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    Species Accepted

    Penstemon speciosus Douglas

    Royal Beardtongue

    Classification and descendants

    Source: Catalogue of Life

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      Vernacular names

      Source: Catalogue of Life

      5 results
      Royal Beardtongue English
      Royal beardtongue (EN)
      penstemon nádherný Slovak
      royal penstemon English
      showy penstemon English

      Treatments

      1 result

      Bibliography

      Source: Catalogue of Life

      12 results
      Douglas. Bot. Reg., t. 1270 (1829) ex Lindl. Published in
      Amer. Midl. Naturalist 23: 612 (1940)
      Piper. (1919). Proc. Biol. Soc. Washington 32: 43 (1919).
      Munz & I.M.Johnst. (1924). Bull. S. Calif. Acad. Sci. 23: 35 (1924).
      A.Nelson & J.F.Macbr. (1913). Bot. Gaz. 55: 381 (1913).
      POWO record for urn:lsid:ipni.org:names:808297-1
      1940
      Nelson, A. (1904). Proc. Biol. Soc. Washington 17: 97 (1904).
      Regel. (1875). Gartenflora 24: 34 (1875).
      Keck, D. D. (1940). Amer. Midl. Naturalist 23: 613 (1940).

      Citation

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