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nealleyi Aristida purpurea var. parishii A cont. Aristida purpurea var. perplexa Aristida purpurea var. purpurea Aristida purpurea var. wrightii Aristida

muiriana, Calamagrostis nutkaensis, Calamagrostis ophitidis, Calamagrostis perplexa, Calamagrostis pickeringii, Calamagrostis porteri, Calamagrostis purpurascens

Rhynchospora odorata, Rhynchospora oligantha, Rhynchospora pallida, Rhynchospora perplexa, Rhynchospora pleiantha, Rhynchospora plumosa, Rhynchospora punctata, Rhynchospora

Pooideae tribePoaceae tribe Poeae genusCalamagrostis speciesCalamagrostis perplexa Scribn. Kendrick L. Marr, Richard J. Hebda, Craig W. Greenef Common names:

var. nealleyi, Aristida purpurea var. parishii, Aristida purpurea var. perplexa, Aristida purpurea var. purpurea, Aristida purpurea var. wrightii Nutt

genusEragrostis speciesEragrostis pilosa Show Lower Taxa Eragrostis pilosa var. perplexa, Eragrostis pilosa var. pilosa (L.) P. Beauv. Paul M. Peterson Common names:

Aristideae genusAristida speciesAristida purpurea varietyAristida purpurea var. perplexa Allred & Valdes-Reyna Kelly W. Allred Common names: Jornada threeawn Treatment

tribeBrassicaceae tribe Boechereae genusSandbergia Show Lower Taxa Sandbergia perplexa, Sandbergia whitedii Greene Leafl. Bot. Observ. Crit. 2: 136. 1911. Ihsan

genusEragrostis speciesEragrostis pilosa varietyEragrostis pilosa var. perplexa (L.H. Harv.) S.D. Koch Paul M. Peterson Treatment appears in FNA Volume

LAYOUT:treatment:TUOYAL familyCyperaceae genusRhynchospora speciesRhynchospora perplexa Britton in J. K. Small, Fl. S.E. U.S., 197, 1328. 1903. Robert Kral Illustrated

familyBrassicaceae tribeBrassicaceae tribe Boechereae genusSandbergia speciesSandbergia perplexa (L. F. Henderson) Al-Shehbaz Harvard Pap. Bot. 12: 426. 2007. Ihsan A.

buffumii A. Nelson A. confusa Rickett A. ctenophylla Wooton & Standley A. perplexa Rydberg Oenothera albicaulis var. xanthosperma H. Léveillé O. ctenophylla (Wooton

9 mm. Eragrostis pilosa var. pilosa is more common than E. pilosa var. perplexa in the Flora region. Most of the records shown on the map are for this

phenomenon of eastern and western vicariants. The apparently sterile C. perplexa (p. 726) is intermediate between C. porteri and C. canadensis (Greene 1980)

single-awned A. gypsophila, but it has also been confused with A. purpurea var. perplexa, which differs in having reddish glumes of unequal length and longer ascending

relatively long callus hairs, and short awns. The apparently sterile C. perplexa (see previous) is intermediate between C. canadensis and C. porteri (Greene

confused in the field with its frequent associates R. microcarpa and R. perplexa. Most of the time it can be distinguished from both by its taller, coarser