Dataset: All Collections
Taxa: Cirsium undulatum (Carduus undulatus, Cirsium megacephalum, Cirsium undulatum var. megacephalum, Cnicus undulatus, Cnicus undulatus var. megacephalus), Cirsium undulatum var. undulatum (Carduus helleri, Carduus undulatus, Cirsium helleri, Cirsium megacephalum, Cirsium ochrocentrum var. helleri, Cirsium undulatum var. megacephalum, Cnicus undulatus var. megacephalus)
Search Criteria: Polygon search (not displayed); includes cultivated/captive occurrences