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COMMONWEALTH OF PENNSYLVANIA

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The Pennsylvania Code website reflects the Pennsylvania Code changes effective through 54 Pa.B. 5598 (August 31, 2024).

17 Pa. Code § 45.12. Pennsylvania Endangered.

§ 45.12. Pennsylvania Endangered.

 Plant species classified as Pennsylvania Endangered are as follows:

Scientific NameCommon Name
Aconitum reclinatum A. GrayWhite Monkshood
Acorus americanus (Raf.) Raf.Sweet Flag
Agalinis auriculata (Michx.) S. F. BlakeEared False Foxglove
Agalinis paupercula (A. Gray) BrittonSmall-Flowered False Foxglove
Aletris farinosa L.Colic-Root
Alisma triviale PurshBroad-Leaved Water-Plaintain
Alnus viridis (Vill.) DCMountain Alder
Amelanchier bartramiana (Tausch) M. Roem.Oblong-Fruited Serviceberry
Ammania coccinea Rottb.Scarlet Ammannia
Anemone cylindrica A. GrayLong-Headed Anemone
Arabis missouriensis GreeneMissouri Rockcress
Arethusa bulbosa L.Dragon’s-Mouth
Arnica acaulis (Walter) Britton, Stearns & Poggenb.Leopard’s-Bane
Arnoglossum reniforme (Hook.) H. E. Robins.Great Indian Plantain
Artemisia campestris L. ssp. caudata (Michx.) Hall & Clements.Beach Wormwood
Asclepias variegata L.White Milkweed
Asplenium bradleyi D. C. EatonBradley’s Spleenwort
Asplenium resiliens KunzeBlack-Stemmed Spleenwort
Astragalus canadensis L.Canadian Milk-Vetch
Bidens beckii (Torr. ex Spreng.) GreeneBeck’s Water-Marigold
Bidens bidentoides (Nutt.) BrittonSwamp Beggar-Ticks
Boltonia asteroides (L.) L’Hér.Aster-Like Boltonia
Camassia scilloides (Raf.) CoryWild Hyacinth
Cardamine pratensis L. var. palustris Wimm. & Grab. (Gleason, H. A. and A. Cronquist, Manual of Vascular Plants of Northeastern United States and Adjacent Canada, 1991, Second Edition)Cuckooflower
Carex atherodes Spreng.Awned Sedge
Carex aurea Nutt.Golden-Fruited Sedge
Carex bebbii (Bailey) Fern.Bebb’s Sedge
Carex bicknellii BrittonBicknell’s Sedge
Carex bullata Willd.Bull Sedge
Carex careyana DeweyCarey’s Sedge
Carex crinita Lam. var. brevicrinis FernaldShort-Hair Sedge
Carex eburnea BoottEbony Sedge
Carex formosa DeweyHandsome Sedge
Carex garberi FernaldElk Sedge
Carex geyeri BoottGeyer’s Sedge
Carex lupuliformis SartwellFalse Hop Sedge
Carex mitchelliana M. A. CurtisMitchell’s Sedge
Carex pauciflora Lightf.Few-Flowered Sedge
Carex polymorpha Muhl.Variable Sedge
Carex pseudocyperus L.Cyperus-Like Sedge
Carex retrorsa Schwein.Backward Sedge
Carex roanensis F. J. Herm (Source: Flora of the Southeastern United States, Weakley 2020)Roan Mountain Sedge
Carex schweinitzii Schwein.Schweinitz’s Sedge
Carex sterilis Willd.Sterile Sedge
Carex typhina Michx.Cat-Tail Sedge
Carex viridula Michx.Green Sedge
Cerastium velutinum Raf. var. villossissimum (Pennell) J. K. MortonOctoraro Creek Chickweed
Chasmanthium laxum (L.) H. O. YatesSlender Wild-Oats
Chenopodium foggii WahlFogg’s Goosefoot
Chrysogonum virginianum L.Green-and-Gold
Cirsium horridulum Michx.Horrible Thistle
Cladium mariscoides (Muhl.) Torr.Twig-Rush
Clematis viorna L.Leather-Flower
Clethra acuminata Michx.Mountain Pepperbush
Clitoria mariana L.Butterfly Pea
Coeloglossum viride (L.) Hartm.Long-Bracted Green Orchis
Conioselinum chinense (L.) Britton, Stearns & Poggenb.Hemlock-Parsley
Corallorhiza wisteriana ConradSpring Coral-Root
Cryptogramma stelleri (Gmel.) PrantlSlender Rockbrake
Cymophyllus fraserianus (Ker Gawl.) Kartesz & GandhiFraser’s Sedge
Cyperus diandrus Torr.Umbrella Sedge
Cyperus houghtonii Torr.Houghton’s Flatsedge
Cyperus refractus Engelm.Reflexed Flatsedge
Cypripedium parviflorum Salisb. var. makasin (Source: Flora of North America)Northern Small Yellow Lady’s-Slipper
Cypripedium parviflorum Salisb. var. parviflorum (Source: Flora of North America)Southern Small Yellow Lady’s-Slipper
Cypripedium reginae WalterShow Lady’s-Slipper
Delphinium exaltatum AitonTall Larkspur
Dicentra eximia (Ker Gwal.) Torr.Wild Bleeding-Heart
Dichanthelium scoparium (Lam.) GouldVelvety Panic Grass
Dichanthelium xanthophysum (A. Gray) FreckmannSlender Panic Grass
Dodecatheon meadia L.Shooting-Star
Dryopteris campyloptera (Kunze) ClarksonMountain Wood Fern
Echinochloa walteri (Pursh) A. HellerWalter’s Barnyard-Grass
Eleocharis caribaea (Rottb.) S. F. BlakeCapitate Spike-Rush
Eleocharis compressa Sull.Flat-Stemmed Spike-Rush
Eleocharis elliptica KunthSlender Spike-Rush
Eleocharis obtusa (Willd.) Schult. var. peasei SvensonWright’s Spike-Rush
Eleocharis parvula (Roem. & Schult.) Link ex Buffon & Fingerh.Dwarf Spike-Rush
Eleocharis pauciflora (Lightf.) Link var. fernaldii SwensonFew-Flowered Spike-Rush
Eleocharis quadrangulata (Michx.) Roem. & Schult.Four-Angled Spike-Rush
Eleocharis rostellata (Torr.) Torr.Beaked Spike-Rush
Eleocharis tenuis (Willd.) Schult. var. verrucosa (Svenson) SvensonSlender Spike-Rush
Equisetum scirpoides Michx. (Source: Flora of North America)Dwarf Scouring-Rush
Equisetum variegatum Schleich.Variegated Scouring-Rush
Eriophorum gracile Koch ex RothSlender Cotton-Grass
Eriophorum tenellum Nutt.Rough Cotton-Grass
Euphorbia ipecacuanhae L.Wild Ipecac
Euphorbia purpurea (Raf.) FernaldGlade Spurge
Eurybia spectabilis (Aiton) NesomShowy Aster
Festuca paradoxa Desv.Cluster Fescue
Fraxinus profunda (Bush) BushPumpkin Ash
Fraxinus quadrangulata Michx. (Source: Flora of the Southeastern United States, Weakley 2020)Blue Ash
Galium labradoricum WiegandBog Bedstraw
Gaylussacia brachycera (Michx.) A. GrayBox Huckleberry
Gaylussacia dumosa (Andr.) Torr. & A. GrayDwarf Huckleberry
Geranium bicknellii BrittonCranesbill
Glyceria obtusa (Muhl.) Trin.Blunt Manna-Grass
Goodyera tesselata Lodd.Checkered Rattlesnake-Plantain
Gratiola aurea Muhl. ex PurshGolden Hedge-Hyssop
Helianthemum bicknellii FernaldBicknell’s Hoary Rockrose
Heteranthera multiflora (Griseb.) Horn.Multi-Flowered Mud-Plantain
Hieracium traillii GreeneMaryland Hawkweed
Hierochloe hirta (Schrank) Borb[aacute]s (Source: Flora of the Southeastern United States, Weakley 2020)Common Northern Sweet Grass
Hierochloe odorata (L.) Beauv.Vanilla Sweet-Grass
Huperzia porophila (F. E. Lloyd & Underw.) HolubSandstone-Loving Firmoss
Hydrophyllum macrophyllum Nutt.Large-Leaved Water-Leaf
Hypericum gymnanthum Engelm. & A. GrayClasping-Leaved St. John’s-Wort
Iodanthus pinnatifidus (Michx.) Steud.Purple-Rocket
Iris cristata Sol. ex AitonDwarf Crested Iris
Iris prismatica PurshSlender Blue Flag
Iris verna L.Dwarf Iris
Isotria medeoloides (Pursh) Raf.Small-Whorled Pogonia
Juncus brachycarpus Engelm.Short-Fruited Rush
Juncus dichotomus ElliottForked Rush
Juncus militaris BigelowBayonet Rush
Juncus scirpoides Lam.Scirpus-Like Rush
Lespedeza angustifolia (Pursh) ElliottNarrow-Leaved Bush-Clover
Ligusticum canadense (L.) BrittonNondo Lovage
Linum intercursum E. P. BicknellSandplain Wild Flax
Linum sulcatum RiddellGrooved Yellow Flax
Lipocarpha micrantha (Vahl) G. C. TuckerCommon Hemicarpha
Listera australis Lindl.Southern Twayblade
Listera cordata (L.) R. Br.Heartleaf Twayblade
Listera smallii WiegandKidney-Leaved Twayblade
Lithospermum caroliniense (J. F. Gmel.) MacMill. Hispid Gromwell
Lithospermum latifolium Michx.American Gromwell
Lobelia kalmii L.Brook Lobelia
Lobelia puberula Michx.Downy Lobelia
Lonicera oblongifolia (Goldie) Hook.Swamp Fly-Honeysuckle
Lonicera villosa (Michx.) Roem. & Schult.Mountain Fly-Honeysuckle
Ludwigia decurrens WalterUpright Primrose-Willow
Ludwigia polycarpa Short & PeterFalse Loosestrife Seedbox
Lycopodiella alopecuroides (L.) CranfillFoxtail Bog Clubmoss
Lycopodiella margueritae J. G. Bruce, W. H. Wagner & BeitelMarguerite’s Clubmoss
Lycopus rubellus Moench.Taper-Leaved Bugle-Weed
Lyonia mariana (L.) D. DonStaggerbush
Lysimachia hybrida Michx.Lance-Leaved Loosestrife
Lythrum alatum PurshWinged Loosestrife
Malaxis bayardii FernaldAdder’s-Mouth
Marshallia pulchra W. M. Knapp, D. B. Poind. & Weakley (Source: Flora of Southeastern United States, Weakley 2020)Beautiful Barbara’s Buttons
Matelea obliqua (Jacq.) WoodsonOblique Milkvine
Mitella nuda L.Naked Bishop’s-Cap
Monarda punctata L.Spotted Bee-Balm
Montia chamissoi (Ledeb. ex Spreng.) GreeneChamisso’s Miner’s-Lettuce
Muhlenbergia uniflora (Muhl.) Fern.Fall Dropseed Muhly
Myriophyllum farwellii MorongFarwell’s Water-Milfoil
Myriophyllum sibiricum KomarovNorthern Water-Milfoil
Myriophyllum verticillatum L.Whorled Water-Milfoil
Najas marina L.Holly-Leaved Naiad
Oclemena nemoralis (Aiton) E. GreeneLeafy Bog Aster
Onosmodium molle Michx. var. hispidissimum (Mack.) CronquistFalse Gromwell
Ophioglossum engelmannii PrantlLimestone Adder’s-Tongue
Packera antennariifolia (Britton) W. A. Weber Á & LöveCat’s-Paw Ragwort
Panicum amarum Elliott var. amarulum (A. Hitchc. & Chase) P. G. PalmerBeachgrass
Parnassia glauca Raf.Grass-of-Parnassus
Paxistima canbyi A. GrayCanby’s Mountain-Lover
Persicaria careyi (Olney) GreeneCarey’s Smartweed
Persicaria setacea (Baldwin) SmallSwamp Smartweed
Phlox ovata L.Mountain Phlox
Phlox subulata L. ssp. brittonii (Small) WherryMoss Pink
Piptatherum pungens (Torr. ex Spreng.) DornSlender Mountain Ricegrass
Platanthera aquilonis Sheviak, Lindleyana (Source: Flora of North America)Northern Green Orchid
Platanthera dilatata (Pursh) Lindl. ex BeckTall White Bog-Orchid
Platanthera huronensis (Nutt.) Lindl.Huron Green Orchid
Poa autumnalis Muhl. ex ElliottAutumn Bluegrass
Polemonium van-bruntiae BrittonJacob’s-Ladder
Polygala cruciata L.Cross-Leaved Milkwort
Polygala curtissii A. GrayCurtis’ Milkwort
Polygala incarnata L.Pink Milkwort
Polystichum braunii (Spenn.) FeeBraun’s Holly Fern
Populus balsamifera L.Balsam Poplar
Potamogeton friesii Rupr.Fries’ Pondweed
Potamogeton gramineus L.Grassy Pondweed
Potamogeton hillii MorongHill’s Pondweed
Potamogeton obtusifolius Mert. & KochBlunt-Leaved Pondweed
Potamogeton pulcher Tuck.Spotted Pondweed
Potamogeton strictifolius A. Benn.Narrow-Leaved Pondweed
Potamogeton tennesseensis FernaldTennessee Pondweed
Potamogeton vaseyi J. W. RobbinsVasey’s Pondweed
Potentilla fruticosa L.Shrubby Cinquefoil
Potentilla paradoxa Nutt.Bushy Cinquefoil
Potentilla tridentata AitonThree-Toothed Cinquefoil
Prunus maritima MarshallBeach Plum
Prunus nigra Ait.Canada Plum
Ptilimnium capillaceum (Michx.) Raf.Mock Bishop-Weed
Pycnanthemum torrei Benth.Torrey’s Mountain-Mint
Quercus falcata Michx.Southern Red Oak
Quercus phellos L.Willow Oak
Quercus shumardii BuckleyShumard Oak
Ranunculus fascicularis Muhl. ex J. M. BigelowTufted Buttercup
Ratibida pinnata (Vent.) BarnhartGray-Headed Prairie Coneflower
Rhamnus lanceolata PurshLanceolate Buckthorn
Rhexia mariana L.Maryland Meadow-Beauty
Rhododendron atlanticum (Ashe) RehderDwarf Azalea
Rhynchospora capillacea Torr.Capillary Beak-Rush
Ribes missouriense Nutt. ex Torr. & A. GrayMissouri Gooseberry
Rubus cuneifolius PurshSand Blackberry
Ruellia humilis Nutt.Fringed-Leaved Petunia
Sagittaria calycina Engelm.Long-Lobed Arrowhead
Salix candida Fl[uuml ]ggé ex Willd.Hoary Willow
Scheuchzeria palustris L.Pod-Grass
Schoenoplectus acutus (Muhl. ex Bigel.) Löve & LöveHard-Stemmed Bulrush
Schoenoplectus smithii (A. Gray) SojakSmith’s Bulrush
Schoenoplectus torreyi (Olney) PallaTorrey’s Bulrush
Scirpus ancistrochaetus SchuylerNortheastern Bulrush
Scleria minor (Britton) StoneSmall Nut-Rush
Scleria muhlenbergii Steud.Reticulated Nut-Rush
Scleria verticillata Muhl. ex Willd.Whorled Nut-Rush
Sedum rosea (L.) Scop.Roseroot Stonecrop
Sericocarpus linifolius (L.) Britton, Stearns & Poggenb.Narrow-Leaved White-Topped Aster
Shepherdia canadensis (L.) Nutt.Canada Buffalo-Berry
Sida hermaphrodita (L.) RusbyVirginia Mallow
Sisyrinchium atlanticum E. P. BicknellEastern Blue-Eyed-Grass
Solidago arguta Aiton var. harrisii (E. S. Steele) CronquistHarris’ Goldenrod
Solidago curtissii Torr. & A. GrayCurtis’ Goldenrod
Solidago erecta Banks ex PurshSlender Goldenrod
Solidago simplex Kunth ssp. randii (Porter) Ringius var. racemosa (Greene) RingiusSticky Goldenrod
Sorbus decora (Sarg.) Schneid.Showy Mountain-Ash
Sparganium androcladum (Engelm.) MorongBranching Bur-Reed
Spiraea corymbosa Rafinesque (Source: Flora of the Southeastern United States, Weakley 2020)Dwarf Spiraea
Spiranthes casei Catling & CruiseCase’s Ladies’-Tresses
Spiranthes ovalis Lindl.October Ladies’-Tresses
Spiranthes romanzoffiana Cham.Hooded Ladies’-Tresses
Spiranthes vernalis Engelm. & A. GraySpring Ladies’-Tresses
Sporobolus clandestinus (Biehler) A. Hitchc.Rough Dropseed
Sporobolus cryptandrus (Torr.) A. GraySand Dropseed
Sporobolus heterolepis (A. Gray) A. GrayPrairie Dropseed
Stachys nuttallii Shuttlew. ex Benth.Nuttall’s Hedge-Nettle
Swertia caroliniensis (Walter) KuntzeAmerican Columbo
Symphyotrichum boreale (Torr. & Gray) Á Löve & D. LöveNorthern Bog Aster
Taenidia montana (Mack.) CronquistMountain Pimpernel
Trichostema setaceum Houtt.Narrow-Leaved Blue-Curls
Trifolium stoloniferum Eaton (Source: Flora of the Southeastern United States, Weakley 2020)Running Buffalo Clover
Trifolium virginicum SmallKate’s-Mountain Clover
Triphora trianthophora (Swartz) Rydb.Nodding Pogonia
Triplasis purpurea (Walter) Chapm.Purple Sandgrass
Trollius laxus Salisb.Spreading Globe-Flower
Veronia glauca (L.) Willd.Tawny Ironweed
Viburnum nudum L.Possum Haw Viburnum
Viola brittoniana PollardCoast Violet
Viola glaberrima (Ging.) House (Source: Flora of the Southeastern United States, Weakley 2020)Wedge-Leaved Violet
Vitis rupestris ScheeleSand Grape
Zigadenus glaucus (Nutt.) Nutt.White Camas

Authority

   The provisions of this §  45.12 amended under section 7 of the Wild Resource Conservation Act (32 P.S. §  5307); and sections 305(a)(9) and 313(g) of the Conservation and Natural Resources Act (71 P.S. § §  1340.305(a)(9) and 1340.313(g)).

Source

   The provisions of this §  45.12 adopted December 4, 1987, effective January 1, 1988, 17 Pa.B. 5027; amended June 18, 1993, effective June 19, 1993, 23 Pa.B. 2816; amended December 21, 2018, effective December 22, 2018, 48 Pa.B. 7757; amended September 22, 2023, effective September 23, 2023, 53 Pa.B. 5892. Immediately preceding text appears at serial pages (394741) to (394748).

Cross References

   This section cited in 7 Pa. Code §  128.102 (relating to protected designated areas).



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