Search for Penstemon australis returned 1,440 results.

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  1. species: Penstemon australis Small

  2. species: Penstemon pentstemon (L.) MacMill.

    Synonym of Penstemon laevigatus Aiton

  3. species: Penstemon thompsoniae (A.Gray) Rydb.

  4. species: Penstemon lemhiensis (D.D.Keck) D.D.Keck & Cronquist

  5. species: Penstemon lyallii (A.Gray) A.Gray

  6. species: Penstemon gentianoides (Kunth) Poir.

  7. species: Penstemon caesius A.Gray

  8. species: Penstemon tenuis Small

  9. species: Penstemon grinnellii Eastw.

  10. species: Penstemon euglaucus English