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Taxon author: Crosswh.

ITIS records citing taxon author "Crosswh."
 
 Kingdom Plantae
  Penstemon australis var. ameles Crosswh. -- not accepted
  Penstemon brevibarbatus Crosswh. -- not accepted
  Penstemon compactus (D.D. Keck) Crosswh. -- accepted -- cache beardtongue, compact penstemon
  Penstemon deaveri Crosswh. -- accepted -- Mt. Graham beardtongue
  Penstemon decurvus Pennell ex Crosswh. -- not accepted
  Penstemon degeneri Crosswh. -- accepted -- Degener beardtongue, Degener's beardtongue
  Penstemon francisci-pennellii Crosswh. -- not accepted
  Penstemon inflatus Crosswh. -- accepted -- inflated beardtongue
  Penstemon leiophyllus var. francisci-pennellii (Crosswh.) N.H. Holmgren -- accepted -- smoothleaf beardtongue, smoothleaf penstemon
  Penstemon maguirei Crosswh. -- not accepted
  Penstemon nyeensis Crosswh. -- not accepted
  Penstemon pseudoparvus Crosswh. -- not accepted -- Mt. Washington beardtongue
  Penstemon pseudoputus (Crosswh.) N.H. Holmgren -- accepted -- Kaibab Plateau beardtongue
  Penstemon ramosus Crosswh. -- not accepted -- lanceleaf beardtongue, lanceleaf penstemon
  Penstemon virgatus ssp. asa-grayi Crosswh. -- not accepted
  Penstemon virgatus ssp. pseudoputus Crosswh. -- not accepted
  Penstemon virgatus ssp. putus (A. Nelson) Crosswh. -- not accepted
  Penstemon virgatus var. asa-grayi (Crosswh.) Dorn -- accepted -- upland blue beardtongue
   

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