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oolentangiense, Symphyotrichum parviceps, Symphyotrichum pilosum, Symphyotrichum porteri, Symphyotrichum praealtum, Symphyotrichum prenanthoides, Symphyotrichum

Helianthus paradoxus, Helianthus pauciflorus, Helianthus petiolaris, Helianthus porteri, Helianthus praecox, Helianthus pumilus, Helianthus radula, Helianthus resinosus

mucroglumis, Bromus nottowayanus, Bromus orcuttianus, Bromus pacificus, Bromus porteri, Bromus pseudolaevipes, Bromus pubescens, Bromus pumpellianus, Bromus ramosus

Artemisia dracunculus, Artemisia filifolia, Artemisia pedatifida, Artemisia porteri, Artemisia pycnocephala Besser Bull. Soc. Imp. Naturalistes Moscou 1: 223

Melica imperfecta, Melica montezumae, Melica mutica, Melica nitens, Melica porteri, Melica smithii, Melica spectabilis, Melica stricta, Melica subulata, Melica

ophitidis, Calamagrostis perplexa, Calamagrostis pickeringii, Calamagrostis porteri, Calamagrostis purpurascens, Calamagrostis rubescens, Calamagrostis scopulorum

genusCalamagrostis speciesCalamagrostis porteri Show Lower Taxa Calamagrostis porteri subsp. insperata, Calamagrostis porteri subsp. porteri A. Gray Kendrick L. Marr

muralis, Tortula nevadensis, Tortula obtusifolia, Tortula plinthobia, Tortula porteri, Tortula protobryoides, Tortula subulata, Tortula systylia, Tortula truncata

nevadense, Eriogonum umbellatum var. polyanthum, Eriogonum umbellatum var. porteri, Eriogonum umbellatum var. ramulosum, Eriogonum umbellatum var. sandbergii

ogotorukensis, Packera pauciflora, Packera paupercula, Packera plattensis, Packera porteri, Packera pseudaurea, Packera quercetorum, Packera sanguisorboides, Packera

pectinata, Muhlenbergia peruviana, Muhlenbergia polycaulis, Muhlenbergia porteri, Muhlenbergia pungens, Muhlenbergia racemosa, Muhlenbergia ramulosa, Muhlenbergia

tribe Poeae genusCalamagrostis speciesCalamagrostis porteri subspeciesCalamagrostis porteri subsp. porteri Kendrick L. Marr, Richard J. Hebda, Craig W. Greenef

tribePoaceae tribe Poeae genusCalamagrostis speciesCalamagrostis porteri subspeciesCalamagrostis porteri subsp. insperata (Swallen) C.W. Greene Kendrick L. Marr

tribe Meliceae genusMelica speciesMelica porteri Show Lower Taxa Melica porteri var. laxa, Melica porteri var. porteri Scribn. Mary E. Barkworth Common names:

Stipeae genusPtilagrostis Show Lower Taxa Ptilagrostis kingii, Ptilagrostis porteri Griseb. Mary E. Barkworth Treatment appears in FNA Volume 24. Treatment

W. Greenef Common names: Wood reedgrass Endemic Synonyms: Calamagrostis porteri subsp. perplexa Treatment appears in FNA Volume 24. Treatment on page 726

Varieties 2 (2 in the flora). The status of Carex crinita var. porteri (Olney) Fernald [C. porteri Olney], a rare, long-beaked taxon known from two sites in

tribePoaceae tribe Bromeae genusBromus sectionBromus sect. Bromopsis speciesBromus porteri (J.M. Coult.) Nash Leon E. Pavlickf Common names: Nodding brome Synonyms:

Symphyotrichum sectionSymphyotrichum sect. Symphyotrichum speciesSymphyotrichum porteri (A. Gray) G. L. Nesom Phytologia 77: 289. 1995. Luc Brouillet, John C. Semple

tribePoaceae tribe Meliceae genusMelica speciesMelica porteri varietyMelica porteri var. porteri Mary E. Barkworth Treatment appears in FNA Volume 24.

Pooideae tribePoaceae tribe Meliceae genusMelica speciesMelica porteri varietyMelica porteri var. laxa Boyle Mary E. Barkworth Treatment appears in FNA Volume

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

speciesPackera porteri (Greene) C. Jeffrey Kew Bull. 47: 101. 1992. Debra K. Trock Common names: Porter’s groundsel Endemic Basionym: Senecio porteri Greene Pittonia

Pooideae tribePoaceae tribe Stipeae genusPtilagrostis speciesPtilagrostis porteri (Rydb.) W.A. Weber Mary E. Barkworth Common names: Porter's ptilagrostis Rocky-mountain

Anthemideae genusArtemisia subgenusArtemisia subg. Drancunculus speciesArtemisia porteri Cronquist Madroño 11: 145. 1951. Leila M. Shultz Common names: Porter mugwort

Oligogonum speciesEriogonum umbellatum varietyEriogonum umbellatum var. porteri (Small) S. Stokes Eriogonum, 109. 1936. James L. Reveal Common names: Porter’s

familyPottiaceae subfamilyPottiaceae subfam. Pottioideae genusTortula speciesTortula porteri (James) Brotherus in H. G. A. Engler and K. Prantl, Nat. Pflanzenfam. 214[I

Ranunculus aquatilis var. longirostris (Godron) Lawson Ranunculus aquatilis var. porteri (Britton) L. D. Benson Ranunculus aquatilis var. subrigidus (W. B. Drew)

Chloridoideae tribePoaceae tribe Cynodonteae genusMuhlenbergia speciesMuhlenbergia porteri Scribn. ex Beal Paul M. Peterson Common names: Bush muhly Treatment appears

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

Rachel E. Cook Common names: Slender goldenrod Endemic Synonyms: Solidago porteri Small Solidago speciosa var. erecta (Banks ex Pursh) MacMillan Treatment

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

calcareum Austin O. lescurii subsp. porteri (Sullivant & Lesquereux) Kindberg O. nudum var. strangulatum (P. Beauvois) Baehni O. peckii O. porteri O. strangulatum var

species from granite outcrops of the southeastern United States, Helianthus porteri, shows remarkable morphologic similarity to Heliomeris, but cytologic, crossing

blue-top fleabane Endemic Synonyms: Erigeron glandulosus Porter Erigeron porteri S. F. Blake Treatment appears in FNA Volume 20. Treatment on page 288. Mentioned

1881. Robert R. Haynes, C. Barre Hellquist Endemic Synonyms: Potamogeton porteri Fernald Treatment appears in FNA Volume 22. Rhizomes absent. Cauline stems

Arenaria fendleri var. diffusa Porter & Coulter Arenaria fendleri var. porteri Rydberg Arenaria fendleri var. tweedyi (Rydberg) Maguire Arenaria tweedyi

with a diameter of 38 mm (E. P. Kruschke 1965). Crataegus porteri Britton [including C. porteri var. caerulescens (Sargent) E. J. Palmer], from Pennsylvania

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

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

plants can have attractive, bright red leaves. Such plants approach var. porteri in aspect, especially in the Jarbidge, Ruby, and East Humboldt mountains

At higher elevations, it is replaced by the weakly differentiated var. porteri. It is occasionally found in cultivation, especially in European gardens

foothills of Rocky Mountains, Colorado, New Mexico, Wyoming Symphyotrichum porteri 20 Cauline leaf blades lanceolate, linear, linear-lanceolate, or oblanceolate

as Bouteloua eriopoda, Hilaria belangeri, H. jamesii, H. mutica, Muhlenbergia porteri, and Oryzopsis hymenoides. Within the past century, desert shrubs (mainly Larrea