Asteraceae_Cirsium acaule

To see in high resolution, click the image (once) to be redirected to the Duke Herbarium flickr page. 

Click the flickr image (once) to see image size options available (in upper right corner of that page).

Family Asteraceae
Basionym Cirsium acaule Scop. var. americanum Gray
Original Identification n/a
Current Taxon Cirsium coloradense (Rydb.) Ckll.
Protologue Citation Proceedings of the Academy of Natural Sciences of Philadelphia 15(3): 68-69. 1863[1864].
Holotype/Isotype Isotype
DUKE Accession Number 345236
Comments  
Primary Collector E. Hall & J. P. Harbour
Collector Number 339
Collection Date 1862
Country United States
Province/State Colorado
Plant Location Notes Rocky Mountain Flora, Lat. 39-40°
Plant Description Notes n/a
DUKE Barcode  
Broad geographical location North America
  • background