Literature

Authorssort descendingYearTitle
Cronquist, Hitchcock, C. L., al, et1955Vascular Plants of the Pacific Northwest
Linnaeus1753Species Plantarum
W. Aiton1789Hortus Kewensis, or, A catalogue of the plants cultivated in the Royal Botanic Garden at Kew.
J. S. Al-Atabee, Mulligan, B. J., Power, J. B.1990Interspecific somatic hybrids ofRudbeckia hirta andR. Laciniata (Compositae)
N. L. Bradley, A. Leopold, C., Ross, J., Huffaker, W.1999Phenological changes reflect climate change in Wisconsin
N. Lord Britton, Brown A.1913An Illustrated Flora of the Northern United States, Canada And The British Possessions
A. H. Chappelka, Neufeld, H. S., Davison, A. W., Somers, G. L., Renfro, J. R.2003Ozone injury on cutleaf coneflower (Rudbeckia laciniata) and crown-beard (Verbesina occidentalis) in Great Smoky Mountains National Park
M. M. Cimpeanu, Cimpeanu, C. S., Capraru, G., Costea, A.2005Preliminary Karyotype Analysis in Members of Asteraceae Family
A. Cronquist1945Notes on the Compositae of the Northeastern United States. II. Heliantheae and Heliniae.
W. Cullina, Society N. England Wi2000The New England Wild Flower Society Guide to Growing and Propagating Wildflowers of the United States and Canada: A Guide to Growing and Propagating Native Flowers of North America
M. Cunningham, Parr P. D.1990Successful Culture of the Rare Annual Hemiparasite Tomanthera auriculata (Michx.) Raf. (Scrophulariaceae)
O. A. Farwell1904Contributions to the Botany of Michigan, No. 8
A. Gray1884Synoptical Flora of North America
L. E. Grulke, Neufeld, H. S., Davison, A. W., Roberts, M., Chappelka, A. H.2006Stomatal behavior of ozone-sensitive and -insensitive coneflowers ( Rudbeckia laciniata var. digitata ) in Great Smoky Mountains National Park
A. B. Gutierrez, Herz W.1990Ambrosanolides and other constituents of two rudbeckia species.
R. L. Harkess, Lyons R. E.1994Floral Initiation in Rudbeckia hirta (Asteraceae) Under Limited Inductive Photoperiodic Treatments
P. Hoffmann1894Compositae
S. B. Jones, Jr.1970Chromosome Numbers in Compositae
M. Frotscher Koch1930Studies in the Anatomy and Morphology of the Composite Flower II. The Corollas of the Heliantheae and Mutisieae
D. E. Moerman1998Native American Ethnobotany
B. Molano-Flores2005Population Viability AssessmentforSullivant’s coneflower (Rudbeckia fulgida Aiton var. sullivantii (C. L. Boynt. &Beadle) Cronq.)
I. E. Palmer, Ranney, T. G., Lynch, N. P., Bir, R. E.2009Crossability, Cytogenetics, and Reproductive Pathways in Rudbeckia Subgenus Rudbeckia
R. E. Perdue, Jr.1962Two New Varieties and a New Combination in Rudbeckia
R. E. Perdue, Jr.1957Synopsis of Rudbeckia Subgenus Rudbeckia
L. Scott, Molano-Flores B.2007Reproductive Ecology of Rudbeckia Fulgida Ait. Var. Sullivantii (C. L. Boynt and Beadle) Cronq. (Asteraceae) in Northeastern Illinois
P. Service1984Genotypic Interactions in an aphid-host plant relationship: Uroleucon rudbeckiae and Rudbeckia laciniata
J. L. Da Silva, Soares, D. J., Barreto, R. W.2005Eye-spot of Rudbeckia laciniata caused by Corynespora cassiicola in Brazil
J. L. Strother2006Flora of North America
L. E. Urbatsch, Baldwin, B. G., Donoghue, M. J.2000Phylogeny of the Coneflowers and Relatives (Heliantheae: Asteraceae) Based on Nuclear rDNA Internal Transcribed Spacer (ITS) Sequences and Chlorplast DNA Restriction Site Data
L. E. Urbatsch, Cox P. B.2006Rudbeckia
N. R. C. S. USDA2010The PLANTS Database
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith