In lieu of an abstract, here is a brief excerpt of the content:

491 REFERENCES Ackerfield, J. & W. F. Jennings. 2008. The genus Abronia (Nyctaginaceae) in Colorado, with notes on Abronia bolackii in New Mexico. J. Res. Bot. Inst. Texas 2(1)419–423. Adams, R. P. 2004. Junipers of the World: The genus Juniperus. 275 pp. illus. Trafford Publ., Vancouver, B. C. Al-Shehbaz, I. A., K. Mummenhoff, & O. Appel. 2002. Cardaria, Coronopus, and Stroganowia are united with Lepidium (Brassicaceae). Novon 12:5–11. Argus, G. W. 1973. The Genus Salix in Alaska and the Yukon. Publications in Botany No. 2. National Museum of Canada, Ottawa. 278 pp. Axelrod, D. I. 1987. The late Oligocene Creede flora, Colorado. Univ. Calif. Publ. Geol. Sci. 130: 1–235. Babcock, E. B., & G. L. Stebbins, Jr. 1938. The American species of Crepis. Carnegie Inst. Wash. Publ. 504. Backlund, A. & N. Pyck. 1998. Diervillaceae and Linnaeaceae, two new families of caprifolioids. Taxon 47:657–663. Baker, Herbert G. 1965. Charles Darwin and the perennial flax—a controversy and its implications. Huntia 2:141–161. Barkley, T. M. 1985. Infrageneric groups in Senecio, s. l., and Cacalia, s. l. (Asteraceae: Senecioneae) in Mexico and Central America. Brittonia 37:211–218. Barneby, R. C. 1964. Atlas of North American Astragalus. Mem. N.Y. Bot. Gard. 13:1–1188. Barneby, R. C. 1977. Dalea imagines. Mem. N.Y. Bot. Gard. 27:1–891. Barnhart, G. H. 1965. Bibliographic Notes on Botanists. 3 Volumes. N. Y. Bot. Gard. Baum, B. R. 1967. Kalm’s specimens of North American grasses—their evaluation for typification. Can. J. Bot. 45:1845–1852. Baumgardt, J. P. 1982. How to Identify Flowering Plant Families. 269 pp. Timber Press. Beatley, J. C. 1973. Russian-Thistle (Salsola) species in western United States. J. Range Mgmt. 26:225– 226. Behnke, H.-D. 1997. Sarcobataceae—a new family of Caryophyllales. Taxon 46:495–507. Böcher, T. W., K. Holmen, & K. Jacobsen. 1968. Flora of Greenland (edition 2). 312 pp. P. Haase and Son, Copenhagen. Boissevain, C., & C. Davidson. 1940. Colorado Cacti: An Illustrated Guide Describing All of the Native Colorado Cacti. 71 pp., index. Abbey Garden Press, Pasadena, CA. Boivin, B., & D. Löve. 1960. Poa agassizensis, a new prairie bluegrass. Nat. Canad. 87:173–180. Boufford, D. 1982. The systematics and evolution of Circaea (Onagraceae). Ann. Mo. Bot. Gard. 69:804–994. Brandegee, T. S. 1876 [2012]. Flora of Southwestern Colorado. Bulletin of the Geological and Geographical Survey of the Territories, Vol. II, No. 3. Department of the Interior. Washington, DC. (e-book: http://www.archive.org/details/floraofsouthwest00branrich) Brown, R. W. 1956 [1978]. Composition of Scientific Words. Smithsonian Institution Press. 1978 reprint. Brummitt, R. K. 1971. Relationship of Heracleum lanatum Michx. of North America to H. sphondylium of Europe. Rhodora 73:580. Brummitt, R. K. 1993. Report of the committee for Spermatophyta: 38. Taxon 42:687–697. Brummitt, R. K. 2008. Evolution in taxonomic perspective. Taxon 57:1049–1050. Brummitt, R. K., & C. C. Powell. 1992. Authors of Plant Names. 732 pp. Royal Botanic Gardens, Kew. Chu, G.-L., & S. C. Sanderson. 2008 [2009]. The genus Kochia (Chenopodiaceae) in North America. Madroño 55:251–256. Chumley, T. W., & R. L. Hartman. 2000. Rediscovery of Ribes niveum (Grossulariaceae) in Colorado. Sida 19:407–410. Clayton, W. D. 1986. Genera Graminum: Grasses of the World. Kew Bull. Addit. Ser. XIII. 389 pp. Cody, William J. 2000. Flora of the Yukon Territory. 669 pp. Government of Canada Publications. Ottawa. Coles, W. 1656. The Art of Simpling: An Introduction to the Knowledge and Gathering of Plants. Republished by Kessinger, 2004. 492 References Cook, C.D.K. & K. Urmi-König. 1985. A revision of the genus Elodea (Hydrocharitaceae). Aquatic Bot. 21: 111–156. Correll, D. S., & H. B. Correll. 1972. Aquatic and Wetland Plants of Southwestern United States (2 volumes ). Volume 1 and 2. 1792 pp. Stanford University Press. Coulter, John Merle. 1885. Manual of Botany of the Rocky Mountain Region. 484 pp. New York. Coulter, J. M. & A. Nelson. 1909. New Manual of Botany of the Central Rocky Mountains (Vascular Plants). 646 pp. American Book Company. New York. Crase, D. 2004. Both: A Portrait in Two Parts. 303 pp. Pantheon Books, New York. [The lives of Rupert Barneby and Dwight Ripley] Cronquist, A. 1947. Revision of North American species of Erigeron. Brittonia 6:121–302. Crow, G. 1978. A taxonomic revision of Sagina (Caryophyllaceae) in North America. Rhodora 80:1–91. Dahlgren, R.M.T., H. T. Clifford, & P. F. Yeo. 1985. The Families of the Monocotyledons. 520 pp. Springer-Verlag, Berlin. Dathan, P. W. 2012. The Reindeer Botanist: Alf Erling Porsild (1901–1977). University of Calgary Press. Calgary. Davis...

Share