Literature

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