Displaying 256176 - 256225 out of 267716 Object(s)

Author(s) Year Article/Chapter Title Book/Journal
Brauner, S., Gottlieb, L. D. 20/05/1987 A self-compatible plant of Stephanomeria exigua subsp. coronaria (Asteraceae) and its relevance to the origin of its self-pollinating derivative S. malheurensis   View Details Systematic Botany
Nicholls, K. W., Bohm, Bruce A. 20/05/1987 Flavonoids of Lupinus sects. Platycarpos and Lupinellus (Fabaceae)   View Details Systematic Botany
Varadarajan, G. S., Forero, Enrique 18/08/1987 Genus Pitcairnia (Bromeliaceae): new taxa from Colombia, nomen-clatural changes, and species complexes   View Details Systematic Botany
Manos, Paul S., Fairbrothers, David E. 18/08/1987 Allozyme variation in populations of six northeastern American red oaks (Fagaceae: Quercus subg. Erythrobalanus)   View Details Systematic Botany
Holsinger, Kent E., Gottlieb, L. D. 1988 Isozyme variability in the tetraploid Clarkia gracilis (Onagraceae) and its diploid relatives   View Details Systematic Botany
Schilling, Edward E., Spooner, David M. 1988 Floral flavonoids and the systematics of Simsia (Asteraceae: Heliantheae)   View Details Systematic Botany
Thomas, W., Davidse, Gerrit 1989 Koyamaea neblinensis, a new genus and species of Cyperaceae (Sclerioideae) from Cerro de la Neblina, Venezuela and Brazil   View Details Systematic Botany
Excurra, C., de Azkue, D. 1989 Validation and genetic and morphological relationships oi Ruellia macrosolen (Acanthaceae) from southern South America   View Details Systematic Botany
Ford, V. S., Gottlieb, L. D. 1989 Morphological evolution in Layia (Compositae): Character recombination in hybrids between L. discoidea and L. glandulosa   View Details Systematic Botany
Miller, J. S., Nowicke, J. W. 1989 Sectional placement of some problematic Cordia species (Boraginaceae)   View Details Systematic Botany
Reeder, John R., Toolin, L. J. 1989 Notes on Pappophorum (Gramineae: Pappophoreae)   View Details Systematic Botany
Doyle, J. L., Brown, A. H. D. 1989 5S nuclear ribosomal gene variation in the Glycine tomentella polyploid complex (Leguminosae)   View Details Systematic Botany
de Pamphilis, C. W., Wyatt, R. 1989 Hybridization and introgression in buckeyes (Aesculus: Hippocastanaceae): A review of the evidence and a hypothesis to explain long-distance gene flow   View Details Systematic Botany
Judziewicz, Emmet J., Peterson, P. M. 1989 Sporobolus temomairemensis (Poaceae: Eragrostideae): A new species from Northern South America   View Details Systematic Botany
Loconte, Henry R., Estes, James R. 1989 Phylogenetic systematics of Berberidaceae and Ranunculales (Magnoliidae)   View Details Systematic Botany
Brauner, S., Gottlieb, L. D. 1989 Response to selection for time of bolting in Stephanomeria exigua subsp. coronaria and implications for the origin of S. malheurensis (Asteraceae)   View Details Systematic Botany
Campbell, C. S., Dickinson, T. A. 1990 Apomixis, patterns of morphological variation and species concepts in subfam. Maloideae (Rosaceae)   View Details Systematic Botany
Spellenberg, Richard W., Powell, Albert Michael 1990 A new species of Perityle (Asteraceae) from Southwestern Chihuahua, Mexico   View Details Systematic Botany
Cosner, M. B., Crawford, Daniel J. 1990 Allozyme variation in Coreopsis sect. Coreopsis (Compositae)   View Details Systematic Botany
Evert, E., Constance, Lincoln 1982 Shoshonea pulvinata, a new genus and species of Umbelliferae from Wyoming   View Details Systematic Botany
Haynes, Robert R., Holm-Nielsen, Lauritz B. 1982 A new species of Potamogeton (Potamogetonaceae) from the Northern Andes   View Details Systematic Botany
Robinson, H., Burns-Balogh, Pamela 1982 Evidence for a primitively epiphytic habit in Orchidaceae   View Details Systematic Botany
Watson, L. E., Estes, James R. 1990 Biosystematic and phenetic analysis Marshallia (Asteraceae)   View Details Systematic Botany
Webster, Grady L., Armbruster, W. S. 1982 An unusual new species of Dalechampia (Euphorbiaceae) from Surinam   View Details Systematic Botany
Crawford, Daniel J., Smith, E. B. 1982 Allozyme divergence between Coreopsis basalis and C. wrightii (Compositae)   View Details Systematic Botany
Duvall, M. R., Doebley, J. F. 1990 Restriction site variation in the chloroplast genome of Sorghum (Poaceae)   View Details Systematic Botany
Keeley, Sterling C., Jansen, R. K. 1990 Evidence from chloroplast DNA for the recognition of a new tribe, the Tarchonantheae, and the tribal placement of Pluchea (Asteraceae)   View Details Systematic Botany
Wyatt, Robert, Hunt, D. M. 1990 Hybridization in North American Asclepias. II. Flavonoid Evidence   View Details Systematic Botany
Piovano, M., Bernardello, L. M. 1990 Chromosome numbers in Argentinean Acanthaceae   View Details Systematic Botany
Davis, J. W., Manos, P. S. 1991 Isozyme variation and species delimitation in the Puccinettia nuttalliana complex (Poaceae): An application of the phylogenetic species concept   View Details Systematic Botany
Soltis, Pamela S., Soltis, Douglas E. 1991 Multiple origins of the allotetraploid Tragopogon mirus (Compositae): rDNA evidence   View Details Systematic Botany
Strand, A. E., Wyatt, R. 1991 Geographical variation and biosystematics of sand myrtle, Leiophyllum buxifolium (Ericaceae)   View Details Systematic Botany
Watano, Y., Masuyama, S. 1991 Inbreeding in natural populations of the annual polyploid fern Ceratopteris thalictroides (Parkeriaceae)   View Details Systematic Botany
Chuang, T. I., Heckard, L. R. 1991 Generic realignment and synopsis of subtribe Castillejinae (Scrophulariaceae - tribe Pediculareae)   View Details Systematic Botany
Londoño, Ximena, Peterson, P. M. 1991 Guadua sarcocarpa (Poaceae: Bambuseae), a new species of Amazonian bamboo with fleshy fruits   View Details Systematic Botany
Judziewicz, Emmet J., Zuloaga, Fernando O. 1992 Olyra davidseana (Poaceae: Bambusoideae: Olyreae), a new species from Brazil   View Details Systematic Botany
Wendel, Jonathan F., Albert, V. A. 1992 Phylogenetics of the cotton genus (Gossypium): Character-state weighted parsimony analysis of chloroplast-DNA restriction site data and its systematic and biogeographic implications   View Details Systematic Botany
Hufford, Larry, Dickison, William C. 1992 A phylogeneuc analysis of Cunoniaceae   View Details Systematic Botany
Hibbett, D. S., Vilgalys, Rytas 1993 Phylogenetic relationships of Lentinus (Basidiomycotina) inferred from molecular and morphological characters   View Details Systematic Botany
Sanderson, M. J., Doyle, J. 1993 Phylogenetic relationships in North American Astragalus (Fabaceae) based on chloroplast DNA restriction site variation   View Details Systematic Botany
Larson, S. R., Doebley, J. 1994 Restriction site variation in the chloroplast genome of Tripsacum (Poaceae): Phylogeny and rates of sequence evolution   View Details Systematic Botany
Mummenhoff, K., Koch, M. 1994 Chloroplast DNA restriction site variation and phylogenetic relationships in the genus Thlaspi sensu lato (Brassicaceae)   View Details Systematic Botany
Steele, K. P., Vilgalys, Rytas 1994 Phylogenetic analyses of Polemoniaceae using nucleotide sequence of the plastid gene matK   View Details Systematic Botany
Edwards, A. L., Wyatt, R. 1994 Population genetics of the rare Asclepias texana and its widespread sister species, A. perennis   View Details Systematic Botany
Smith, J. F., Sytsma, K. J. 1994 Evolution in the Andean epiphytic genus Columnea (Gesneriaceae). I. . Morphological variation   View Details Systematic Botany
Smith, J. F., Sytsma, K. J. 1994 Evolution in the Andean epiphytic genus Columnea (Gesneriaceae). II. Chloroplast DNA restriction site variation   View Details Systematic Botany
Desrochers, A. M., Bohm, Bruce A. 1995 Biosystematic study of Laslhenia californica (Asteraceae)   View Details Systematic Botany
Urbatsch, Lowell E., Jansen, R. K. 1995 Phylogenetic affinities among and within the coneflower genera (Asteraceae, Heliantheae), a chloroplast DNA analysis   View Details Systematic Botany
Goldblatt, Peter, Manning, J. C. 1995 Phylogeny of the african genera Anomatheca and Freesia (Iridaceae: Ixioideae), and a new genus Xenoscapa   View Details Systematic Botany
Purddy, B. G., Bayer, R. J. 1995 Ailozyme variation in the Athabasca sand dune endemic, Salix silicicola, and the closely related widespread species, S. alaxensis   View Details Systematic Botany