17 Pa. Code § 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.) H'met-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 |
Notes
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)).
This section cited in 7 Pa. Code §128.102 (relating to protected designated areas).
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