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Asteraceae
Cirsium
Cirsium engelmannii
Cirsium engelmannii
No common name
Rydb. 1917 -
Fl. Rocky Mts. 1013,1069 (1917)
Specifications
Images
Synonyms
Cirsium terrae-nigrae
Shinners
Carduus filipendulus
Rydb.
Cirsium virginianum var. filipendulum
A.Gray
Cnicus altissimus var. filipendulus
A.Gray