| Robinson, H. |
1989
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A revision of the genus Dresslerothamnus (Asteraceae: Senecioneae)
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Systematic Botany
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| Simpson, Beryl Britnall |
1989
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Pollination biology and taxonomy of Dinemandra and Dinemagonum (Malpighiaceae)
View Details
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Systematic Botany
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| Skog, S. E. |
1989
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Novae Gesneriaceae Neotropicarum II. A new species of Nautilocalyx from Venezuela
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Systematic Botany
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| Harriman, Neil A. |
1989
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Aldama mesoamericana (Asteraceae: Heliantheae), a new species from Nicaragua
View Details
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Systematic Botany
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| Smith, E. B. |
1989
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A biosystematic study and revision of the genus Coreocarpus (Compositae)
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Systematic Botany
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| Strother, John L. |
1989
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Oblivia, a new genus for Zexmenia mikanioides (Compositae: Heliantheae)
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Systematic Botany
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| Strother, John L. |
1989
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Expansion of Lundellianthus (Compositae: Heliantheae)
View Details
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Systematic Botany
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| Urbatsch, Lowell E. |
1989
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Vernonia proctorii (Asteraceae: Vernonieae), a new species from Puerto Rico
View Details
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Systematic Botany
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| Hardin, James W. |
1990
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Variation patterns and recognition of varieties of Tilia americana s. l
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Systematic Botany
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| Kellogg, Elizabeth Anne |
1990
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Variation and species limits in agamospermous grasses
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Systematic Botany
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| Gentry, Alwyn H. |
1990
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Sphingiphila (Bignoniaceae), a new genus for the Paraguayan Chaco
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Systematic Botany
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| Ornduff, Robert |
1990
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A new species of Villarsia (Menyanthaceae) from the Porongurup Range, Western Australia
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Systematic Botany
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| Standley, Lisa A. |
1990
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Allozyme evidence for the hybrid origin of the maritime species Carex salina and Carex recta (Cyperaceae) in eastern North America
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Systematic Botany
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| Grether, Rosaura |
1990
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Two new taxa of Mimosa (Leguminosae) from Oaxaca, Mexico
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Systematic Botany
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| Judziewicz, Emmet J. |
1990
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A new South American species of Sacciolepis (Poaceae: Panicoideae: Paniceae), with a summary of the genus in the New World
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Systematic Botany
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| Lane, Meredith A. |
1990
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Generic limits of Xanthocephalum, Gutierrezia, Amphiachyris, Gymnosperma, Greenella, and Thurovia (Compositae: Astereae)
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Systematic Botany
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| McDade, Lucinda A. |
1982
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New species of Justicia and Razisea (Acanthaceae) from Costa Rica, with taxonomic notes
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Systematic Botany
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| Nesom, Guy L. |
1982
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Systematics of the Erigeron rusbyi group (Asteraceae) and delimitation of sect. Peregrinus
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Systematic Botany
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| Sanderson, M. J. |
1991
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Phylogenetic relationships within North American Astragalus L. (Fabaceae)
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Systematic Botany
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| Soreng, Robert J. |
1991
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Systematics of the 'Epiles' group of Poa (Poaceae)
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Systematic Botany
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| Luteyn, James L. |
1991
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A synopsis of the genus Didonica (Ericaceae: Vaccinieae) with two new species
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Systematic Botany
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| Robinson, H. |
1991
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A review of the genus Macvaughiella (Eupatorieae: Asteraceae) with two new species
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Systematic Botany
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| Robinson, H. |
1991
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Two new species of Stiffiia with notes on relationships of the genus (Asteraceae:Mutisieae)
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Systematic Botany
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| Doyle, J. L. |
1992
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Gene trees and species trees: Molecular systematics as one-character taxonomy
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Systematic Botany
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| Levin, Geoffrey A. |
1992
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Systematics of Paradrypetes (Euphorbiaceae)
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Systematic Botany
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| Malusa, J. |
1992
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Phytogeny and biogeography of the pinyon pines (Pinus subsect. Cembroides)
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Systematic Botany
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| — |
1992
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Experimental hybridization and chromosome homologies in Boisduvalia sect. Boisduvalia (Onagraceae)
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Systematic Botany
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| Whitkus, Richard |
1992
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Allozyme variation within the Carex pachystachya complex (Cyperaceae)
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Systematic Botany
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| Morefield, James D. |
1992
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Resurrection and revision of Hesperevax (Asteraceae: Inuleae)
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Systematic Botany
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| Case, M. A. |
1993
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High levels of allozyme variation within Cypripedium calceolus (Orchidaceae) and low levels of divergence among its varieties
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Systematic Botany
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| Arnow, L. |
1994
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Koeleria macrantha and K. pyrami-daía (Poaceae): Nomenclatural problems and biological distinctions
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Systematic Botany
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| Karis, P. O. |
1995
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Cladistics of the subtribe Ambrosiinae (Asteraceae: Heliantheae)
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Systematic Botany
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| Hinton, W. F. |
09/06/1976
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Introgression and the evolution of selfing in Calyptridium monospermum (Portulacaceae)
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Systematic Botany
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| Ornduff, Robert |
09/06/1976
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The reproductive system of Amsinckia grandifiora, a distylous species
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Systematic Botany
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| Young, David A. |
/11/1976
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Flavonoid chemistry and the phylogenetic relationships of the Julianiaceae
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Systematic Botany
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| Graham, Shirley A. |
/09/1977
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The American species of Nesaea (Lythraceae) and their relationships to Heimia and Decodon
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Systematic Botany
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| Lee, Yoo S. |
05/05/1978
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An immunoelectrophoretic comparison of three species of Coffea
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Systematic Botany
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| Vasek, Frank C. |
/07/1978
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Phenotypic variation and adaptation in Clarkia section Phaeostoma
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Systematic Botany
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| Schoen, D. J. |
/07/1978
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Morphological, phenological, and pollendistribution evidence of autogamy and xenogamy in Gilia achilleifolia (Polemoniaceae)
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Systematic Botany
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| Lee, Sangtae |
09/01/1979
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A factor analysis study of the functional significance of angiosperm pollen
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Systematic Botany
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| Weller, Stephen G. |
09/01/1979
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Dispersal patterns and the evolution of distyly in Oxalis alpina
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Systematic Botany
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| Whalen, Michael D. |
09/01/1979
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Reproductive character displacement and floral diversity in Solanum section Androceras
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Systematic Botany
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| Weller, Stephen G. |
/10/1979
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Variation in heterostylous reproductive systems among populations of Oxalis alpina in southeastern Arizona
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Systematic Botany
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| Whalen, Michael D. |
/04/1980
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Allozyme variation and evolution in Solanum section Androceras
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Systematic Botany
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| Andrus, Richard E. |
27/05/1980
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Sphagnum subtile (Russow) Warnst. and allied species in North America
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Systematic Botany
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| Wells, Elizabeth F. |
27/05/1980
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Interspecific hybridization in eastern North American Heuchera (Saxifragaceae)
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Systematic Botany
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| Canne, Judith M. |
/06/1981
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Seed surface features in Aureolaría, Brachystigma, Tomanthera, and certain South American Agalinis (Scrophulariaceae)
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Systematic Botany
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| Miller, John M. |
/08/1981
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Flavonol glycoside variation in diploids of the Claytonia perfoliata complex (Portulacaceae)
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Systematic Botany
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| Lee, Yoo S. |
/10/1981
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Serological investigations in Ambrosia (Compositae: Ambrosieae) and relatives
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Systematic Botany
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| Wofford, B. E. |
/10/1981
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External seed morphology of Arenaria (Caryophyllaceae) of the southeastern United States
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Systematic Botany
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| Kress, Walter J. |
/10/1981
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Sibling competition and evolution of pollen unit, ovule number, and pollen vector in angiosperms
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Systematic Botany
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| Gilmartin, Amy J. |
/12/1981
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Morphological variation within five angiosperm families: Asclepiadaceae, Bromeliaceae, Melastomataceae, Piperaceae, and Rubiaceae
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Systematic Botany
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| Semple, John C. |
/03/1982
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Observations on morphology and cytology of Aster hemisphaericus, A. paludosus, and A. chapmanii (Asteraceae) with comments on chromosomal base number and phylogeny of Aster subg, Aster sect. Heleastrum.
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Systematic Botany
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| Koptur, Suzanne |
26/10/1983
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Flowering phenology and floral biology of Inga (Fabaceae: Mimosoideae)
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Systematic Botany
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| Wynne, Michael James |
21/02/1985
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Taxonomic delineation of Phycodrina (Delesseriaceae, Rhodophyta), a new genus endemic to the Galápagos
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Systematic Botany
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| Haufler, Christopher H. |
21/02/1985
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Enzyme variability and modes of evolution in Bommeria (Pteridaceae)
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Systematic Botany
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| Elisens, Wayne J. |
13/08/1985
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The systematic significance of seed coat anatomy among New World species of tribe Antirrhineae (Scrophulariaceae)
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Systematic Botany
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| DiMichele, William A. |
30/10/1985
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Diaphorodendron, gen. nov. , a segregate from Lepidodendron (Pennsylvania age)
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Systematic Botany
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| Mishler, Brent D. |
28/02/1986
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Ontogeny and phylogeny in Tortula (Musci: Pottiaceae)
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Systematic Botany
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| Johnson, David M |
28/02/1986
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Trophopods in North American species of Athyrium (Aspleniaceae)
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Systematic Botany
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| Levin, Geoffrey A. |
1986
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Systematic foliar morphology of Phyllanthoideae (Euphorbiaceae). III. Cladistic analysis
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Systematic Botany
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| Wagner, Florence S. |
19/02/1987
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Evidence for the origin of the hybrid cliff fern, Woodsia x abbeae (Aspleniaceae: Athyrioideae)
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Systematic Botany
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| Park, Chong Wook |
19/02/1987
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Flavonoid chemistry of Polygonum sect. Echinocaulon: a systematic survey
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Systematic Botany
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| Rosatti, Thomas J. |
19/02/1987
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Field and garden studies of Arctostaphylos uvaursi (Ericaceae) in North America
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Systematic Botany
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| Halling, Roy E. |
18/08/1987
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Studies on Marasmiellus (Tricholomataceae) in the United States, I. A new species and a new combination
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Systematic Botany
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| Miller, Harvey A. |
1988
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Pacific bryophytes: 4. Epipterygium in southern Melanesia
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Systematic Botany
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| Hufford, Larry |
1988
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Seed morphology of Eucnide and other Loasaceae
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Systematic Botany
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| Lew, D. |
1988
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The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), II. Fruit variation and systematics of the 'spinymargined' group
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Systematic Botany
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| Les, D. L. |
1988
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The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), III. Relationships of the 'Facially-spined' group
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Systematic Botany
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| Les, D. L. |
1989
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The evolution of achene morphology in Ceratophyllum (Ceratophyllaceae), IV. Summary of proposed relationships and evolutionary trends
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Systematic Botany
|
| Wilson, H. M. |
1989
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Discordant patterns of allozyme and morphological variation in Mexican Cucurbita
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Systematic Botany
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| Mishler, Brent D. |
1990
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Reproductive biology and species distinctions in the moss genus Tortula, as represented in Mexico
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Systematic Botany
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| Vickery, Robert K. |
1990
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Close correspondence of allozyme groups to geographic races in the Mimulus glabratus complex (Scrophulariaceae)
View Details
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Systematic Botany
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| Werth, C. R. |
1991
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Isozyme studies on the Dryopteris 'spinulosa' complex, I: The origin of the log fern Dryopteris celsa
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Systematic Botany
|
| Manchester, Steven R. |
1991
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Cruciptera, a new Juglandaceous winged fruit from the Eocene and Oligocène of western North America
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Systematic Botany
|