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.
§ 45.11. Pennsylvania Extirpated.
Plant species classified as Pennsylvania Extirpated are as follows:
| Scientific Name | Common Name |
| Aeschynomene virginica (L.) BSP. | Sensitive Joint-Vetch |
| Agalinis decemloba (Greene) Pennell | Blue-Ridge False-Foxglove |
| Agrostis altissima (Walt.) Tuckerman | Tall Bentgrass |
| Arctostaphylos uva-ursi (L.) Spreng. | Bearberry Manzanita |
| Asclepias rubra L. | Red Milkweed |
| Astragalus neglectus (Torr. & Gray) Sheldon | Cooper’s Milk-Vetch |
| Atriplex littoralis L. | Seaside Orach |
| Berberis canadensis P. Mill. | American Barberry |
| Buchnera americana L. | Blue Hearts |
| Carex adusta Boott | Crowded Sedge |
| Carex aenea Fern. | Fernald’s Hay Sedge |
| Carex alopecoidea Tuckerman | Foxtail Sedge |
| Carex backii Boott | Rocky Mountain Sedge |
| Carex barrattii Schwein & Torr. | Barratt’s Sedge |
| Carex chordorrhiza Ehrh. ex L.f. | Creeping Sedge |
| Carex hyalinolepis Steud. | Shore-Line Sedge |
| Carex nigra (L.) Reichard | Black Sedge |
| Carex sartwellii Dewey | Sartwell’s Sedge |
| Chamaecyparis thyoides (L.) BSP. | Atlantic White Cedar |
| Commelina erecta L. | Slender Day-Flower |
| Commelina virginica L. | Virginia Day-Flower |
| Coreopsis rosea Nutt. | Pink Tickseed |
| Crassula aquatica (L.) Schoenl. | Water Pigmy-Weed |
| Crotonopsis elliptica Willd. | Elliptical Rushfoil |
| Cynoglossum boreale Fern. | Northern Hound’s Tongue |
| Cyperus polystachyos Rottb. | Many-Spiked Flatsedge |
| Cypripedium candidum Muhl. ex Willd. | Small White Lady’s-Slipper |
| Desmodium sessilifolium (Torr.) Torr. & Gray | Sessile-Leaved Tick Trefoil |
| Distichlis spicata (L.) Greene | Sea-Shore Salt-Grass |
| Draba reptans (Lam.) Fern. | Carolina Whitlow-Grass |
| Echinacea laevigata (C. L. Boynt. & Beadle) Blake | Smooth Coneflower |
| Elatine americana (Pursh) Arn. | Long-Stemmed Water-Wort |
| Eleocharis tricostata Torr. | Three-Ribbed Spike-Rush |
| Eleocharis tuberculosa (Michx.) Roemer & Schultes | Long-Tubercled Spike-Rush |
| Elodea schweinitzii (Planch.) Caspary | Schweinitz’s Waterweed |
| Erianthus giganteus (Walt.) Muhl. | Sugar Cane Plumegrass |
| Eriocaulon decangulare L. | Ten-Angled Pipewort |
| Eriocaulon parkeri B. L. Robins. | Parker’s Pipewort |
| Eryngium aquaticum L. | Marsh Eryngo |
| Eupatorium album L. | White Thoroughwort |
| Eupatorium leucolepis (DC.) Torr & Gray | White-Bracted Thoroughwort |
| Euphorbia obtusata Pursh | Blunt-Leaved Spurge |
| Fimbristylis puberula (Michx.) Vahl | Hairy Fimbry |
| Galactia regularis (L.) BSP. | Eastern Milk-Pea |
| Galactia volubilis (L.) Britt. | Downey Milk-Pea |
| Gentiana catesbaei Walt. | Elliott’s Gentian |
| Gentianopsis procera (Holm) Ma. | Lesser Fringed-Gentian |
| Helianthum angustifolius L. | Swamp Sunflower |
| Hordeum pusillum Nutt. | Little Barley |
| Hottonia inflata Ell. | American Featherfoil |
| Hydrocotyle umbellata L. | Many-Flowered Pennywort |
| Hypericum adpressum Bart. | Creeping St. John’s-Wort |
| Hypericum denticuiatum Walt. | Coppery St. John’s-Wort |
| Hypericum gymnanthum Engelm. & Gray | Clasping-Leaved St. John’s-Wort |
| Hypericum stans (Michx.) P. Adams & Robson | St. Peter’s-Wort |
| Ilex glabra (L.) Gray | Ink-Berry |
| Itea virginica L. | Virginia Willow |
| Juncus greenei Oakes & Tuckerman | Greene’s Rush |
| Koeleria cristata (L.) Pers. | Junegrass |
| Leiophyllum buxifolium (Berg.) Ell. | Sand-Myrtle |
| Lemna obscura (Austin) Daubs | Little Water Duckweed |
| Lespedeza stuevei Nutt. | Tall Bush Clover |
| Limosella australis R.Br. | Awl-Shaped Mudwort |
| Lobelia nuttallii Roemer & Schultes | Nuttall’s Lobelia |
| Ludwigia sphaerocarpa Ell. | Spherical-Fruited Seedbox |
| Lycopodium sabinifolium Willd. | Fir Clubmoss |
| Lycopodium selago L. | Mountain Clubmoss |
| 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 Fern. | Adders Tongue |
| Panicum leibergii (Vasey) Scribn. (Gleason, H. A. and A. Cronquist, Manual of Vascular Plants of Northeastern United States and Adjacent Canada, 1991, (Second Edition) | Leiberg’s Panic-grass |
| Panicum spretum Schultes (Gleason, H. A. and A. Cronquist, Manual of Vascular Plants of Northeastern United States and Adjacent Canada, 1991, Second Edition) | Spurned Panic-Grass |
| Phoradendron serotinum (Raf.) M. C. Johnston | 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-Stemmed 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.) Ait.f. | Brown Beaked-Rush |
| Rhynchospora gracilenta Gray | Beaked-Rush |
| Ruellia caroliniensis (Gmel.) Steud. | Carolina Petunia |
| Sabatia campanulata (L.) Torr. | Slender Marsh Pink |
| Sabatia stellaris Pursh | Sea Pink |
| Sagittaria stagnorum Small | Water Arrow-Head |
| Scirpus heterochaetus Chase | Slender Bullrush |
| Scutellaria serrata Andr. | Showy Skullcap |
| Sisyrinchium arenicola Bickn. | Sand Blue-Eyed Grass |
| Smilax pseudo-china L. | Long-Stalked Greenbrier |
| Sparganium minimum (Hartm.) Fries | Small Bur-Reed |
| Spiraea virginiana Britt. | Virginia Spiraea |
| Spiranthes magnicamporum Sheviak | Ladies’-Tresses |
| Trifolium reflexum L. | Buffalo Clover |
| Triglochin palustre L. | Marsh Arrowgrass |
| Utricularia fibrosa Walt. | Fibrous Bladderwort |
| Utricularia inflata Walt. | Floating Bladderwort |
| Utricularia resupinata B. D. Greene | Northeastern Bladderwort |
| Vitis rupestris Scheele | Sand Grape |
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. Immediately preceding text appears at serial pages (123454) to (123456).
Plant species classified as Pennsylvania Vulnerable are as follows:§ 45.15. Pennsylvania Vulnerable.
Scientific Name Common Name Cypripedium pubescens Willd. Yellow Lady’s-Slipper Hydrastis canadensis L. Golden-Seal Panax quinquefolius L. Ginseng
§ 45.16. [Reserved].
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].
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].
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].
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).
As of January 1, 1988, no plant species have been listed solely within the classification of Special Concern Population.§ 45.20. Special Concern Population.
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. Immediately preceding text appears at serial pages (123456) to (123460).
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