Dataset: All Collections
Taxa: Pycnanthemum verticillatum (Koellia leptodon, Koellia verticillata, Pycnanthemum leptodon, Pycnanthemum verticillatum var. verticillatum, Pycnanthemum torrei var. leptodon, Pycnanthemum virginianum var. verticillatum)
Search Criteria: excluding cultivated/captive occurrences