Search for Penstemon australis returned 2,906 results.

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  1. species: Penstemon cephalophorus Greene

    Synonym of Penstemon heterodoxus var. cephalophorus (Greene) N.H.Holmgren

  2. species: Penstemon kunthii G.Don

    Synonym of Penstemon roseus (Cerv. ex Sweet) G.Don

  3. species: Penstemon oreocharis Greene

    Synonym of Penstemon rydbergii var. oreocharis (Greene) N.H.Holmgren

  4. species: Penstemon peduncularis Nutt. ex Benth.

    Synonym of Penstemon fruticosus var. fruticosus null

  5. species: Penstemon carinatus Kellogg

    Synonym of Keckiella breviflora var. breviflora null

  6. species: Penstemon woodsii A.Nelson

    Synonym of Penstemon montanus var. montanus null

  7. species: Penstemon heterophyllus S.Watson

    Synonym of Penstemon sepalulus A.Nelson

  8. species: Penstemon lewisii Benth.

    Synonym of Penstemon fruticosus var. fruticosus null

  9. species: Penstemon lobbii Lem.

    Synonym of Keckiella antirrhinoides var. antirrhinoides null

  10. species: Penstemon crassifolius Lindl.

    Synonym of Penstemon fruticosus var. fruticosus null