DEEP: Endangered, Threatened & Special Concern Plants

Endangered, Threatened & Special Concern Plants

E Balsam fir (native populations only) Abies balsamea
SC Virginia copperleaf Acalypha virginica
E Sandplain gerardia+ Agalinis acuta
E Yellow giant hyssop Agastache nepetoides
E Purple giant hyssop Agastache scrophulariifolia
E Small white snakeroot Ageratina aromatica
T Orange foxtail Alopecurus aequalis
SC Sea-beach amaranth*^ Amaranthus pumilus
T Bog rosemary Andromeda polifolia var. glaucophylla
T Canada anemone Anemone canadensis
E Sea-coast angelica Angelica lucida
SC Hairy angelica* Angelica venenosa
SC Field pussytoes* Antennaria howellii ssp. petaloidea
SC Puttyroot* Aplectrum hyemale
E Dwarf mistletoe Arceuthobium pusillum
SC Arethusa* Arethusa bulbosa
SC Needlegrass Aristida longespica
SC Arrowfeather Aristida purpurascens
E Beach needle grass Aristida tuberculosa
SC Virginia snakeroot Aristolochia serpentaria
SC Purple milkweed Asclepias purpurascens
SC White milkweed* Asclepias variegata
E Green milkweed Asclepias viridiflora
SC Mountain spleenwort Asplenium montanum
T Wallrue spleenwort Asplenium ruta-muraria
SC Orache Atriplex glabriuscula
SC Swamp birch Betula pumila
T Water-marigold Bidens beckii
T Eaton's beggars-tick Bidens eatonii
SC Downy wood-mint* Blephilia ciliata
SC Hairy woodmint* Blephilia hirsuta
SC Bayonet grass Bolboschoenus maritimus ssp. paludosus
SC Salt marsh bulrush Bolboschoenus novae-angliae
SC Little grape fern* Botrychium simplex
E Side-oats grama-grass Bouteloua curtipendula
SC Reed bentgrass Calamagrostis stricta ssp. inexpansa
SC Low bindweed* Calystegia spithamaea
SC Purple cress Cardamine douglassii
SC Summer sedge Carex aestivalis
E Broadwing sedge Carex alata
T Foxtail sedge Carex alopecoidea
SC Sedge Carex aquatilis var. aquatilis
E Sedge Carex backii
E Barratt's sedge Carex barrattii
SC Sedge Carex bushii
E Brown bog sedge Carex buxbaumii
E Chestnut-colored sedge Carex castanea
SC Collins sedge* Carex collinsii
T Crawe's sedge Carex crawei
SC Crawford sedge* Carex crawfordii
T Clustered sedge Carex cumulata
T Davis' sedge Carex davisii
E Sedge Carex exilis
SC Bronze sedge* Carex foenea
SC Handsome sedge Carex formosa
SC Hitchcock's sedge Carex hitchcockiana
T Sedge Carex limosa
E Sedge Carex magellanica
SC Troublesome sedge Carex molesta
SC Black-edge sedge* Carex nigromarginata
SC New England sedge Carex novae-angliae
SC Eastern few-fruited sedge Carex oligocarpa
SC Few-seeded sedge* Carex oligosperma
SC Few-flowered sedge* Carex pauciflora
E Variable sedge Carex polymorpha
SC Prairie sedge Carex prairea
E Cyprus-like sedge Carex pseudocyperus
E Schweinitz's sedge Carex schweinitzii
SC Sedge Carex squarrosa
SC Dioecious sedge Carex sterilis
SC Sedge Carex trichocarpa
SC Tuckerman's sedge Carex tuckermanii
SC Sedge Carex typhina
E Little green sedge Carex viridula
E Willdenow's sedge Carex willdenowii
T Indian paintbrush Castilleja coccinea
SC Eastern redbud (native populations only)* Cercis canadensis
E Devil's-bit Chamaelirium luteum
E Hairy lip-fern Cheilanthes lanosa
SC Coast blite* Chenopodium rubrum
E Yellow thistle Cirsium horridulum
E Long-bracted green orchid Coeloglossum viride
SC Early coral root Corallorhiza trifida
T Yellow corydalis Corydalis flavula
E Pygmyweed Crassula aquatica
SC Elliptical rushfoil* Croton willdenowii
E Slender cliff-brake Cryptogramma stelleri
SC Blue waxweed* Cuphea viscosissima
SC Hazel dodder* Cuscuta coryli
SC Wild comfrey* Cynoglossum virginianum
SC Ram's-head lady's-slipper* Cypripedium arietinum
SC Yellow lady's-slipper Cypripedium parviflorum
E Showy lady's-slipper Cypripedium reginae
E Dew-drop Dalibarda repens
SC Tufted hairgrass Deschampsia caespitosa
E Large-bracted tick-trefoil Desmodium cuspidatum
SC Dillenius' tick-trefoil Desmodium glabellum
E Trailing tick-trefoil Desmodium humifusum
SC Sessile-leaf tick-trefoil* Desmodium sessilifolium
SC Squirrel corn Dicentra canadensis
SC Panic grass Dichanthelium ovale var. addisonii
E Panic grass Dichanthelium scabriusculum
SC Panic grass* Dichanthelium sphaerocarpon var. isophyllum
SC Panic grass* Dichanthelium xanthophysum
SC Persimmon Diospyros virginiana
E Narrow-leaved glade fern Diplazium pycnocarpon
SC Whitlow-grass Draba reptans
SC Thread-leaf sundew* Drosera filiformis
E Mountain wood-fern Dryopteris campyloptera
SC Goldie's fern Dryopteris goldiana
E Bur-head Echinodorus tenellus
E Horse-tail spike-rush Eleocharis equisetoides
SC Spike-rush* Eleocharis microcarpa var. filiculmis
E Spike-rush Eleocharis quadrangulata var. crassior
SC Wiegand's wild rye Elymus wiegandii
SC Marsh horsetail* Equisetum palustre
E Meadow horsetail Equisetum pratense
E Dwarf scouring rush Equisetum scirpoides
E Parker's pipewort Eriocaulon parkeri
T Hare's tail Eriophorum vaginatum var. spissum
E White thoroughwort Eupatorium album
E Rough aster Eurybia radula
T Showy aster Eurybia spectabilis
SC Hervey's aster Eurybia X herveyi
E False mermaid-weed Floerkea proserpinacoides
E Bog bedstraw Galium labradoricum
SC Purple cudweed* Gamochaeta purpurea
SC Creeping snowberry Gaultheria hispidula
T Dwarf huckleberry Gaylussacia dumosa var. bigeloviana
E Stiff gentian Gentianella quinquefolia
SC Bicknell's northern crane's-bill* Geranium bicknellii
SC Dwarf rattlesnake plantain* Goodyera repens var. ophioides
E Sweet-scented Indian-plantain Hasteola suaveolens
SC Bush rockrose* Helianthemum dumosum
T Low frostweed Helianthemum propinquum
SC Sharp-lobed hepatica Hepatica nobilis var. acuta
SC Kidneyleaf mud-plantain* Heteranthera reniformis
SC Seabeach sandwort Honckenya peploides
SC Featherfoil Hottonia inflata
T Longleaf bluet Houstonia longifolia
E Golden-heather Hudsonia ericoides
T False beach-heather Hudsonia tomentosa
SC Fir clubmoss* Huperzia selago
SC Green violet* Hybanthus concolor
E Golden seal Hydrastis canadensis
E Water pennywort Hydrocotyle umbellata
E Whorled pennywort Hydrocotyle verticillata
SC Virginia waterleaf Hydrophyllum virginianum
SC Creeping St. John's-wort* Hypericum adpressum
SC Great St. John's-wort Hypericum ascyron
T Inkberry (native populations only) Ilex glabra
E Small whorled pogonia^ Isotria medeoloides
SC Weak rush* Juncus debilis
SC Two-flowered cynthia Krigia biflora
E Carolina redroot (native populations only) Lachnanthes caroliana
E Saltpond grass Leptochloa fusca ssp. fascicularis
SC Creeping bush-clover Lespedeza repens
SC Blazing star Liatris scariosa var. novae-angliae
E Scotch lovage Ligusticum scothicum
SC Lilaeopsis Lilaeopsis chinensis
SC Mudwort Limosella australis
E Twinflower Linnaea borealis ssp. americana
SC Sandplain flax* Linum intercursum
E Yellow flax Linum sulcatum
E Lily-leaved twayblade Liparis liliifolia
T Dwarf bulrush Lipocarpha micrantha
SC Sweet gum (native populations only) Liquidambar styraciflua
SC Many-fruited false-loosestrife* Ludwigia polycarpa
E Globe-fruited false-loosestrife Ludwigia sphaerocarpa
E Foxtail clubmoss Lycopodiella alopecuroides
SC Clasping-leaved water-horehound Lycopus amplectens
SC Climbing fern Lygodium palmatum
SC Stagger-bush* Lyonia mariana
E Winged loosestrife Lythrum alatum
T Three-leaved false Solomon's-seal Maianthemum trifolium
E Bayard's white adder's mouth Malaxis bayardii
E White adder's-mouth Malaxis brachypoda
E Green adder's-mouth Malaxis unifolia
E Tall millet-grass Milium effusum
T Mountain sandwort Minuartia glabra
SC Naked miterwort Mitella nuda
E Large-leaved sandwort Moehringia macrophylla
E One-flower wintergreen Moneses uniflora
E Red mulberry Morus rubra
E Long-awn hairgrass Muhlenbergia capillaris
E Slender water-milfoil Myriophyllum alterniflorum
E Cutleaf water-milfoil Myriophyllum pinnatum
T Northern water-milfoil Myriophyllum sibiricum
SC Large yellow pond lily* Nuphar advena
SC Small yellow pond lily Nuphar microphylla
E Bog aster Oclemena nemoralis
E Blake's aster Oclemena X blakei
SC Sundrops* Oenothera fruticosa
E Prairie goldenrod Oligoneuron album
E Stiff goldenrod Oligoneuron rigidum
E Gravel-weed Onosmodium virginianum
T Adder's-tongue Ophioglossum pusillum
SC Eastern prickly pear Opuntia humifusa
SC Golden club Orontium aquaticum
SC One-sided pyrola* Orthilia secunda
SC Violet wood-sorrel Oxalis violacea
T Ragwort Packera paupercula
SC American ginseng Panax quinquefolius
T Panic grass Panicum amarum
SC Tall flat panic-grass* Panicum rigidulum var. elongatum
SC Warty panic grass* Panicum verrucosum
SC Hairy forked chickweed* Paronychia fastigiata
E Field paspalum Paspalum laeve
SC Bead grass* Paspalum setaceum
T Swamp lousewort Pedicularis lanceolata
E Smooth cliff-brake Pellaea glabella
T Sweet coltsfoot Petasites frigidus var. palmatus
SC Wild kidney bean* Phaseolus polystachios var. polystachios
E Red pine (native populations only) Pinus resinosa
E Slender mountain ricegrass Piptatherum pungens
E Sickle-leaved golden aster Pityopsis falcata
SC Hoary plantain Plantago virginica
E White-fringed orchid Platanthera blephariglottis
T Yellow-fringed orchid Platanthera ciliaris
SC Tall white bog orchid* Platanthera dilatata
SC Pale green orchid Platanthera flava var. herbiola
SC Hooker's orchid* Platanthera hookeri
SC Large round-leaved orchid* Platanthera orbiculata
SC Threadfoot Podostemum ceratophyllum
SC Clammy-weed* Polanisia dodecandra
E Field milkwort Polygala cruciata
E Nuttall's milkwort Polygala nuttallii
E Seneca snakeroot Polygala senega
SC Seabeach knotweed* Polygonum glaucum
E Small-flowered leafcup Polymnia canadensis
T Swamp cottonwood Populus heterophylla
E Pondweed Potamogeton confervoides
E Fries' pondweed Potamogeton friesii
E Hill's pondweed Potamogeton hillii
E Ogden's pondweed Potamogeton ogdenii
T Capillary pondweed Potamogeton pusillus ssp. gemmiparus
E Straight-leaved pondweed Potamogeton strictifolius
T Vasey's pondweed Potamogeton vaseyi
SC Tall cinquefoil Potentilla arguta
SC Alleghany plum* Prunus alleghaniensis
SC Grave's beach plum* Prunus maritima var. gravesii
SC Goose grass* Puccinellia tenella ssp. alaskana
E Basil mountain-mint Pycnanthemum clinopodioides
E Torrey mountain-mint Pycnanthemum torrei
SC Bur oak Quercus macrocarpa
E Water-plantain spearwort Ranunculus ambigens
E Seaside crowfoot Ranunculus cymbalaria
SC Creeping spearwort* Ranunculus flammula var. filiformis
SC White water-crowfoot Ranunculus longirostris
SC Bristly buttercup* Ranunculus pensylvanicus
T Labrador tea Rhododendron groenlandicum
SC Fragrant sumac (native populations only)* Rhus aromatica
E Capillary beak-rush Rhynchospora capillacea
T Beaked rush Rhynchospora macrostachya
E Long-beaked bald rush Rhynchospora scirpoides
SC Skunk currant Ribes glandulosum
SC Swamp black currant* Ribes lacustre
SC Wild currant Ribes rotundifolium
E Swamp red currant Ribes triste
SC Shining rose Rosa nitida
T Toothcup Rotala ramosior
SC Sand bramble Rubus cuneifolius
SC Sea-side dock* Rumex maritimus
SC Large marsh pink* Sabatia dodecandra
E Marsh pink Sabatia stellaris
E Waputo Sagittaria cuneata
SC Arrowleaf Sagittaria subulata
T Sandbar willow Salix exigua
E Bog willow Salix pedicellaris
SC Slender willow Salix petiolaris
SC Autumn willow Salix serissima
E Lizard's tail Saururus cernuus
E Pod grass Scheuchzeria palustris ssp. americana
SC Purple oat Schizachne purpurascens
T Hard-stemmed bulrush Schoenoplectus acutus
T Torrey bulrush Schoenoplectus torreyi
SC Chaffseed*+ Schwalbea americana
SC Georgia bulrush Scirpus georgianus
SC Long's bulrush* Scirpus longii
E Few-flowered nutrush Scleria pauciflora var. caroliniana
E Reticulated nutrush Scleria reticularis
E Nutrush Scleria triglomerata
SC Low nutrush* Scleria verticillata
E Hyssop skullcap Scutellaria integrifolia
E Small skullcap Scutellaria parvula var. missouriensis
SC Wild senna Senna hebecarpa
T Three-toothed cinquefoil Sibbaldiopsis tridentata
T Starry champion Silene stellata
SC Bristly greenbriar* Smilax hispida
SC Elliott's goldenrod Solidago latissimifolia
SC Early wrinkle-leaved goldenrod* Solidago rugosa var. sphagnophila
E Floating bur-reed Sparganium fluctuans
E Small bur-reed Sparganium natans
T Canada sand-spurry Spergularia canadensis
SC Little ladies'-tresses Spiranthes tuberosa var. grayi
E Rough dropseed Sporobolus clandestinus
T Sand dropseed Sporobolus cryptandrus
E Northern dropseed Sporobolus heterolepis
E Small dropseed Sporobolus neglectus
E Hyssop-leaf hedge-nettle Stachys hyssopifolia
SC Smooth hedge-nettle Stachys tenuifolia
SC Northern stitchwort Stellaria borealis
T White mandarin Streptopus amplexifolius
SC Crooked-stem aster* Symphyotrichum prenanthoides
E Yellow pimpernel Taenidia integerrima
T Northern white cedar (native populations only) Thuja occidentalis
SC Appalachian gametophyte Trichomanes intricatum
SC Cotton bulrush* Trichophorum alpinum
E False pennyroyal Trichostema brachiatum
E Narrow-leaved horse gentian Triosteum angustifolium
E Nodding pogonia Triphora trianthophora
SC Spiked false oats Trisetum spicatum
T Spreading globe flower Trollius laxus
E Bladderwort Utricularia resupinata
E Large-flowered bellwort Uvularia grandiflora
E Velvetleaf blueberry Vaccinium myrtilloides
SC Mountain cranberry* Vaccinium vitis-idaea ssp. minus
SC Beaked corn-salad* Valerianella radiata
SC Hybrid bunchflower* Veratrum latifolium
SC Narrow-leaved vervain* Verbena simplex
SC Possum haw* Viburnum nudum
SC Smooth black-haw Viburnum prunifolium
SC Hook-spurred violet Viola adunca
E Coast violet Viola brittoniana
SC Canada violet Viola canadensis
SC Southern wood violet* Viola hirsutula
SC Northern bog violet Viola nephrophylla
SC Kidney-leaf white violet* Viola renifolia
SC Great-spurred violet Viola selkirkii
SC Striped violet* Viola striata
SC New England grape Vitis X novae-angliae
E Barren strawberry Waldsteinia fragarioides
T Northern yellow-eyed grass Xyris montana
E Small's yellow-eyed Xyris smalliana
E Golden Alexanders Zizia aptera

Effective July 1, 2010

* Believed Extirpated
+ Federally Endangered
^ Federally Threatened

Mammals | Birds | Reptiles | Amphibians | Fish | Invertebrates
Endangered, Threatened and Special Concern Species in Connecticut