17 Pa. Code § 45.14
Plant species classified as Pennsylvania Rare are as follows:
| Scientific Name | Common Name |
| Actaea podocarpa DC | Mountain Bugbane |
| Amaranthus cannabinus (L.) Sauer | Water-Hemp Ragweed |
| Andromeda polifolia L. | Bog-Rosemary |
| Andropogon gyrans Ashe | Elliott’s Beardgrass |
| Asplenium pinnatifidum Nutt. | Lobed Spleenwort |
| Bartonia paniculata ssp. paniculata (Michx.) Muhl. | Screw-Stem |
| Cakile edentula (Bigelow) Hook. | American Sea-Rocket |
| Carex buxbaumii Wahlenb. | Brown Sedge |
| Carex disperma Dewey | Soft-Leaved Sedge |
| Carex lasiocarpa Ehrh. | Many-Fruited Sedge |
| Carex paupercula Michx. | Bog Sedge |
| Cyperus engelmannii Steud. | Engelmann’s Flatsedge |
| Cyperus schweinitzii Torr. | Schweinitz’s Flatsedge |
| Dichanthelium commonsianum (Ashe) Freckmann var. euchlamydeum (Shinners) Pohl | Cloaked Panic Grass |
| Epilobium strictum Muhl. | Downy Willow-Herb |
| Erythronium albidum Nutt. | White Trout-Lily |
| Gaultheria hispidula (L.) Muhl. ex Bigelow | Creeping Snowberry |
| Juncus biflorus Elliott | Grass-Leaved Rush |
| Juncus filiformis L. | Thread Rush |
| Ledum groenlandicum Oeder | Common Labrador-Tea |
| Lorinseria areolata (Linnaeus) C. Presl. (Source: Flora of the Southeastern United States, Weakley 2020) | Netted Chain Fern |
| 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 |
| Trillium nivale Riddell | Snow Trillium |
| Wolffiella gladiata (Hegelm.) Hegelm. | Bog-Mat |
| Xyris montana Ries. | Yellow Eyed Grass |
| Zizania aquatica L. | Indian Wild Rice |
The provisions of this § 45.14 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)).
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; 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 (394751) to (394752).