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Snapshots of the taxonomy

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As classified in WFO snapshot

June 2024

Warning: older classification

variety

Penstemon caespitosus var. thompsoniae (A.Gray) A.Nelson

This variety name was first published in Publ. Univ. Wyoming 3: 104 (1937)  

This variety name has been reclassified since this snapshot. Its current preferred usage is a synonym .