Pooideae tribePoaceae tribe Meliceae genusMelica speciesMelica porteri varietyMelica porteri var. laxa Boyle Mary E. Barkworth Treatment appears in FNA Volume
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Basionym: Rudbeckia porteri A. Gray Mem. Amer. Acad. Arts, n. s. 4: 83. 1849 Synonyms: Heliomeris porteri (A. Gray) Cockerell Viguiera porteri (A. Gray) S. F
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speciesPackera porteri (Greene) C. Jeffrey Kew Bull. 47: 101. 1992. Debra K. Trock Common names: Porter’s groundsel Endemic Basionym: Senecio porteri Greene Pittonia
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Pooideae tribePoaceae tribe Stipeae genusPtilagrostis speciesPtilagrostis porteri (Rydb.) W.A. Weber Mary E. Barkworth Common names: Porter's ptilagrostis Rocky-mountain
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Anthemideae genusArtemisia subgenusArtemisia subg. Drancunculus speciesArtemisia porteri Cronquist Madroño 11: 145. 1951. Leila M. Shultz Common names: Porter mugwort
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Oligogonum speciesEriogonum umbellatum varietyEriogonum umbellatum var. porteri (Small) S. Stokes Eriogonum, 109. 1936. James L. Reveal Common names: Porter’s
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familyPottiaceae subfamilyPottiaceae subfam. Pottioideae genusTortula speciesTortula porteri (James) Brotherus in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 214[I
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Ranunculus aquatilis var. longirostris (Godron) Lawson Ranunculus aquatilis var. porteri (Britton) L. D. Benson Ranunculus aquatilis var. subrigidus (W. B. Drew)
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Chloridoideae tribePoaceae tribe Cynodonteae genusMuhlenbergia speciesMuhlenbergia porteri Scribn. ex Beal Paul M. Peterson Common names: Bush muhly Treatment appears
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paganus L. H. Bailey R. pervarius L. H. Bailey R. plus L. H. Bailey R. porteri L. H. Bailey R. provincialis L. H. Bailey R. pudens Blanchard R. rowleei L
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Rachel E. Cook Common names: Slender goldenrod Endemic Synonyms: Solidago porteri Small Solidago speciosa var. erecta (Banks ex Pursh) MacMillan Treatment
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Calamagrostis canadensis also appears to form hybrids with the nearly sympatric C. porteri (p. 721) in rocky wooded sites in central Virginia. These putative hybrids
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calcareum Austin O. lescurii subsp. porteri (Sullivant & Lesquereux) Kindberg O. nudum var. strangulatum (P. Beauvois) Baehni O. peckii O. porteri O. strangulatum var
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species from granite outcrops of the southeastern United States, Helianthus porteri, shows remarkable morphologic similarity to Heliomeris, but cytologic, crossing
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blue-top fleabane Endemic Synonyms: Erigeron glandulosus Porter Erigeron porteri S. F. Blake Treatment appears in FNA Volume 20. Treatment on page 288. Mentioned
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1881. Robert R. Haynes, C. Barre Hellquist Endemic Synonyms: Potamogeton porteri Fernald Treatment appears in FNA Volume 22. Rhizomes absent. Cauline stems
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Arenaria fendleri var. diffusa Porter & Coulter Arenaria fendleri var. porteri Rydberg Arenaria fendleri var. tweedyi (Rydberg) Maguire Arenaria tweedyi
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with a diameter of 38 mm (E. P. Kruschke 1965). Crataegus porteri Britton [including C. porteri var. caerulescens (Sargent) E. J. Palmer], from Pennsylvania
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Many records of this species in the Flora region are here treated as B. porteri, a closely related species that has sometimes been included in B. anomalus
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lemmas, glumes, and awns of C. rubescens. Calamagrostis rubescens and C. porteri (p. 721) appear to be closely related. They may be part of the general phenomenon
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