Subchapter B. CLASSIFIED PLANTS
Sec.
45.11. Pennsylvania Extirpated.
45.12. Pennsylvania Endangered.
45.13. Pennsylvania Threatened.
45.14. Pennsylvania Rare.
45.15. Pennsylvania Vulnerable.
45.16. [Reserved].
45.17. [Reserved].
45.18. [Reserved].
45.19. [Reserved].
45.20. Special Concern Population.
45.21. Tentatively Undetermined.
Cross References This subchapter cited in 17 Pa. Code § 45.3 (relating to classified plant taxonomy).
§ 45.11. Pennsylvania Extirpated.
Plant species classified as Pennsylvania Extirpated are as follows:
Scientific Name Common Name Acalypha deamii (Weath.) Ahles Two-Seeded Copperleaf Aeschynomene virginica (L.) Britton, Stearns & Poggenb. Sensitive Joint-Vetch Agalinis decemloba (Greene) Pennell Blue Ridge False Foxglove Agrostis altissima (Walter) Tuck. Tall Bentgrass Arctostaphylos uva-ursi (L.) Spreng. Bearberry Manzanita Asclepias rubra L. Red Milkweed Astragalus neglectus (Torr. & A. Gray) Sheldon Cooper’s Milk-Vetch Berberis canadensis P. Mill. American Barberry Buchnera americana L. Bluehearts Carex adusta Boott Crowded Sedge Carex backii Boott Rocky Mountain Sedge Carex barrattii Schwein. & Torr. Barratt’s Sedge Carex chordorrhiza L.f. Creeping Sedge Carex foenea Willd. Fernald’s Hay Sedge Carex hyalinolepis Steud. Shoreline Sedge Carex nigra (L.) Reichard Black Sedge Carex sartwellii Dewey Sartwell’s Sedge Chamaecyparis thyoides (L.) Britton, Stearns & Poggenb. Atlantic White-Cedar Commelina erecta L. Slender Dayflower Commelina virginica L. Virginia Dayflower Coreopsis rosea Nutt. Pink Tickseed Crassula aquatica (L.) Schönland Water-Pigmyweed Crotonopsis elliptica Willd. Elliptical Rushfoil Cuscuta coryli Engelm. Hazel Dodder Cynoglossum boreale Fernald Northern Hound’s Tongue Cyperus polystachyos Rottb. Many-Spiked Flatsedge Cyperus retrorsus Chapm. Retrorse Flatsedge Cypripedium candidum Muhl. ex Willd. Small White Lady’s-Slipper Desmodium sessilifolium (Torr.) Torr. and A. Gray Sessile-Leaved Tick Trefoil Dichanthelium leibergii (Vasey) Freckmann Leiberg’s Panic Grass Dichanthelium spretum (Schult.) Freckmann Eaton’s Witchgrass Diphasiastrum sabinifolium (Willd.) Holub. Fir Clubmoss Draba reptans (Lam.) Fernald Carolina Whitlow-Grass Echinacea laevigata (C. L. Boynton & Beadle) S. F. Blake Smooth Purple Coneflower Elatine americana (Pursh) Arn. Long-Stem Waterwort Eleocharis tricostata Torr. Three-Ribbed Spike-Rush Eleocharis tuberculosa (Michx.) Roem. & Schult. Long-Tubercled Spike-Rush Elodea schweinitzii (Planch) Casp. Schweinitz’s Waterweed Eriocaulon decangulare L. Ten-Angle Pipewort Eriocaulon parkeri B. L. Rob. Parker’s Pipewort Eryngium aquaticum L. Marsh Eryngo Eupatorium album L. var album White Thoroughwort Eupatorium leucolepis (DC) Torr. & A. Gray White-Bracted Thoroughwort Euphorbia obtusata Pursh Blunt-Leaved Spurge Fimbristylis puberula (Michx.) Vahl Hairy Fimbry Galactia regularis (L.) Britton, Stearns & Poggenb. Eastern Milk-Pea Galactia volubilis (L.) Britton Downy Milk-Pea Gentiana catesbaei Walter Elliott’s Gentian Gentianopsis virgata (Raf.) Holub Narrow-Leaved Fringed Gentian Gymnopogon ambiguus (Michx.) Britton, Stearns & Poggenb. Broad-Leaved Beardgrass Helianthus angustifolius L. Swamp Sunflower Hordeum pusillum Nutt. Á Löve Little-Barley Hottonia inflata Elliott American Featherfoil Hydrocotyle umbellata L. Many-Flowered Pennywort Hypericum adpressum Raf. ex Barton Creeping St. John’s-Wort Hypericum crux-andreae (L.) Crantz St. Peter’s-Wort Hypericum denticulatum Walter Coppery St. John’s-Wort Ilex glabra (L.) A. Gray Inkberry Itea virginica L. Virginia-Willow Juncus greenei Oakes & Tuck. Greene’s Rush Koeleria macrantha (Ledeb.) Schultes Junegrass Leiophyllum buxifolium (Berg.) Elliott Sand-Myrtle Lespedeza stuevei Nutt. Tall Bush-Clover Limosella australis R. Br. Awl-Shaped Mudwort Lobelia nuttallii Roem. & Schult. Nuttall’s Lobelia Ludwigia sphaerocarpa Elliott Spherical-Fruited Seedbox Lysimachia quadriflora Sims Four-Flowered Loosestrife Micranthemum micranthemoides (Nutt.) Wettst. Nuttall’s Mud-Flower Muhlenbergia capillaris (Lam.) Trin. Short Muhly Onosmodium virginianum (L.) A. DC. Virginia False Gromwell Ophioglossum vulgatum L. var. pycnostichum Fernald Adders Tongue Phoradendron leucarpum (Raf.) Reveal & M. C. Johnst. Christmas Mistletoe Phyllanthus caroliniensis Walt. Carolina Leaf-Flower Platanthera cristata (Michx.) Lindl. Crested Yellow Orchid Platanthera leucophaea (Nutt.) Lindl. Prairie White-Fringed Orchid Polygala lutea L. Yellow Milkwort Populus heterophylla L. Swamp Cottonwood Potamogeton alpinus Balbis Northern Pondweed Potamogeton praelongus Wulfen White-Stem Pondweed Prenanthes racemosa Michx. Glaucous Rattlesnake-Root Proserpinaca pectinata Lam. Comb-Leaved Mermaid-Weed Ranunculus hederaceus L. Long-Stalked Crowfoot Rhododendron calendulaceum (Michx.) Torr. Flame Azalea Rhynchospora fusca (L.) Aiton f. Brown Beak-Rush Rhynchospora gracilenta A. Gray Beak-Rush Ruellia caroliniensis (Walter ex J. F. Gmel.) Steud. Carolina Petunia Sabatia campanulata (L.) Torr. Slender Marsh-Pink Sabatia stellaris Pursh Sea Pink Saccharum giganteum (Walter) Pers. Sugarcane-Plumegrass Sagittaria filiformis J. G. Sm. Water Arrow-Head Schoenoplectus heterochaetus Chase (Sojak) Slender Bulrush Scutellaria serrata Andr. Showy Skullcap Sisyrinchium fuscatum E. P. Bicknell Sand Blue-Eyed Grass Smilax pseudochina L. Long-Stalked Greenbrier Sparganium natans L. Small Bur-Reed Spiraea virginiana Britton Virginia Spiraea Spiranthes magnicamporum Sheviak Ladies’-Tresses Trifolium reflexum L. Buffalo Clover Triglochin palustris L. Marsh Arrowgrass Utricularia fibrosa Walt. Fibrous Bladderwort Utricularia resupinata B. D. Greene ex Bigelow Northeastern Bladderwort Utricularia subulata L. Slender Bladderwort
Authority The provisions of this § 45.11 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 § 45.11 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 (394737) to (394740).
§ 45.12. Pennsylvania Endangered.
Plant species classified as Pennsylvania Endangered are as follows:
Scientific Name Common Name Aconitum reclinatum A. Gray White Monkshood Acorus americanus (Raf.) Raf. Sweet Flag Agalinis auriculata (Michx.) S. F. Blake Eared False Foxglove Agalinis paupercula (A. Gray) Britton Small-Flowered False Foxglove Aletris farinosa L. Colic-Root Alisma triviale Pursh Broad-Leaved Water-Plaintain Alnus viridis (Vill.) DC Mountain Alder Amelanchier bartramiana (Tausch) M. Roem. Oblong-Fruited Serviceberry Ammania coccinea Rottb. Scarlet Ammannia Anemone cylindrica A. Gray Long-Headed Anemone Arabis missouriensis Greene Missouri 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. Eaton Bradley’s Spleenwort Asplenium resiliens Kunze Black-Stemmed Spleenwort Astragalus canadensis L. Canadian Milk-Vetch Bidens beckii (Torr. ex Spreng.) Greene Beck’s Water-Marigold Bidens bidentoides (Nutt.) Britton Swamp Beggar-Ticks Boltonia asteroides (L.) L’Hér. Aster-Like Boltonia Camassia scilloides (Raf.) Cory Wild 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 Britton Bicknell’s Sedge Carex bullata Willd. Bull Sedge Carex careyana Dewey Carey’s Sedge Carex crinita Lam. var. brevicrinis Fernald Short-Hair Sedge Carex eburnea Boott Ebony Sedge Carex formosa Dewey Handsome Sedge Carex garberi Fernald Elk Sedge Carex geyeri Boott Geyer’s Sedge Carex lupuliformis Sartwell False Hop Sedge Carex mitchelliana M. A. Curtis Mitchell’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. Morton Octoraro Creek Chickweed Chasmanthium laxum (L.) H. O. Yates Slender Wild-Oats Chenopodium foggii Wahl Fogg’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 Conrad Spring Coral-Root Cryptogramma stelleri (Gmel.) Prantl Slender Rockbrake Cymophyllus fraserianus (Ker Gawl.) Kartesz & Gandhi Fraser’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 Walter Show Lady’s-Slipper Delphinium exaltatum Aiton Tall Larkspur Dicentra eximia (Ker Gwal.) Torr. Wild Bleeding-Heart Dichanthelium scoparium (Lam.) Gould Velvety Panic Grass Dichanthelium xanthophysum (A. Gray) Freckmann Slender Panic Grass Dodecatheon meadia L. Shooting-Star Dryopteris campyloptera (Kunze) Clarkson Mountain Wood Fern Echinochloa walteri (Pursh) A. Heller Walter’s Barnyard-Grass Eleocharis caribaea (Rottb.) S. F. Blake Capitate Spike-Rush Eleocharis compressa Sull. Flat-Stemmed Spike-Rush Eleocharis elliptica Kunth Slender Spike-Rush Eleocharis obtusa (Willd.) Schult. var. peasei Svenson Wright’s Spike-Rush Eleocharis parvula (Roem. & Schult.) Link ex Buffon & Fingerh. Dwarf Spike-Rush Eleocharis pauciflora (Lightf.) Link var. fernaldii Swenson Few-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) Svenson Slender Spike-Rush Equisetum scirpoides Michx. (Source: Flora of North America) Dwarf Scouring-Rush Equisetum variegatum Schleich. Variegated Scouring-Rush Eriophorum gracile Koch ex Roth Slender Cotton-Grass Eriophorum tenellum Nutt. Rough Cotton-Grass Euphorbia ipecacuanhae L. Wild Ipecac Euphorbia purpurea (Raf.) Fernald Glade Spurge Eurybia spectabilis (Aiton) Nesom Showy Aster Festuca paradoxa Desv. Cluster Fescue Fraxinus profunda (Bush) Bush Pumpkin Ash Fraxinus quadrangulata Michx. (Source: Flora of the Southeastern United States, Weakley 2020) Blue Ash Galium labradoricum Wiegand Bog Bedstraw Gaylussacia brachycera (Michx.) A. Gray Box Huckleberry Gaylussacia dumosa (Andr.) Torr. & A. Gray Dwarf Huckleberry Geranium bicknellii Britton Cranesbill Glyceria obtusa (Muhl.) Trin. Blunt Manna-Grass Goodyera tesselata Lodd. Checkered Rattlesnake-Plantain Gratiola aurea Muhl. ex Pursh Golden Hedge-Hyssop Helianthemum bicknellii Fernald Bicknell’s Hoary Rockrose Heteranthera multiflora (Griseb.) Horn. Multi-Flowered Mud-Plantain Hieracium traillii Greene Maryland 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.) Holub Sandstone-Loving Firmoss Hydrophyllum macrophyllum Nutt. Large-Leaved Water-Leaf Hypericum gymnanthum Engelm. & A. Gray Clasping-Leaved St. John’s-Wort Iodanthus pinnatifidus (Michx.) Steud. Purple-Rocket Iris cristata Sol. ex Aiton Dwarf Crested Iris Iris prismatica Pursh Slender Blue Flag Iris verna L. Dwarf Iris Isotria medeoloides (Pursh) Raf. Small-Whorled Pogonia Juncus brachycarpus Engelm. Short-Fruited Rush Juncus dichotomus Elliott Forked Rush Juncus militaris Bigelow Bayonet Rush Juncus scirpoides Lam. Scirpus-Like Rush Lespedeza angustifolia (Pursh) Elliott Narrow-Leaved Bush-Clover Ligusticum canadense (L.) Britton Nondo Lovage Linum intercursum E. P. Bicknell Sandplain Wild Flax Linum sulcatum Riddell Grooved Yellow Flax Lipocarpha micrantha (Vahl) G. C. Tucker Common Hemicarpha Listera australis Lindl. Southern Twayblade Listera cordata (L.) R. Br. Heartleaf Twayblade Listera smallii Wiegand Kidney-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 Walter Upright Primrose-Willow Ludwigia polycarpa Short & Peter False Loosestrife Seedbox Lycopodiella alopecuroides (L.) Cranfill Foxtail Bog Clubmoss Lycopodiella margueritae J. G. Bruce, W. H. Wagner & Beitel Marguerite’s Clubmoss Lycopus rubellus Moench. Taper-Leaved Bugle-Weed Lyonia mariana (L.) D. Don Staggerbush Lysimachia hybrida Michx. Lance-Leaved Loosestrife Lythrum alatum Pursh Winged Loosestrife Malaxis bayardii Fernald Adder’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.) Woodson Oblique Milkvine Mitella nuda L. Naked Bishop’s-Cap Monarda punctata L. Spotted Bee-Balm Montia chamissoi (Ledeb. ex Spreng.) Greene Chamisso’s Miner’s-Lettuce Muhlenbergia uniflora (Muhl.) Fern. Fall Dropseed Muhly Myriophyllum farwellii Morong Farwell’s Water-Milfoil Myriophyllum sibiricum Komarov Northern Water-Milfoil Myriophyllum verticillatum L. Whorled Water-Milfoil Najas marina L. Holly-Leaved Naiad Oclemena nemoralis (Aiton) E. Greene Leafy Bog Aster Onosmodium molle Michx. var. hispidissimum (Mack.) Cronquist False Gromwell Ophioglossum engelmannii Prantl Limestone Adder’s-Tongue Packera antennariifolia (Britton) W. A. Weber Á & Löve Cat’s-Paw Ragwort Panicum amarum Elliott var. amarulum (A. Hitchc. & Chase) P. G. Palmer Beachgrass Parnassia glauca Raf. Grass-of-Parnassus Paxistima canbyi A. Gray Canby’s Mountain-Lover Persicaria careyi (Olney) Greene Carey’s Smartweed Persicaria setacea (Baldwin) Small Swamp Smartweed Phlox ovata L. Mountain Phlox Phlox subulata L. ssp. brittonii (Small) Wherry Moss Pink Piptatherum pungens (Torr. ex Spreng.) Dorn Slender Mountain Ricegrass Platanthera aquilonis Sheviak, Lindleyana (Source: Flora of North America) Northern Green Orchid Platanthera dilatata (Pursh) Lindl. ex Beck Tall White Bog-Orchid Platanthera huronensis (Nutt.) Lindl. Huron Green Orchid Poa autumnalis Muhl. ex Elliott Autumn Bluegrass Polemonium van-bruntiae Britton Jacob’s-Ladder Polygala cruciata L. Cross-Leaved Milkwort Polygala curtissii A. Gray Curtis’ Milkwort Polygala incarnata L. Pink Milkwort Polystichum braunii (Spenn.) Fee Braun’s Holly Fern Populus balsamifera L. Balsam Poplar Potamogeton friesii Rupr. Fries’ Pondweed Potamogeton gramineus L. Grassy Pondweed Potamogeton hillii Morong Hill’s Pondweed Potamogeton obtusifolius Mert. & Koch Blunt-Leaved Pondweed Potamogeton pulcher Tuck. Spotted Pondweed Potamogeton strictifolius A. Benn. Narrow-Leaved Pondweed Potamogeton tennesseensis Fernald Tennessee Pondweed Potamogeton vaseyi J. W. Robbins Vasey’s Pondweed Potentilla fruticosa L. Shrubby Cinquefoil Potentilla paradoxa Nutt. Bushy Cinquefoil Potentilla tridentata Aiton Three-Toothed Cinquefoil Prunus maritima Marshall Beach 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 Buckley Shumard Oak Ranunculus fascicularis Muhl. ex J. M. Bigelow Tufted Buttercup Ratibida pinnata (Vent.) Barnhart Gray-Headed Prairie Coneflower Rhamnus lanceolata Pursh Lanceolate Buckthorn Rhexia mariana L. Maryland Meadow-Beauty Rhododendron atlanticum (Ashe) Rehder Dwarf Azalea Rhynchospora capillacea Torr. Capillary Beak-Rush Ribes missouriense Nutt. ex Torr. & A. Gray Missouri Gooseberry Rubus cuneifolius Pursh Sand 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 & Löve Hard-Stemmed Bulrush Schoenoplectus smithii (A. Gray) Sojak Smith’s Bulrush Schoenoplectus torreyi (Olney) Palla Torrey’s Bulrush Scirpus ancistrochaetus Schuyler Northeastern Bulrush Scleria minor (Britton) Stone Small 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.) Rusby Virginia Mallow Sisyrinchium atlanticum E. P. Bicknell Eastern Blue-Eyed-Grass Solidago arguta Aiton var. harrisii (E. S. Steele) Cronquist Harris’ Goldenrod Solidago curtissii Torr. & A. Gray Curtis’ Goldenrod Solidago erecta Banks ex Pursh Slender Goldenrod Solidago simplex Kunth ssp. randii (Porter) Ringius var. racemosa (Greene) Ringius Sticky Goldenrod Sorbus decora (Sarg.) Schneid. Showy Mountain-Ash Sparganium androcladum (Engelm.) Morong Branching Bur-Reed Spiraea corymbosa Rafinesque (Source: Flora of the Southeastern United States, Weakley 2020) Dwarf Spiraea Spiranthes casei Catling & Cruise Case’s Ladies’-Tresses Spiranthes ovalis Lindl. October Ladies’-Tresses Spiranthes romanzoffiana Cham. Hooded Ladies’-Tresses Spiranthes vernalis Engelm. & A. Gray Spring Ladies’-Tresses Sporobolus clandestinus (Biehler) A. Hitchc. Rough Dropseed Sporobolus cryptandrus (Torr.) A. Gray Sand Dropseed Sporobolus heterolepis (A. Gray) A. Gray Prairie Dropseed Stachys nuttallii Shuttlew. ex Benth. Nuttall’s Hedge-Nettle Swertia caroliniensis (Walter) Kuntze American Columbo Symphyotrichum boreale (Torr. & Gray) Á Löve & D. Löve Northern Bog Aster Taenidia montana (Mack.) Cronquist Mountain 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 Small Kate’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 Pollard Coast Violet Viola glaberrima (Ging.) House (Source: Flora of the Southeastern United States, Weakley 2020) Wedge-Leaved Violet Vitis rupestris Scheele Sand 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).
§ 45.13. Pennsylvania Threatened.
Plant species classified as Pennsylvania Threatened are as follows:
Scientific Name Common Name Aconitum uncinatum L. Blue Monkshood Ageratina aromatica (L.) Spach Small White-Snakeroot Ammophila breviligulata Fernald American Beachgrass Arabis patens Sull. Spreading Rockcress Arceuthobium pusillum Peck Dwarf Mistletoe Aristida purpurascens Poir. Arrow-Feather Three-Awned Grass Asclepias verticillata L. Whorled Milkweed Baptisia australis (L.) R. Br. Blue False Indigo Bouteloua curtipendula (Michx.) Torr. Tall Gramma Bromus kalmii A. Gray Kalm’s Brome Carex alata Torr. Broad-Winged Sedge Carex aquatilis Wahlenb. Water Sedge Carex collinsii Nutt. Collins’ Sedge Carex cryptolepis Mack. Northeastern Sedge Carex diandra Schrank Lesser Panicled Sedge Carex flava L. Yellow Sedge Carex longii Mack. Long’s Sedge Carex oligosperma Michx. Few-Seeded Sedge Carex prairea Dewey Prairie Sedge Carex tetanica Schkuhr Wood’s Sedge Carex wiegandii Mack. Wiegand’s Sedge Castilleja coccinea (L.) Spreng. Eastern Paintbrush Chamaesyce polygonifolia (L.) Small Seaside Spurge Chrysopsis mariana (L.) Elliott Maryland Golden-Aster Dodecatheon amethystinum (Fassett) Fassett Jeweled Shooting-Star Eleocharis intermedia (Muhl.) Schult. Matted Spike-Rush Eleocharis robbinsii Oakes Robbins’ Spike-Rush Ellisia nyctelea L. Ellisia Erigenia bulbosa (Michx.) Nutt. Harbinger-of-Spring Eriophorum viridicarinatum (Engelm.) Fernald Thin-Leaved Cottongrass Euthamia caroliniana (L.) Greene ex Porter & Britton Grass-Leaved Goldenrod Fimbristylis annua (All.) Roem. & Schult. Annual Fimbry Galium latifolium Michx. Purple Bedstraw Hypericum densiflorum Pursh Bushy St. John’s-Wort Hypericum majus (A. Gray) Britton Canadian St. John’s-Wort Ilex opaca Aiton American Holly Juncus alpinoarticulatus Chaix in Vill. ssp. nodulosus (Wahlenb.) Hämet-Ahti. Richardson’s Rush Juncus arcticus Willd. var. littoralis (Engelm.) Boivin. Baltic Rush Juncus brachycephalus (Engelm.) L. Buch. Small-Headed Rush Juncus torreyi Coville Torrey’s Rush Lathyrus japonicus Willd. Beach Pea Lathyrus ochroleucus Hook. Wild Pea Linnaea borealis L. Twinflower Lobelia dortmanna L. Water Lobelia Lycopodiella appressa (Chapm.) Cranfill Appressed Bog Clubmoss Magnolia tripetala (L.) L. Umbrella Magnolia Magnolia virginiana L. Sweetbay Magnolia Melica nitens Nutt. Three-Flowered Melic Grass Minuartia glabra (Michx.) Mattf. Appalachian Sandwort Myrica gale L. Sweet-gale Myriophyllum tenellum Bigelow Slender Water-Milfoil Najas gracillima (A. Braun) Magnus Bushy Naiad Nymphoides cordata (Elliott) Fernald Floating-Heart Oenothera argillicola Mack. Shale-Barren Evening-Primrose Panicum tuckermanii Fernald Tuckerman’s Panic-Grass Passiflora lutea L. Passion-Flower Phemeranthus teretifolius (Pursh) Raf. Round-Leaved Fameflower Platanthera ciliaris (L.) Lindl. Yellow Fringed Orchid Platanthera peramoena (A. Gray) A. Gray Purple Fringeless Orchid Poa paludigena Fernald & Wiegand Bog Bluegrass Potamogeton confervoides Reichenb. Tuckerman’s Pondweed Potamogeton richardsonii (Benn.) Rydb. Red-Head Pondweed Ptelea trifoliata L. Hoptree Ranunculus ambigens S. Watson Water-Plantain Spearwort Ranunculus longirostris Godron Eastern White Water-Crowfoot Ribes triste Pallas Wild Red Currant Ruellia strepens L. Limestone Petunia Salix serissima (Bailey) Fernald Autumn Willow Scirpus pedicellatus Fernald Stalked Bulrush Scleria pauciflora Muhl. ex Willd. Few-Flowered Nutrush Solidago roanensis Porter Mountain Goldenrod Solidago uliginosa Nutt. Bog Goldenrod Stellaria borealis Bigelow Northern Stitchwort Streptopus amplexifolius (L.) DC Twisted-Stalk Symphyotrichum depauperatum (Fernald) Nesom Serpentine Aster Symphyotrichum novi-belgii (L.) Nesom var. novi-belgii New York Aster Thalictrum coriaceum (Britton) Small Thick-Leaved Meadow-Rue Utricularia intermedia Hayne Flat-Leaved Bladderwort Viola appalachiensis L. K. Henry Appalachian Blue Violet Vittaria appalachiana Farrar & Mickel Appalachian Grass-Fern
Authority The provisions of this § 45.13 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 § 45.13 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 (394748) to (394751).
Cross References This section cited in 7 Pa. Code § 128.102 (relating to protected designated areas).
§ 45.14. Pennsylvania Rare.
Plant species classified as Pennsylvania Rare are as follows:
Scientific Name Common Name Actaea podocarpa DC Mountain Bugbane Amaranthus cannabinus (L.) Sauer Water-Hemp Ragweed Andromeda polifolia L. Bog-Rosemary Andropogon gyrans Ashe Elliott’s Beardgrass Asplenium pinnatifidum Nutt. Lobed Spleenwort Bartonia paniculata ssp. paniculata (Michx.) Muhl. Screw-Stem Cakile edentula (Bigelow) Hook. American Sea-Rocket Carex buxbaumii Wahlenb. Brown Sedge Carex disperma Dewey Soft-Leaved Sedge Carex lasiocarpa Ehrh. Many-Fruited Sedge Carex paupercula Michx. Bog Sedge Cyperus engelmannii Steud. Engelmann’s Flatsedge Cyperus schweinitzii Torr. Schweinitz’s Flatsedge Dichanthelium commonsianum (Ashe) Freckmann var. euchlamydeum (Shinners) Pohl Cloaked Panic Grass Epilobium strictum Muhl. Downy Willow-Herb Erythronium albidum Nutt. White Trout-Lily Gaultheria hispidula (L.) Muhl. ex Bigelow Creeping Snowberry Juncus biflorus Elliott Grass-Leaved Rush Juncus filiformis L. Thread Rush Ledum groenlandicum Oeder Common Labrador-Tea Lorinseria areolata (Linnaeus) C. Presl. (Source: Flora of the Southeastern United States, Weakley 2020) Netted Chain Fern Lupinus perennis L. Blue Lupine Lygodium palmatum (Bernh.) Sw. Hartford Fern Menziesia pilosa (Michx.) Juss. Minniebush Opuntia humifusa (Raf.) Raf. Eastern Prickly-Pear Cactus Orontium aquaticum L. Golden Club Packera anonyma (A. W. Wood) W. A. Weber & Á Löve Appalachian Groundsel Potamogeton robbinsii Oakes Flat-Leaved Pondweed Potamogeton zosteriformis Fernald Flat-Stemmed Pondweed Potentilla anserina L. Silverweed Prunus pumila L. var. pumila Sand Cherry Pyrularia pubera Michx. Buffalo-Nut Ranunculus micranthus (Gray) Nutt. ex Torr. & Gray Small-Flowered Crowfoot Rotala ramosior (L.) Koehne Toothcup Sagittaria subulata (L.) L. Buch. Subulate Arrowhead Schizachyrium scoparium (Michx.) Nash var. littorale (Nash) Gould Seaside Bluestem Schoenoplectus fluviatilis (Torr.) Strong River Bulrush Sedum telephioides Michx. Allegheny Stonecrop Trillium nivale Riddell Snow Trillium Wolffiella gladiata (Hegelm.) Hegelm. Bog-Mat Xyris montana Ries. Yellow Eyed Grass Zizania aquatica L. Indian Wild Rice
Authority The provisions of this § 45.14 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 § 45.14 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 (394751) to (394752).
§ 45.15. Pennsylvania Vulnerable.
Plant species classified as Pennsylvania Vulnerable are as follows:
Scientific Name Common Name Cypripedium parviflorum Salisb. var. pubescens (Willd.) Correll Large Yellow Lady’s-Slipper Hydrastis canadensis L. Goldenseal Panax quinquefolius L. Ginseng
Authority The provisions of this § 45.15 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 § 45.15 amended December 21, 2018, effective December 22, 2018, 48 Pa.B. 7757. Immediately preceding text appears at serial page (353992).
§ 45.16. [Reserved].
Source The provisions of this § 45.16 adopted December 4, 1987, effective January 1, 1988, 17 Pa.B. 5027; reserved June 18, 1993, effective June 19, 1993, 23 Pa.B. 2816. Immediately preceding text appears at serial page (123456).
§ 45.17. [Reserved].
Source The provisions of this § 45.17 adopted December 4, 1987, effective January 1, 1988, 17 Pa.B. 5027; reserved June 18, 1993, effective June 19, 1993, 23 Pa.B. 2816. Immediately preceding text appears at serial page (123456).
§ 45.18. [Reserved].
Source The provisions of this § 45.18 adopted December 4, 1987, effective January 1, 1988, 17 Pa.B. 5027; reserved June 18, 1993, effective June 19, 1993, 23 Pa.B. 2816. Immediately preceding text appears at serial page (123456).
§ 45.19. [Reserved].
Source The provisions of this § 45.19 adopted December 4, 1987, effective January 1, 1988, 17 Pa.B. 5027; reserved June 18, 1993, effective June 19, 1993, 23 Pa.B. 2816. Immediately preceding text appears at serial page (123456).
§ 45.20. Special Concern Population.
As of January 1, 1988, no plant species have been listed solely within the classification of Special Concern Population.
Source The provisions of this § 45.20 adopted December 4, 1987, effective January 1, 1988, 17 Pa.B. 5027.
§ 45.21. Tentatively Undetermined.
Plant species classified as Tentatively Undetermined are as follows:
Scientific Name Common Name Agalinis obtusifolia Raf. False-Foxglove Amelanchier humilis Wiegand Low Serviceberry Amelanchier obovalis (Michx.) Ashe Coastal Juneberry Amelanchier sanguinea (Pursh) DC. Roundleaf Juneberry Andropogon glomeratus (Walter) Britton, Stearns & Poggenb. Bushy Bluestem Antennaria solitaria Rydb. Single-Headed Pussy-Toes Arabis hirsuta (L.) Scop. Western Hairy Rock-Cress Aristida dichotoma Michx. var. curtissii A. Gray Poverty Grass Aristida longespica Poir. var. geniculata (Raf.) Fernald Long-Spike Three-Awned Grass Aristolochia macrophylla Lam. Pipevine Carex crawfordii Fernald Crawford’s Sedge Carex haydenii Dewey Cloud Sedge Carex limosa L. Mud Sedge Carex meadii Dewey Mead’s Sedge Chasmanthium latifolium (Michx.) H. O. Yates Wild-Oats Chenopodium capitatum (L.) Asch. Strawberry Goosefoot Crataegus brainerdii Sarg. Brainerd’s Hawthorne Crataegus mollis (Torr. & A. Gray) Scheele Downy Hawthorne Cuscuta cephalanthi Engelm. Buttonbush Dodder Cuscuta polygonorum Engelm. Smartweed Dodder Cyperus tenuifolius (Steud.) Dandy Thin-Leaved Flatsedge Cystopteris laurentiana (Weath.) Blasdell Laurentian Bladder-Fern Desmodium glabellum (Michx.) Kuntze Tall Tick-Trefoil Desmodium nuttallii (Schindl.) Schub. Nuttall’s Tick-Trefoil Dichanthelium annulum (Ashe) LeBlond Annulus Panic Grass Dichanthelium boreale (Nash) Freckmann Northern Panic Grass Dichanthelium commonsianum (Ashe) Freckmann Cloaked Panic Grass Dichanthelium lucidum (Ashe) LeBlond Shining Panic Grass Dichanthelium villosissimum (Nash) Freckmann Long-Haired Panic Grass Dichanthelium yadkinense (Ashe) Mohlenbr. Yadkin River Panic Grass Dracocephalum parviflorum Nutt. American Dragonhead Epilobium palustre L. Marsh Willow-Herb Eupatorium rotundifolium L. Round-Leaved Thoroughwort Filipendula rubra (Hill) B. L. Rob. Queen-of-the-Prairie Gentiana alba Muhl. ex Nutt. Yellow Gentian Gentiana saponaria L. Soapwort Gentian Gentiana villosa L. Striped Gentian Glyceria acutiflora Torr. Sharp-Flowered Manna-Grass Gymnocarpium appalachianum K. M. Pryer & Haufler Appalachian Oak Fern Houstonia purpurea L. var. purpurea Purple Bluets Hypericum drummondii (Grev. & Hook) Torr. & A. Gray Nits-and-Lice Lathyrus palustris L. Vetchling Lemna turionifera Landolt Winter Duckweed Leucothoe racemosa (L.) A. Gray Swamp Dog-Hobble Liatris scariosa (L.) Willd. Northern Blazing-Star Lonicera hirsuta Eaton Hairy Honeysuckle Luzula bulbosa (A. W. Wood) Rybd. Wood-Rush Malaxis monophyllos (L.) Swartz var. brachypoda (A. Gray) F. Morris & E. A. Eames White Adder’s-Mouth Meehania cordata (Nutt.) Britton Heart-Leafed Meehania Muhlenbergia cuspidata (Torr.) Rydb. Sharp-Pointed Muhly Nuphar microphylla (Pers.) Fernald Small Yellow Pond-Lily Oenothera pilosella Raf. Evening-Primrose Oxypolis rigidior (L.) Raf. Stiff Cowbane Packera plattensis (Nutt.) W. A. Weber & Á Löve Prairie Ragwort Panicum flexile (Gatt.) Scribn. Wiry Witchgrass Panicum longifolium Torr. Long-Leaved Panic Grass Paronychia fastigiata (Raf.) Fernald var. nuttallii (Small) Fernald Whitlow Wort Parthenium intergrifolium L. American Fever-Few Paspalum floridanum (Michx.) var. glabratum Engelm. ex Vasey Florida Beadgrass Paspalum laeve (Michx.) var. pilosum Scribn. Field Beadgrass Paspalum setaceum Michx. Slender Beadgrass Phlox pilosa L. Downy Phlox Phyla lanceolata (Michx.) Greene Lance Fog-Fruit Physalis virginiana Mill. Virginia Ground-Cherry Platanthera hookeri (Torr. ex Gray) Lindl. Hooker’s Orchid Pluchea odorata (L.) Cass. Shrubby Camphor-Weed Poa languida A. Hitchc. Drooping Bluegrass Podostemum ceratophyllum Michx. Riverweed Polygala polygama Walter Racemed Milkwort Polygonella articulata (L.) Meisn. Eastern Jointweed Polygonum amphibium L. var. stipulaceum (Coleman) Fern. Stipuled Water-Smartweed Polygonum ramosissimum Michx. Bushy Knotweed Potamogeton filiformis Pers. var. borealis (Raf.) St. John Slender Pondweed Potamogeton oakesianus J. W. Robbins Oakes’ Pondweed Potamogeton perfoliatus L. Clasping-Stemmed Pondweed Pycnanthemum verticillatum (Michx.) Pers. var. pilosum (Nutt.) Cooperr. Hairy Mountain-Mint Ranunculus aquatilis L. var. diffusus With. White Water-Crowfoot Ranunculus flammula L. Lesser Spearwort Rhamnus alnifolia L’ Hér Alder-Leaved Buckthorn Rhynchospora recognita (Gale) Kral Small Globe Beak-Rush Ribes lacustre (Pers.) Poir. Swamp Currant Rosa virginiana P. Mill. Virginia Rose Rubus setosus Bigelow Small Bristleberry Rumex hastatulus Baldwin ex Elliott Heart Sorrell Samolus parviflorus Raf. Pineland Pimpernel Saxifraga micranthidifolia (Haw.) Steud. Lettuce Saxifrage Scleria triglomerata Michx. Whip Nut-Rush Scutellaria saxatilis Riddell Rock Skullcap Senna marilandica (L.) Link Wild Senna Sisyrinchium albidum Raf. Blue-Eyed-Grass Solidago rigida L. Hard-Leaved Goldenrod Spiranthes tuberosa Raf. Slender Ladies’-Tresses Stachys hyssopifolia Michx. Hyssop Hedge-Nettle Stylosanthes biflora (L.) Britton, Stearns & Poggenb. Pencil-Flower Symphyotrichum dumosum (L.) Nesom Bushy Aster Symphyotrichum ericoides (L.) Nesom White Heath Aster Taxus canadensis Marsh. American Yew Trillium flexipes Raf. Declined Trillium Triosteum angustifolium L. Horse Gentian Tripsacum dactyloides (L.) L. Eastern Gammagrass Uvularia pudica Michx. Mountain Bellwort Viburnum trilobum Marshall Highbush-Cranberry Viola renifolia A. Gray Kidney-Leaved Violet Vitis cinerea (Englem. in A. Gray) Englem. ex Millardet var. baileyana (Munson) Comeaux Possum-Grape Wolffia borealis (Engelm.) Landolt Dotted Dotted Watermeal
Authority The provisions of this § 45.21 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 § 45.21 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 (394753) to (394758).
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