Plants
editEndangered plants
edit- bog clubmoss, Lycopodiella inundata
- netted chainfern, netted chain fern, Woodwardia areolata
- yellow harlequin, Corydalis flavula
- spring avens, Geum vernum
- frost grape, winter grape, fox grape, Vitis vulpina
- tall thistle, Cirsium altissimum
- purple everlasting, Gnaphalium purpureum ⇒ Gamochaeta purpurea
- 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
edit- 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, perennial saltmarsh aster, Aster tenuifolius ⇒ Symphyotrichum tenuifolium (Aster+tenuifolius at The Plant List)
- 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
edit- 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 ⇒ Ceratophyllum demersum
- dittany, Cunila 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
Birds
editThere are 311 species of birds in Westchester County, as documented by the Parks Department.
Endangered birds
edit- peregrine falcon Falco peregrinus
- loggerhead shrike Lanius ludovicianus
- least bittern Ixobrychus exilis
- bald eagle Haliaeetus leucocephalus
- king rail Rallus elegans
- common tern Sterna hirundo
- Henslow’s sparrow Ammodramus henslowii
- osprey Pandion haliaetus
- Cooper’s hawk Accipiter cooperii
- northern goshawk Accipiter gentilis
- red-shouldered hawk Buteo lineatus
- golden-winged warbler Vermivora chrysoptera
- cerulean warbler Dendroica cerulea
- vesper sparrow Pooecetes gramineus
- grasshopper sparrow Ammodramus savannarum
- seaside sparrow Ammodramus maritimus
- Savannah sparrow Passerculus sandwichensis
- Kentucky warbler Oporornis formosus
Threatened birds
edit- yellow-breasted chat Icteria virens
- common barn owl Tyto alba
- common raven Corvus corax
- American woodcock Scolopax minor
- saltmarsh sharp-tailed sparrow Ammospiza caudacuta
- eastern meadowlark Sturnella magna
- bobolink Dolichonyx oryzivorus
Special Concern birds
editMammals
editThere are 33 species of mammals in Westchester County.
Special Concern mammals
edit- river otter, Lutra canadensis
- bobcat Lynx rufus
Reptiles
editThere are 19 species of reptiles in Westchester County.
Endangered reptiles
edit- bog turtle, Clemmys muhlenbergi
- wood turtle, Clemmys insculpta
- timber rattlesnake, Crotalus horridus
Threatened reptiles
edit- spotted turtle, Clemmys guttata
- eastern box turtle, Terrapene carolina
- northern fence lizard, Sceloporus undulatus
- eastern ribbon snake, Thamnophis sauritus