Displaying 256526 - 256575 out of 267716 Object(s)

Author(s) Year Article/Chapter Title Book/Journal
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
Ford, Bruce A., Ball, P. W., Ritland, K. 1990 Allozyme diversity and genetic relationship among North American members of the short-beaked taxa of Carex sect. Vesicariae (Cyperaceae)   View Details Systematic Botany
Hernández, Héctor M. 1990 A new subgenus and a new species of Zapoteca (Leguminosae)   View Details Systematic Botany
Anderson, A. B., Balick, Michael J. 1988 Taxonomy of the Babassu complex (Orbignya spp. : Palmae)   View Details Systematic Botany
Shaw, A. Jonathan 18/08/1987 Experimental taxonomy of Weissia controversa and W. sharpii (Musci: Pottiaceae)   View Details Systematic Botany
Shaw, A. Jonathan 21/05/1985 Peristome structure in the Mitteniales (ord. nov. : Musci), a neglected novelty   View Details Systematic Botany
Peng, Ching-I 14/05/1984 Ludwigia ravenii (Onagraceae), a new species from the coastal plain of the southeastern United States   View Details Systematic Botany
Quero R., Hermilio J., Read, Robert W. 28/02/1986 A revision of the palm genus Gaussia   View Details Systematic Botany
Tanowitz, Barry D. 26/07/1982 Taxonomy of Hemizonia sect.Madiomeris (Asteraceae: Madiinae)   View Details Systematic Botany
Tanowitz, Barry D. 21/02/1985 Systematic studies in Hemizonia (Asteraceae: Madiinae): hybridization of H. fasaculata with H. Clementina and H. minthornii   View Details Systematic Botany
Ellstrand, Norman C., Levin, Donald A. /10/1980 Evolution of Oenothera laciniata (Onagraceae), a permanent translocation heterozygote   View Details Systematic Botany
Heywood, John S., Levin, Donald A. 1984 Allozyme variation in Gaillardia pulchella and G. amblyodon (Compositae): relation to morphological and chromosomal variation and to geographical isolation   View Details Systematic Botany
Schaal, Barbara A. /11/1976 Genetic diversity in Liatris cylindracea   View Details Systematic Botany
Karrfalt, Eric E., Tomb, A. S. 27/01/1983 Air spaces, secretory cavities, and the relationship between Leucophylleae (Scrophulariaceae) and Myoporaceae   View Details Systematic Botany
Shaw, A. Jonathan, Anderson, Lewis E. 23/07/1986 Morphology and homology of the peristome teeth in Hymenodon and Hymenodontopsis (Rhizogoniaceae: Musci)   View Details Systematic Botany
Potvin, C., Bergeron, Yves, Simon, Jean-Pierre 08/04/1983 A numerical taxonomic study of selected Citrus species (Rutaceae) based on biochemical characters   View Details Systematic Botany
Levy, Morris 08/04/1983 Flavone variation and subspecific divergence in Phlox pilosa (Polemoniaceae)   View Details Systematic Botany
Levy, Morris /12/1977 Minimum biosynthetic step indices as measures of comparative flavonoid affinity   View Details Systematic Botany
Crawford, Daniel J., Levy, Morris /07/1979 Flavonoid profile affinities and genetic similarity   View Details Systematic Botany
Walters, Terrence W., Decker-Walters, D. S., Posluszny, Usher, Kevan, P. G. 1990 Determination and interpretation of ('migrating allozymes among genera of the Benincaseae (Cucurbitaceae)   View Details Systematic Botany
Dickinson, T. A., Knowles, P., Parker, W. H. 1988 Data set congruence in northern Ontario tamarack (Larix laricina, Pinaceae)   View Details Systematic Botany
Bretting, Peter K., Nilsson, Sven 1988 Pollen morphology of the Martyniaceae and its systematic implications   View Details Systematic Botany
Palkovic, Lawrence A. 07/03/1979 A hybrid of Gunnera from Costa Rica   View Details Systematic Botany
Hart, Charles R. /01/1980 The systematics of the Bidens ferulae folia complex (Compositae)   View Details Systematic Botany
Murrel, Z. E. 1993 Phylogenetic relationships in Cornus (Cornaceae)   View Details Systematic Botany
Bloom, William L. /09/1977 Chromosomal differentiation between Cirsium discolor and C. muticum and origin of supernumerary chromosomes   View Details Systematic Botany
Lindsey, Anne H. /03/1982 Floral phenology patterns and breeding systems in Thaspium and Zizia   View Details Systematic Botany