[48 Pa.B. 7757]
[Saturday, December 22, 2018]
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Subchapter B. CLASSIFIED PLANTS § 45.11. Pennsylvania Extirpated.
Plant species classified as Pennsylvania Extirpated are as follows:
Scientific Name Common Name 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 alopecoidea Tuckerman Foxtail 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 Cynoglossum boreale Fernald Northern Hound's Tongue Cyperus polystachyos Rottb. Many-Spiked 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 Distichlis spicata (L.) Greene Sea-Shore Salt-Grass 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 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 Hypericum gymnanthum Engelm. & A. Gray Clasping-Leaved 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 Matelea carolinensis (Jacq.) Woods. Carolina Milkvine Micranthemum micranthemoides (Nutt.) Wettst. Nuttall's Mud-Flower Muhlenbergia capillaris (Lam.) Trin. Short Muhly Myrica heterophylla Raf. Evergreen Bayberry 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 § 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 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 Artemisia campestris L. ssp. caudata (Michx.) Hall & Clements. Beach Wormwood Asclepias variegata L. White Milkweed Asplenium resiliens Kunze Black-Stemmed Spleenwort Bidens beckii (Torr. ex Spreng.) Greene Beck's Water-Marigold Boltonia asteroides (L.) L'Hér. Aster-Like Boltonia 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 collinsii Nutt. Collin'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 gravida Bailey Heavy 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 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 Cryptogramma stelleri (Gmel.) Prantl Slender Rockbrake Cymophyllus fraserianus (Ker Gawl.) Kartesz & Gandhi Fraser's Sedge Cyperus acuminatus Torr. & Hook. Short-Pointed Flatsedge Cyperus diandrus Torr. Umbrella Sedge Cyperus houghtonii Torr. Houghton's Flatsedge Cyperus refractus Engelm. Reflexed Flatsedge Cyperus retrorsus Chapman Retrorse 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 Delphinium exaltatum Aiton Tall Larkspur Desmodium humifusum (Muhl.) Beck Trailing Tick-Trefoil Diarrhena obovata (Gleason) Bradenburg Obovate Beakgrain 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 Galium labradoricum Wiegand Bog Bedstraw Gaylussacia dumosa (Andr.) Torr. & A. Gray Dwarf Huckleberry Geranium bicknellii Britton Cranesbill Glyceria borealis (Nash) Batch. Small Floating Mannagrass Glyceria obtusa (Muhl.) Trin. Blunt Manna-Grass Goodyera tesselata Lodd. Checkered Rattlesnake-Plantain Gymnopogon ambiguus (Michx.) Britton, Stearns & Poggenb. Broad-Leaved Beardgrass Helianthemum bicknellii Fernald Bicknell's Hoary Rockrose Heteranthera multiflora (Griseb.) Horn. Multi-Flowered Mud-Plantain Hieracium traillii Greene Maryland Hawkweed Hierochloe odorata (L.) Beauv. Vanilla Sweet-Grass Huperzia porophila (F. E. Lloyd & Underw.) Holub Sandstone-Loving Firmoss Hydrophyllum macrophyllum Nutt. Large-Leaved Water-Leaf 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 longii Fern. Long's 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 Malaxis bayardii Fernald Adder's-Mouth Marshallia grandiflora Beadle & F. E. Boynton Large-Flowered Marshallia 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 Passiflora lutea L. Passion-Flower 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 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 (Brittton) 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 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 Thalictrum coriaceum (Britt.) Small Thick-Leaved Meadow-Rue Trichostema setaceum Houtt. Narrow-Leaved Blue-Curls Trifolium virginicum Small Kate's-Mountain Clover Triphora trianthophora (Swartz) Rydb. Nodding Pogonia Triplasis purpurea Chapman] (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 Vitis novae-angliae Fernald New England Grape Vitis rupestris Scheele Sand Grape Zigadenus glaucus (Nutt.) Nutt. White Camas § 45.13. Pennsylvania Threatened.
Plant species classified as Pennsylvania Threatened are as follows:
Scientific Name Common Name Aconitum uncinatum L. Blue Monkshood Actaea podocarpa DC American Bugbane Ammophila breviligulata Fernald American Beachgrass Arceuthobium pusillum Peck Dwarf Mistletoe Aristida purpurascens Poir. Arrow-Feather Three-Awned Grass Asplenium bradleyi D. C. Eaton Bradley's Spleenwort Baptisia australis (L.) R. Br. Blue False Indigo Bidens bidentoides (Nutt.) Britt. Swamp Beggar-Ticks Bouteloua curtipendula (Michx.) Torr. Tall Gramma Camassia scilloides (Raf.) Cory Wild Hyacinth Carex alata Torr. Broad-Winged Sedge Carex aquatilis Wahlenb. Water Sedge Carex cryptolepis Mack. Northeastern Sedge Carex diandra Schrank Lesser Panicled Sedge Carex flava L. Yellow Sedge Carex oligosperma Michx. Few-Seeded Sedge Carex paupercula Michx. Bog Sedge Carex prairea Dewey Prairie Sedge Carex schweinitzii Schwein. Schweinitz's Sedge Carex sterilis Willd. Atlantic Sedge Carex tetanica Schkuhr Wood's Sedge Carex wiegandii Mack. Wiegand's Sedge Chamaesyce polygonifolia (L.) Small Seaside Spurge Chrysopsis mariana (L.) Elliott Maryland Golden-Aster Cypripedium reginae Walter Showy Lady's-Slipper Digitaria cognatum (Schultes) Pilger Fall Witch-Grass 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 Gaylussacia brachycera (Michx.) A. Gray Box Huckleberry 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 Phemeranthus teretifolius (Pursh) Raf. Round-Leaved Fameflower 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 longirostris Godron Eastern White Water-Crowfoot Ribes triste Pallas Wild Red Currant Ruellia strepens L. Limestone Petunia Salix candida Flugge ex Willd. Hoary Willow Salix serissima (Bailey) Fernald Autumn Willow Scirpus pedicellatus Fernald Stalked Bulrush Scleria pauciflora Muhl. ex Willd. Few-Flowered Nutrush Solidago uliginosa Nutt. Bog Goldenrod Spiraea betulifolia Pallas var. corymbosa (Raf.) Maxim. Dwarf Spiraea Streptopus amplexifolius (L.) DC Twisted-Stalk Symphyotrichum depauperatum (Fernald) Nesom Serpentine Aster Symphyotrichum novi-belgii (L.) Nesom var. novi-belgii New York Aster Utricularia intermedia Hayne Flat-Leaved Bladderwort Viola appalachiensis L. K. Henry Appalachian Blue Violet Vittaria appalachiana Farrar & Mickel Appalachian Grass-Fern § 45.14. Pennsylvania Rare.
Plant species classified as Pennsylvania Rare are as follows:
Scientific Name Common Name Amaranthus cannabinus (L.) Sauer Water-Hemp Ragweed Andromeda polifolia L. Bog-Rosemary Aplectrum hyemale (Muhl. ex Willd.) Nutt. Puttyroot Baccharis halimifolia L. Eastern Baccharis Cakile edentula (Bigelow) Hook. American Sea-Rocket Carex disperma Dewey Soft-Leaved Sedge Carex lasiocarpa Ehrh. Many-Fruited Sedge Collinsia verna Nutt. Spring Blue-Eyed Mary Cyperus engelmannii Steud. Engelmann's Flatsedge Cyperus schweinitzii Torr. Schweinitz's Flatsedge Dichanthelium commonsianum (Ashe) Freckmann var. euchlamydeum (Shinners) Pohl Cloaked Panic Grass Eleocharis olivacea Torr. Capitate Spike-Rush Epilobium strictum Muhl. Downy Willow-Herb Gaultheria hispidula (L.) Muhl. ex Bigelow Creeping Snowberry Juncus filiformis L. Thread Rush Ledum groenlandicum Oeder Common Labrador-Tea 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 Solidago roanensis Porter Tennessee Golden-Rod Tipularia discolor (Pursh) Nutt. Cranefly Orchid Trillium nivale Riddell Snow Trillium Wolffiella gladiata (Hegelm.) Hegelm. Bog-mat Xyris montana Ries. Yellow Eyed Grass Zizania aquatica L. Indian Wild Rice § 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 § 45.21. Tentatively Undetermined.
Plant species classified as Tentatively Undetermined are as follows:
Scientific Name Common Name Adiantum pedatum L. ssp. caulderi Cody Northern Maidenhair Fern Agalinis obtusifolia Raf. False-Foxglove Aletris farinosa L. Colic-Root Ambrosia psilostachya DC. Naked-Spiked Ambrosia 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 buxbaumii Wahlenb. Brown Sedge Carex crawfordii Fernald Crawford's Sedge Carex haydenii Dewey Cloud Sedge Carex limosa L. Mud Sedge Carex longii Mack. Long's Sedge Carex lupuliformis Sartwell False Hop Sedge Carex meadii Dewey Mead's Sedge Carex mesochorea Mack. Midland Sedge Castilleja coccinea (L.) Spreng. Scarlet Indian Paintbrush Chasmanthium latifolium (Michx.) H. O. Yates Wild-Oats Chenopodium capitatum (L.) Asch. Strawberry Goosefoot Corallorrhiza wisteriana Conrad Spring Coral-Root Crataegus brainerdii Sarg. Brainerd's Hawthorne Crataegus mollis (Torr. & A. Gray) Scheele Downy Hawthorne Cuscuta cephalanthi Engelm. Buttonbush Dodder Cuscuta corylii Engelm. Hazel Dodder Cuscuta polygonorum Engelm. Smartweed Dodder Cyperus odoratus L. Rusty Flatsedge 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 Elatine minima (Nutt.) Fisch. & C. A. Mey Small Waterwort Elymus virginicus L. var. submuticus Hook. Wild Rye 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 Gratiola aurea Muhl. ex Pursh Golden Hedge-Hyssop 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 Juncus biflorus Elliott Grass-Leaved Rush 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 Lythrum alatum Pursh Winged Loosestrife 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 Oxydendrum arboreum (L.) DC. Sourwood 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 ciliaris (L.) Lindl. Yellow Fringed Orchid 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 Rorippa palustris (L.) Besser var. palustris (Gleason, H. A. and A Cronquist, Manual of Vascular Plants of Northeastern United States and Adjacent Canada, 1991, Second Edition) Yellow Cress Rosa virginiana P. Mill. Virginia Rose Rubus setosus Bigelow Small Bristleberry Rumex hastatulus Baldwin ex Elliott Heart Sorrell Salix petiolaris Sm. Meadow Willow Salvia reflexa Hornem. Lance-Leaved Sage 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 Viola tripartita Elliott Three-parted Violet Vitis cinerea (Englem. in A. Gray) Englem. ex Millardet var. baileyana (Munson) Comeaux Possum-Grape Wolffia borealis (Engelm.) Landolt Dotted Dotted Watermeal
[Pa.B. Doc. No. 18-1970. Filed for public inspection December 21, 2018, 9:00 a.m.]
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