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  • Penstemon sect. Penstemon
    Penstemon attenuatus, Penstemon australis, Penstemon bleaklyi, Penstemon brevisepalus, Penstemon calycosus, Penstemon canescens, Penstemon cinicola, Penstemon
    29 KB (911 words) - 20:32, 5 November 2020
  • Penstemon brevisepalus
    subgenusPenstemon subg. Penstemon sectionPenstemon sect. Penstemon speciesPenstemon brevisepalus Pennell in J. K. Small, Man. S.E. Fl., 1204, 1508. 1933. Craig C. Freeman
    4 KB (487 words) - 20:32, 5 November 2020
  • Penstemon pallidus
    spread eastward as a result of human activities, as in Ontario. Penstemon brevisepalus, which has been synonymized with P. pallidus by many authors, is treated
    5 KB (507 words) - 20:32, 5 November 2020
  • Penstemon tenuiflorus
    eastern North American species, including P. arkansanus, P. australis, P. brevisepalus, P. canescens, P. laxiflorus, P. oklahomensis, and P. pallidus. Stellate
    5 KB (500 words) - 20:32, 5 November 2020