Many Headed Woodrush
uncommon
native
Heaths, fixed dunes and grassland
Luzula sylvatica*
  (Greater Woodrush
rare
native
Trackside Only one small patch
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Cyperaceae

Speciesabundance statusHabitatNotes
Bolboschoenus maritimus
  (Sea Club-rush
common
native
Duneslacks and saltmarsh
Blysmus rufus
  (Saltmarsh Flat-sedge)

Raabe, E. W. (1987)
Carex acuta
  (Slender Tufted-sedge
rare
native
Synonym Carex gracilis Türk, W. (1994)
Carex arenaria
  (Sand Sedge
abundant
native
Dunes and heaths
Carex curta
  (White Sedge

Türk, W. (1994)
Carex distans
  (Distant Sedge

Türk, W. (1994)
Carex echinata
  (Star Sedge)

Türk, W. (1994)
Carex extensa
  (Long-bracted Sedge
uncommon
native
Carex flacca
  (Glaucous Sedge)
uncommon
native
Raabe, E. W. (1987)
Carex hostiana
  (Tawny Sedge)

Raabe, E. W. (1987)
Carex muricata ssp. lamprocarpa
  (Prickly Sedge
common
native
Heaths Synonym Carex pairae
Carex nigra
  (Common Sedge
uncommon
native
Wet dune slack and wet meadow
Carex otrubae
  (False Fox-sedge

Carex ovalis
  (Oval Sedge
uncommon
native
Grassland and tracksides Synonym C. leporina
Carex panicea
  (Carnation Sedge

Türk, W. (1994)
Carex pilulifera
  (Pill Sedge
uncommon
native
Heaths and forest tracks
Carex pseudocyperus
  (Cyperus Sedge
rare
native
Ditches and wet dune slacks
Carex trinervis
  (Three-nerved Sedge)

Raabe, E. W. (1987)
Carex x turfosa (C. elata x C. nigra)
 

Other Cited in Christiansen (1961)
Carex viridula ssp. viridula
  (Yellow Sedge
uncommon
native
Wet dune slacks Synonyms C. oederi or C serotina
Eleocharis acicularis
  (Needle Spike-rush

Cited in Türk, W. (1994)
Eleocharis multicaulis
  (Many-stalked Spike-rush)

Raabe, E. W. (1987)
Eleocharis palustris
  (Common Spike-rush
common
native
Wet dune slacks
Eleocharis quinqueflora
  (Few-flowerd Spike-rush

Türk, W. (1994)
Eleocharis uniglumis
  (Slender Spike-rush
uncommon
native
Wet dune slacks
Eleogiton fluitans
  (Floating Club-rush
rare
native
Pond in dune slack
Eriophorum angustifolium
  (Common Cottongrass
uncommon
native
Wet, boggy dune slacks
Rhynchospora alba
  (White Beak-sedge)

Christiansen (1961)
Rhynchospora fusca
  (Brown Beak-sedge)

Raabe, E. W. (1987)
Schoenoplectus tabernaemontani
  (Grey Club-rush
rare
native
Wet dune slack One patch, perhaps 3m in circumference
Schoenoplectus triqueter
  (Triangular Club-rush)

Christiansen (1961)
Trichophorum cespitosum ssp. germanicum
  (Deergrass
rare
native
Wet dune slack
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Poaceae

Speciesabundance statusHabitatNotes
Agrostis canina
  (Velvet Bent)

Türk, W. (1994)
Agrostis capillaris
  (Common Bent
abundant
native
Grassland of all kinds
Agrostis gigantea
  (Black Bent)

Raabe, E. W. (1987)
Agrostis stolonifera ssp. maritima
  (Creeping Bent
common
native
Saltmarsh and dune slacks
Agrostis stolonifera ssp. stolonifera
  (Creeping Bent
common
native
Meadows, saltmarsh and dune slacks
Agrostis vinealis
  (Brown Bent
uncommon
native
Dunes Synonym Agrostis stricta
Aira caryophyllea
  (Silver Hair-grass
common
native
Dunes, dry grassland and disturbed ground
Aira praecox
  (Early Hair-grass
common
native
Dunes, dry grassland and disturbed ground
Alopecurus geniculatus
  (Marsh Foxtail
uncommon
native
Pond margins in cattle pastures and upper saltmarsh
Alopecurus myosuroides
  (Black-grass

Türk, W. (1994)
Alopecurus pratensis
  (Meadow Foxtail
uncommon
native
Damp, ungrazed grassland West of Wittdün
Ammophila arenaria
  (Marram Grass
abundant
native
Dunes
X Calammophila baltica
  (Purple Marram
uncommon
native
Dunes
Anisantha sterilis
  (Barren Brome
uncommon
Margins of a carpark, wasteplaces and seawall Near the Nordseehalle, Wittdün, seawall in Norddorf
Anisantha tectorum
  (Drooping Brome)

Raabe, E. W. (1987)
Anthoxanthum aristatum
  (Annual Vernal Grass)

introduced
Anthoxanthum odoratum
  (Scented Vernal Grass
abundant
native
Dunes, woodland, heaths, roadsides and meadows
Apera spica-venti
  (Loose Silky Bent
uncommon
archaeophyte
Wasteplaces
Arrhenatherum elatius
  (Oat Grass
common
native
Roadsides and rough grassland
Avena fatua
  (Wild-oat

Türk, W. (1994)
Brachypodium pinnatum
  (Tor-grass

Türk, W. (1994)
Bromopsis erecta
  (Upright Brome
rare
introduced
Earthen wall on a stone wall near harbour in Wittdün
Bromopsis inermis ssp inermis
  (Hungarian Brome
uncommon
introduced
Roadsides Seen twice, but forming extensive patches were it grows. Both sites are on the outskirts of Nebel
Bromus hordeaceus
  (Soft-brome
abundant
native
Wasteplaces, meadows and roadsides
Bromus secalinus
  (Rye Brome)

Raabe, E. W. (1987)
Calamagrostis canescens
  (Purple Small-reed
rare
Swamp
Calamagrostis epigejos
  (Wood Small-reed
uncommon
Margins of woodlands and heathland Particularly along side the Waldweg
Catabrosa aquatica
  (Whorl-grass)

Raabe, E. W. (1987)
Corynephorus canescens
  (Grey Hair-grass
abundant
native
Hind dunes
Cynosurus cristatus
  (Crested Dog's-tail
common
native
Meadows, pasture and roadsides
Dactylis glomerata
  (Cocksfoot
common
native
Roadsides, field margins, wasteplaces, gardens and meadows
Danthonia decumbens
  (Heath-grass
uncommon
native
Heaths and tracksides in woodland
Deschampsia cespitosa
  (Tufted Hair-grass

Türk, W. (1994)
Deschampsia flexuosa
  (Wavy Hair Grass
abundant
native
Dunes, woodland, heaths, roadsides and meadows Synonym Avenella flexuosa
Deschampsia setacea
  (Bog Hair-grass)

Raabe, E. W. (1987)
Digitaria ischaemum
  (Smooth Finger-grass)

Raabe, E. W. (1987)
Echinochloa crus-galli
  (Cockspur

Elytrigia atherica
  (Sea Couch
common
native
Saltmarsh, transitional area between saltmarsh and dune Some clumps have long awns while others do not
Elytrigia juncea
  (Sand Couch
abundant
native
Foredunes Mainly on the western shore of the island
Elytrigia repens ssp. maritima
 

Türk, W. (1994)
Elytrigia repens ssp. repens
  (Common Couch
common
native
Roadsides, rough grassland, embankments, wasteplaces and saltmarsh Awned and unawned plants are present
Elytrigia x obtusiuscula
  (Hybrid Sand Couch
common
native
Saltmarsh, transitional area between saltmarsh and dune
Festuca arenaria
  (Rush-leaved Fescue
common
native
Sand dunes
Festuca arundinacea
  (Tall Fescue
rare
Trackside Near Wittdün
Festuca filiformis
  (Fine-leaved Sheep's-fescue
uncommon
native
Short turf
Festuca ovina
  (Sheep's fescue
common
native
Short turf on heaths and pasture
Festuca pratensis
  (Meadow fescue
uncommon
Meadows
Festuca rubra ssp. litoralis
  (Red fescue
common
native
Saltmarsh
Festuca rubra ssp.rubra
  (Red fescue
abundant
native
Meadows, roadsides, pasture and upper saltmarsh
Glyceria fluitans
  (Floating Sweet-grass
rare
native
Ditches North of Norddorf
Helictotrichon pratense
  (Meadow Oat-grass

Türk, W. (1994)
Holcus lanatus
  (Yorkshire Fog
abundant
native
Dunes, woodland, heaths, roadsides and meadows
Holcus mollis
  (Creeping soft-grass
common
native
Wasteplaces and a weed of arable crops
Hordeum jubatum
  (Foxtail Barley)

introduced
Raabe, E. W. (1987)
Hordeum murinum
  (Wall Barley
uncommon
Pavement cracks
Hordeum secalinum
  (Meadow Barley
uncommon
Grassland at upper limits of saltmarsh Only one site at Allunn
Koeleria albescens
  (Crested Hair-grass

Türk, W. (1994)
Leymus arenarius
  (Lyme-grass
common
native
Beaches Seen on the eastern coast, but may also exists scattered on the western coast
Lolium multiflorum
 

introduced
Türk, W. (1994)
Lolium perenne
  (Perennial Rye-grass
abundant
native
Pastures, roadsides and lawns Also sown as a crop
Molinia caerulea
  (Purple Moor-grass
common
native
Tracksides in woods and plantation, under birch woods and on heaths
Nardus stricta
  (Mat Grass
uncommon
native
Damp ground next to track
Panicum miliaceum*
  (Common Millet
rare
introduced
Wasteplace Growing on the waste from a stable
Parapholis strigosa
  (Curved Sea Hard-grass
uncommon
native
Saltmarsh behind foredunes
Phalaris canariensis*
  (Canary-grass
rare
introduced
Wasteplaces Growing on the waste from a stable
Phleum pratense agg.
  (Cat's-tail
abundant
native
Meadows, pasture and roadsides Some spikes seemed to fit within the range a characters of P. bertolonii
Phragmites australis
  (Common Reed
abundant
native
Ditches, marsh and upper saltmarsh
Poa angustifolia
  (Narrow-leaved Meadow Grass

Türk, W. (1994)
Poa annua
  (Annual Meadow Grass
common
native
Short grassland, disturbed ground and agricultural land
Poa compressa
  (Flattened Meadow-grass
rare
Found in a flower bed of a private garden in Nebel
Poa humilis
  (Spreading Meadow-grass
common
native
Dunes, heaths, roadsides, meadows and wasteplaces Türk (1994) refers to Poa pratensis ssp. angustifolia. These species are quite similar and further investigation is required to determine if both are present
Poa nemoralis
  (Woodland Meadow Grass
probably common
native
Margins of woodlands
Poa pratensis sens.str.
  (Meadow Grass
rare
native
Damp grassland
Poa trivialis
  (Rough Meadow Grass
uncommon
native
Margins of woodlands
Puccinellia distans
  (Reflexed Salt-marsh Grass

Türk, W. (1994)
Puccinellia maritima
  (Common Salt-marsh Grass
common
native
Saltmarsh
Setaria viridis
  (Green Bristle-grass
rare
introduced
Wasteplaces
Spartina anglica
  (Common Cord-grass
common
introduced
Lower saltmarsh
Trisetum flavescens
  (Yellow Oat-grass

Türk, W. (1994)
Vulpia bromoides
  (Squirreltail Fescue
rare
casual
Margins of a carpark The car park of a house west of Nebel
Vulpia myuros
  (Rat's-tail Fescue
rare
introduced
Margins of a carpark Near the minigolf in Norddorf
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Sparganiaceae

Speciesabundance statusHabitatNotes
Sparganium emersum
  (Unbranched Bur-reed)

Raabe, E. W. (1987)
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Typhaceae

Speciesabundance statusHabitatNotes
Typha angustifolia
  (Lesser Bulrush
rare
Ditches and wet dune slacks
Typha latifolia
  (Bulrush
rare
Ditches and wet dune slacks
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Liliaceae

Speciesabundance statusHabitatNotes
Allium vineale*
  (Crow Garlic
rare
Garden weed Seen only in a rose bed in Nebel
Asparagus officinalis ssp. officinalis*
  (Asparagus
uncommon
introduced
Garden weed Abundant in the garden of the Nordseehalle in Wittdün
Convallaria majalis*
  (Lily of the Valley
uncommon
introduced
Deciduous woodland Only two patches found of this plant, both perhaps 3m in diameter,
Maianthemum bifolium
  (May Lily
rare
Under conifer trees within the boundaries of a private house Possibly planted
Narthecium ossifragum
  (Bog Asphodel
uncommon
native
Marsh Between Wittdün and Steenodde
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Iridaceae

Speciesabundance statusHabitatNotes
Iris pseudacorus
  (Yellow Iris
rare
native
Wet duneslacks
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Orchidaceae

Speciesabundance statusHabitatNotes
Dactylorhiza maculata
  (Heath Spotted-Orchid

Türk, W. (1994)
Dactylorhiza majalis agg.
  (Western Marsh-orchid

Türk, W. (1994)
Epipactis helleborine*
  (Broad Helleborine
rare
Pine plantation Only one plant found in one year and not refound subsequently
Goodyera repens
  (Creeping Lady's-tresses)

Raabe, E. W. (1987)
Hammarbya paludosa
  (Bog Orchid
rare
native
Boggy dune slacks
Listera cordata
  (Lesser Twayblade)

Christiansen (1961)
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