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Snapshots of the taxonomy

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As classified in WFO snapshot

June 2024

Warning: older classification

variety

Xanthium pungens var. denudatum Widder

This variety name was first published in Repert. Spec. Nov. Regni Veg. Beih. 20: 69 (1923)  

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