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Biodiversity of Westchester County, New York : ウィキペディア英語版 | Biodiversity of Westchester County, New York
==Plants== There are 1,168 species of vascular plants in Westchester County, according to the Parks Department. Literary environmental writer Alex Shoumatoff hailed it as the "most richly diversified deciduous forest in the world" in a 1978 ''The New Yorker'' profile, at the time estimating 4,200 species. Endangered plants: *Bog clubmoss ''Lycopodiella inundata'' *Netted chain fern ''Woodwardia areolata'' *Yellow harlequin ''Corydalis flavula'' *Spring avens ''Geum vernum'' *Winter grape ''Vitis vulpina'' *Tall thistle ''Cirsium altissimum'' *Purple everlasting ''Gnaphalium purpureum'' *Stiff-leaf goldenrod ''Solidago rigida'' *Bicknell’s sedge ''Carex bicknellii'' *Soft fox sedge ''Carex conjuncta'' *Cat-tail sedge ''Carex typhina'' *Long-beaked bald rush ''Rhynchospora scirpoides'' *Large twayblade ''Liparis lilifolia'' Threatened plants:〔 *Purple milkweed ''Asclepias purpurascens'' *Swamp cottonwood ''Populus heterophylla'' *Rattlebox ''Crotalaria sagittalis'' *Swamp agrimony ''Agrimonia parviflora'' *Featherfoil ''Hottonia inflata'' *Slender pinweed ''Lechea tenuifolia'' *Shrubby St. Johnswort ''Hypericum prolificum'' *Mudwort ''Limosella australis'' *Winged monkeyflower ''Mimulus alatus'' *Slender saltmarsh aster ''Aster tenuifolius'' *Spongy arrowhead ''Sagittaria montevidensis spongiosa'' *Strap-leaf arrowhead ''Sagittaria subulata'' *Spotted pondweed ''Potamogeton pulcher'' *Angled spikerush ''Eleocharis quadrangulata'' *Lesser bladderwort ''Utricularia minor'' *Yellow lady slipper ''Cypripedium parviflorum'' Special concern plants:〔 *Walking fern ''Asplenium rhizophyllum'' *Purple cliffbrake ''Pellaea atropurpurea'' *Eastern prickly pear ''Opuntia humifusa'' *Trailing arbutus ''Epigaea repens'' *Grass-of-Parnassus ''Parnassia glauca'' *Pitcher plant ''Sarracenia purpurea'' *Four-leaf milkweed ''Asclepias quadrifolia'' *River birch ''Betula nigra'' *Striped maple ''Acer pensylvanicum'' *American holly ''Ilex opaca'' *Prickly hornwort ''Ceratophyllum echinatum'' *Dittany ''Cunilla origanoides'' *Stiff yellow flax ''Linum striatum'' *Wild pink ''Silene caroliniana'' *Blunt mountain mint ''Pycnanthemum muticum'' *Small floating bladderwort ''Utricularia radiata'' *Large yellow-eyed grass ''Xyris smalliana'' *Showy orchis ''Galearis spectabilis''
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Biodiversity of Westchester County, New York」の詳細全文を読む
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