Illustration of Cirsium horridulum

Licence: 
Creative Commons Licence
Creator: 
Britton, Nathaniel Lord and Addison Brown. An Illustrated Flora of the Northern United States, Canada and...
Taxonomic name: 
Cirsium horridulum (Taxonomy)
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith