§ 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).
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