§ 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).
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