recognized species traditionally identified as the diploid cytotype of P. virginianum (A. M. Evans 1971; I. Manton and M. Shivas 1953). Because the tetraploid
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speciesChrysogonum virginianum varietyChrysogonum virginianum var. virginianum Guy L. Nesom Endemic Synonyms: Chrysogonum virginianum var. dentatum Treatment
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hesperium, and/or P. virginianum. In addition to its separate geographic range, P. saximontanum can be distinguished from P. virginianum by having narrower
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subtribe Ecliptinae genusChrysogonum speciesChrysogonum virginianum varietyChrysogonum virginianum var. australe (Alexander ex Small) H. E. Ahles J. Elisha
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subtribe Ecliptinae genusChrysogonum speciesChrysogonum virginianum varietyChrysogonum virginianum var. brevistolon G. L. Nesom Sida 19: 817, figs. 1, 3
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cuspidatum var. plumosum Nees & Hornschuch Sphagnum faxonii Warnstorf Sphagnum virginianum Treatment appears in FNA Volume 27. Treatment on page 66. Mentioned on
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Vaccinium stamineum var. neglectum (Small) Deam Vaccinium stamineum var. virginianum (Ashe) Sleumer Treatment appears in FNA Volume 8. Treatment on page 521
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L familyLinaceae genusLinum sectionLinum sect. Linopsis speciesLinum virginianum Linnaeus Sp. Pl. 1: 279. 1753. Nancy R. Morin Common names: Woodland flax Virginia
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familyAsteraceae tribeAsteraceae tribe Cardueae genusCirsium speciesCirsium virginianum (Linnaeus) Michaux Fl. Bor.-Amer. 2: 90. 1803. David J. Keil Common names:
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stalk; leaves absent during winter (subg. Osmundopteris). Botrychium virginianum 2 Trophophore blades herbaceous or thick-papery to leathery; leaf sheaths
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Virginie Illustrated Basionym: Polygonum virginianum Linnaeus Sp. Pl. 1: 360. 1753 Synonyms: Antenoron virginianum (Linnaeus) Roberty & Vautier Tovara virginiana (Linnaeus)
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branch leaf papillae. The species is more likely to be confused with H. virginianum but the two are distinct in their branching patterns, different branch
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Geum virginianum to this species. As a consequence, older specimens of G. laciniatum are often labeled (and filed in herbaria) as G. virginianum. Geum
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Botrychium lanceolatum subsp. lanceolatum Botrychium campestre Botrychium virginianum Botrychium simplex Botrychium minganense Botrychium paradoxum Botrychium
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Common names: Blackland or Engelmann’s thistle Endemic Basionym: Cirsium virginianum var. filipendulum A. Gray Manual ed. 2, 233. 1856, Synonyms: Cirsium
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polypodioides var. michauxiana could only be mistaken for Polypodium virginianum Linnaeus, which has similar leaf morphology but lacks scales on the abaxial
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scattered or occasionally more common. Paraphyllia of H. angustifolium and H. virginianum are much more abundant, frequently branched and more commonly two or more
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Canada. The plants have the habit and foliage of G. canadense and G. virginianum, with stipules as large as or even larger than those of the latter; the
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ribbed distally and the carpels are convex abaxially, compared with L. virginianum, which has smooth branches and carpels that are abaxially flattened. In
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manipulated for agriculture. Ruderals such as pepper grass, Lepidium virginianum, are associated with the early stages in natural succession. Agrestals
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