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Snapshots of the taxonomy

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As classified in WFO snapshot

June 2024

Warning: older classification

species

Penstemon caelestinus Pennell

This species name was first published in Notul. Nat. Acad. Nat. Sci. Philadelphia 95: 1 (1942)  

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