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Snapshots of the taxonomy

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As classified in WFO snapshot

June 2024

Warning: older classification

form

Penstemon hirsutus f. albiflorus Farw.

This form name was first published in Amer. Midl. Naturalist 11: 68 (1928)  

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