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Asteraceae
Cirsium
Cirsium engelmannii
Cirsium engelmannii
Rydb., 1917
6% complete
No common name
Fl. Rocky Mts. 1013,1069 (1917)
Specifications
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Synonyms
Cirsium terrae-nigrae
Shinners
Carduus filipendulus
Rydb.
Cirsium virginianum var. filipendulum
A.Gray
Cnicus altissimus var. filipendulus
A.Gray