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Snapshots of the taxonomy

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As classified in WFO snapshot

June 2023

Warning: older classification

variety

Conyza canadensis var. pusilla (Nutt.) Cronquist

This variety name was first published in Bull. Torrey Bot. Club 74(2): 150 (1947)  

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