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Asteraceae
Cirsium
Cirsium occidentale var. candidissimum
Cirsium occidentale var. candidissimum
No common name
J.F.Macbr. 1918 -
Contr. Gray Herb. 53: 22 (1918)
Specifications
Images
Synonyms
Carduus candidissimus
Greene
Cirsium occidentale subsp. candidissimum
Petr.
Cirsium pastoris
J.T.Howell
Cirsium candidissimum
Davidson & Moxley