Displaying 256501 - 256550 out of 267716 Object(s)

Author(s) Year Article/Chapter Title Book/Journal
Culberson, Chicita F., Culberson, William L. 11/05/1977 Chemosyndromic variation in lichens   View Details Systematic Botany
Haufler, Christopher H., Gastony, Gerald J. 01/05/1979 Systematic implications of spore morphology in Bommeria and related fern genera   View Details Systematic Botany
Gill, Lake S., Morton, J. K. 01/08/1975 Scutellaria churchillana--hybrid or species   View Details Systematic Botany
Barrett, Spencer C. H., Strother, John L. /07/1979 Taxonomy and natural history of Bacopa (Scrophulariaceae) in California   View Details Systematic Botany
Hammel, Barry E., Reeder, John R. 27/05/1980 The genus Crypsis (Gramineae) in the United States   View Details Systematic Botany
Wussow, James R., Urbatsch, Lowell E. 27/05/1980 A systematic study of the genus Tetrachyron (Asteraceae: Heliantheae)   View Details Systematic Botany
Mastrogiuseppe, Ronald J., Mastrogiuseppe, Joy D. /10/1980 A study of Pinus balfouriana Grev. & Balf. (Pinaceae)   View Details Systematic Botany
Ownbey, Gerald B., Pinkava, Donald J. /01/1981 Cirsium coahuilense (Asteraceae) a new species from northern Mexico   View Details Systematic Botany
Keil, David J., Stuessy, Tod F. /11/1981 Systematics of Isocarpha (Compositae: Eupatorieae)   View Details Systematic Botany
McCain, John W., Hennen, Joe F. /03/1982 Is the taxonomy of Berberís and Mahonia (Berberidaceae) supported by their rust pathogens Cumminsiella santa sp. nov. and other Cumminsiella species (Uredinales)   View Details Systematic Botany
Crawford, Daniel J., Smith, Edwin B. 14/10/1982 Allozyme divergence between Coreopsis basalis and C. wrightii (Compositae)   View Details Systematic Botany
Hellquist, Carl B., Hilton, Robert 27/01/1983 A new species of Potamogeton (Potamogetonaceae) from northeastern United States [P. ogdenii]   View Details Systematic Botany
Pruski, John F., Urbatsch, Lowell E. 27/01/1983 Galea bucaramangensis (Asteraceae), a new species from the Colombian Andes   View Details Systematic Botany
Hartman, Ronald L., Stuessy, Tod F. 08/04/1983 Revision of Otopappus (Compositae, Heliantheae)   View Details Systematic Botany
Kress, Walter J., Stone, Donald E. 08/04/1983 Morphology and phylogenetic significance of exineless pollen of Heliconia (Heliconiaceae)   View Details Systematic Botany
Theriot, Edward C., Stoermer, Eugene F. 07/03/1984 Principal component analysis of variation in Stephanodiscus rotula and S, nigarae (Bacillariophyceae)   View Details Systematic Botany
Soreng, Robert J., Spellenberg, Richard W. 07/03/1984 An unusual new Chaetopappa (Asteraceae--Astereae) from New Mexico   View Details Systematic Botany
Wolf, Steven J., Denford, Keith E. 07/03/1984 Arnica gracilis (Compositae), a natural hybrid between A. latifolia and A. cordifolw   View Details Systematic Botany
Crawford, Daniel J., Smith, Edwin B. 14/05/1984 Allozyme divergence and intraspecific variation in Coreopsis grandiflora (Compositae)   View Details Systematic Botany
Patterson, Robert, Yoder-Williams, Michael P. 31/07/1984 Leptodactylon glabrum, a new intermountain species of Polemoniaceae   View Details Systematic Botany
Delgado Salinas, Alfonso, Johnston, Marshall C. 31/07/1984 A new species of Myrospermum (Leguminosae: Papilionoideae) from northeastern Mexico   View Details Systematic Botany
van der Werff, Hendrik H., Richter, H. G. 21/05/1985 Caryodaphnopsis Airy-Shaw (Lauraceae), a genus new to the neotropics   View Details Systematic Botany
Constance, Lincoln, Affolter, James M. 20/05/1987 A trio of new Tauschias (Umbelliferae) from eastern Mexico   View Details Systematic Botany
Seigler, David S., Ebinger, John E. 1988 Acacia macracantha, A. pennatula, and A. cochliacantha (Fabaceae: Mimosoideae) species complex in Mexico   View Details Systematic Botany
Brown, G. D. E., Gilmartin, Amy J. 1989 Stigma types in Bromeliaceae-A systematic survey   View Details Systematic Botany
Palací, C. A., Gilmartin, Amy J. 1989 A new species of Tillandsia (Bromeliaceae) from northwest Argentina   View Details Systematic Botany
Keil, David J., Morefield, J. 1989 Porophyllum pygmaeum (Asteraceae), a distinctive new species from southern Nevada   View Details Systematic Botany
McCourt, Richard M., Hoshaw, Robert W. 1990 Noncor-respondence of breeding groups, morphology, and monophyletic groups in Spirogyra (Zygnemataceae: Chlorophyta) and the application of species concepts   View Details Systematic Botany
Burandt, C. L., Fryxell, Paul A. 1990 A reappraisal of Abutilon reflexum (Malvaceae) and its allies   View Details Systematic Botany
Kron, Kathleen A., Judd, W. W. 1990 Phylogenetic relationships within the Rhodoreae (Ericaceae) with specific comments on the placement of Ledum   View Details Systematic Botany
Cox, P. B., Urbatsch, Lowell E. 1990 A phylogenetic analysis of the coneflower genera (Asteraceae: Heliantheae)   View Details Systematic Botany
Wilken, Dieter H., Hartman, R. 1990 A revision of the Ipomopsis spicata complex (Polemoniaceae)   View Details Systematic Botany
Bruederle, L. P., Jensen, U. 1990 Genetic differentiation of Carex flava and Carex viridula in West Europe (Cyperaceae)   View Details Systematic Botany
Lavin, Matt, Doyle, J. L. 1990 Tribal relationships of Sphinctospermum (Leguminosae): Integration of traditional and chloroplast DNA data   View Details Systematic Botany
Montagnes, R. J. S., Vitt, Dale H. 1991 Patterns of morphological variation in Meesia triquetra (Bryopsida: Meesiaceae) over an arctic-boreal gradient   View Details Systematic Botany
Freudenstein, John V., Doyle, J. L. 1994 Plastid DNA, morphological variation, and the phylogenetic species concept: The Corallorhiza maculata (Orchidaceae) complex   View Details Systematic Botany
Bohm, Bruce A., Stuessy, Tod F. 1995 Flavonoid chemistry of Bamadesioideae (Asteraceae)   View Details Systematic Botany
Bogler, David J., Simpson, B. B. 1995 A chloroplast DNA study of the Agavaceae   View Details Systematic Botany
Duncan, Thomas, Smith, Alan R. 09/01/1979 Primary basic chromosome numbers in ferns: facts or fantasies   View Details Systematic Botany
Crisci, Jorge V., Stuessy, Tod F. /11/1980 Determining primitive character states for phylogenetic reconstruction   View Details Systematic Botany
Crawford, Daniel J., Stuessy, Tod F. 26/07/1982 Robert Carl Gardner†   View Details Systematic Botany
Davis, Jerrold I., Gilmartin, Amy J. 30/10/1985 Morphological variation and speciation   View Details Systematic Botany
Rollins, Reed C., Howard, Richard A. 18/08/1987 A tribute to George R. Cooley (May 29, 1896-September 27, 1986)   View Details Systematic Botany
Panero, José L., Schilling, Edward E. 1988 Revision of Viguiera sect. Maculatae (Asteraceae: Heliantheae)   View Details Systematic Botany
Giannattasio, Robert B., Spooner, David M. 1994 A reex-amination of species boundaries between Solatium megistacrolobum and S. toralapanum (Solatium sect. Pelota, series Megistacroloba): Morphological data   View Details Systematic Botany
Baum, Vicki M., Reveal, James L., Nowicke, Joan W. 08/04/1983 Pulchranthus (Acanthaceae), a new genus from northern South America   View Details Systematic Botany
Miller, John M., Chambers, Kenton L., Fellows, Charles E. 31/07/1984 Cytogeographic patterns and relationships in the Claytonia sibirica complex (Portulacaceae)   View Details Systematic Botany
Davidse, Gerrit, Soderstrom, Thomas R., Ellis, R. P. 28/02/1986 Pohlidium petiolatum (Poaceae: Centotheceae), a new genus and species from Panama   View Details Systematic Botany
Ganders, Fred R., Bohm, Bruce A., McCormick, S. P. 1990 Flavonoid variation in Hawaiian Bidens   View Details Systematic Botany
Bruneau, A., Doyle, J. L., Palmer, J. D. 1990 A chloroplast DNA inversion as a subtribal character in the Phaseoleae (Leguminosae)   View Details Systematic Botany