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Snapshots of the taxonomy

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As classified in WFO snapshot

December 2024

latest classification for this taxon

subspecies

Penstemon whitedii subsp. tristis Pennell & D.D.Keck

This subspecies name was first published in Bull. Torrey Bot. Club 65: 254 (1938)  

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