C. Davidson 13710
This occurrence of Asteraceae Cirsium undulatum (Nutt.) Spreng. (C. Davidson 13710) was collected on 7/15/2017 in USA. Flora of the World includes 21 field photographs documenting this occurrence, all of which are displayed here.
Classification
Family
Asteraceae
Genus
Cirsium
Specific Epithet
undulatum
Authorship
(Nutt.) Spreng.