Literature

Authorssort descendingYearTitle
W. L. Bloom1977Chromosomal Differentiation between Cirsium discolor and C. muticum and the Origin of Supernumerary Chromosomes
N. Lord Britton, Brown A.1913An Illustrated Flora of the Northern United States, Canada And The British Possessions
2008Graminoid Fens of the Northeastern Illinois
M. Lyndon Fernald, Schubert B. G.1948Studies of American Types in British Herbaria
P. Hoffmann1894Compositae
S. B. Jones, Jr.1970Chromosome Numbers in Compositae
D. J. Keil2006Cirsium
D. G. Kelch, Baldwin B. G.2002Phylogeny and ecological radiation of New World Thistles (Cirsium, Carduae - Compositae) based on ITS and ETS rDNA sequence data
A. Michaux1803Flora boreali-americana :sistens caracteres plantarum quas in America septentrionali collegit et detexit Andreas Michaux.
D. E. Moerman1998Native American Ethnobotany
T. Nuttall1818The genera of North American plants, and a catalogue of the species, to the year 1817.
G. B. Ownbey1951Natural Hybridization in the Genus Cirsium-I. C. discolor (Muhl Ex. Willd) Spreng X C. muticum Michx
T. C. Pesacreta, Hasenstein K. H.1999The Internal Cuticle of Cirsium horridulum (Asteraceae) Leaves
D. Simberloff, Stiling P.1996Risks of Species Introduced for Biological Control
K. Polycarp J. Sprengel1826Caroli Linnaei... Systema vegetabilium/Curante Curtio Sprengel
J. L. Strother2006Flora of North America
I. E. Jordon-Thaden, Louda S. M.2003Chemistry of Cirsium and Carduus: a role in ecological risk assessment for biological control of weeds?
N. R. C. S. USDA2010The PLANTS Database
T. Walter1788Flora caroliniana: secunda systema vegetabilium perillustris Linnaei digesta...
D. A. Willard, Bernhardt, C. E., Weimer, L., Cooper, S., Gamez, D., Jensen, J.2004Atlas of Pollen and Spores of the Florida Everglades
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith