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Asteraceae
Cirsium
Cirsium perplexans
Cirsium perplexans
No common name
Petr. 1917 -
Beih. Bot. Centralbl. 35: 441 (1917)
Specifications
Images
Synonyms
Carduus arvensis var. albiflorus
Farw.
Carduus vernalis
Osterh.
Cirsium vernale
Cockerell
Carduus americanus var. perplexans
A.Nelson
Carduus perplexans
Rydb.