rare plants - Virginia Department of Conservation and Recreation

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Rare Vascular Plant List ___________________________________________________________________________________________________ Scientific Name Common Name Global State Federal State Rank Rank Status Status ________________________________________________________________________________________________________________________________________________________ Thalictrum macrostylum Small & Heller Small-leaved Meadow-rue G3G4 S1 Tillandsia usneoides (L.) L. Spanish-moss G5 S1S2 Toxicodendron rydbergii (Small ex Rydb.) Greene Western Poison Ivy G5 S1 Triantha glutinosa (Michx.) Pers. syn: Tofieldia glutinosa (Michx.) Pers. Sticky False Asphodel G5 S1 Triantha racemosa (Walt.) B.S.P. syn: Tofieldia racemosa (Walt.) B.S.P. Coastal False Asphodel G5 SH Trichostema setaceum Houtt. Narrow-leaf Blue Curls G5 S2 Tridens chapmanii (Small) Chase syn: T. flavus (L.) A.S. Hitchc. var. chapmanii (Small) Shinners, syn: Triodia chapmanii (Small) Bush Chapman's Purpletop G3 SH Trifolium calcaricum Collins and Wieboldt Running Glade Clover G1 S1 LE Trifolium reflexum L. Buffalo Clover G3G4 S1 Trillium cernuum L. Nodding Trillium G5 S2 Trillium flexipes Raf. Drooping Trillium G5 S1 Trillium nivale Riddell Snow Trillium G4 S1 Trillium pusillum Michx. var. virginianum Fern. Includes var. moniticulum Bodkin & Reveal Virginia Least Trillium G3T2 S2 Triphora trianthophora (Sw.) Rydb. ssp. trianthophora Three Birds Orchid G3G4T3T4 S1 Trisetum spicatum (L.) Richter Narrow False Oats G5 S1 Turritis glabra L. syn: Arabis glabra (L.) Bernh. Tower Mustard G5 S1 Utricularia juncea Vahl Southern Bladderwort G5 S2 Utricularia olivacea C. Wright ex Griseb. Dwarf Bladderwort G4 SH Utricularia purpurea Walt. Purple Bladderwort G5 S2 Utricularia striata Le Conte ex Torr. syn: U. fibrosa Walt. Fibrous Bladderwort G4G5 S1 Vaccinium crassifolium Andr. Creeping Blueberry G4G5 S1 Vaccinium macrocarpon Ait. Cranberry G4 S2 Vaccinium myrtilloides Michx. Velvetleaf Blueberry G5 S1S2 Valeriana pauciflora Michx. Pink Valerian G4 S2 Valerianella chenopodiifolia (Pursh) A.P. de Goosefoot Corn- G5 SH Candolle salad Vandenboschia boschiana (Sturm) Ebihara & K. Appalachian Filmy G4 S1 Iwatsuki syn: Trichomanes boscianum Sturm Fern Verbena scabra Vahl Rough Vervain G5 S2 32
Rare Vascular Plant List ___________________________________________________________________________________________________ Scientific Name Common Name Global State Federal State Rank Rank Status Status ________________________________________________________________________________________________________________________________________________________ Veronica scutellata L. Marsh Speedwell G5 S1 Viburnum lentago L. Nannyberry G5 S1 Vicia americana Muhl. ex Willd. var. americana All Virginia V. americana is var. americana American Vetch G5T5 S1S2 Viola pedatifida G. Don Prairie Violet G5 S1 Viola walteri House var. walteri Prostrate Blue Violet G4G5TNR S2 Vitis rupestris Scheele Sand Grape G3 S1? Wisteria frutescens (L.) Poir. American Wisteria G5 S2 Wolffia columbiana Karst. Columbian G5 S1 Watermeal Xyris caroliniana Walt. Carolina Yelloweyed Grass G4G5 S1 Xyris curtissii Malme syn: X. difformis Chapman var. curtisii (Malme) Kral Curtiss' Yelloweyed Grass G5 S1 Xyris fimbriata Ell. Fringed Yelloweyed Grass G5 S1 Xyris iridifolia Chapman syn: Xyris laxifolia Mart. var. iridifolia (Chapman) Kral Iris-leaf Yelloweyed Grass G4G5 S1 Xyris platylepis Chapman Tall Yellow-eyed Grass G5 S2 Yucca aloifolia L. Spanish Dagger G5 S1 Zenobia pulverulenta (Bartr. ex Willd.) Pollard Dusty Zenobia G4? S1 Zigadenus glaberrimus Michx. Large Death-camas G5 S1 Zornia bracteata J.F. Gmel. Viperina G5? S1 33
Page 1: NATURAL HERITAGE RESOURCES OF VIRGI
Page 4 and 5: Nomenclature for mosses follows the
Page 6 and 7: If you can’t find: Look under: Ag
Page 9 and 10: Rare Vascular Plant List __________
Page 31: Rare Vascular Plant List __________
Page 37 and 38: Virginia Vascular Plant Watchlist _
Page 39 and 40: Vascular Plant Watchlist __________
Page 45: Vascular Plant Watchlist __________
Page 49 and 50: Review List (Taxa of Uncertain Stat
Page 51 and 52: Review List (Taxa of Uncertain Stat
Page 53: PART FOUR: RARE NON-VASCULAR PLANT
Page 56 and 57: Rare Non-Vascular Plant List ______
Page 58 and 59: Taxonomic changes made on the rare
Page 60 and 61: Taxonomic changes made on the rare
Page 62 and 63: Taxonomic changes made on the revie
Page 64 and 65: Taxa whose ranks have changed but a
Page 66 and 67: Taxa whose ranks have changed but a
Page 68 and 69: Taxa which have been removed from t
Page 70 and 71: New additions to the watch list Sci

rare plants - Virginia Department of Conservation and Recreation

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