Displaying 256351 - 256375 out of 267716 Object(s)

Author(s) Year Article/Chapter Title Book/Journal
Simpson, Beryl Britnall 1989 Pollination biology and taxonomy of Dinemandra and Dinemagonum (Malpighiaceae)   View Details Systematic Botany
Skog, S. E. 1989 Novae Gesneriaceae Neotropicarum II. A new species of Nautilocalyx from Venezuela   View Details Systematic Botany
Harriman, Neil A. 1989 Aldama mesoamericana (Asteraceae: Heliantheae), a new species from Nicaragua   View Details Systematic Botany
Smith, E. B. 1989 A biosystematic study and revision of the genus Coreocarpus (Compositae)   View Details Systematic Botany
Strother, John L. 1989 Oblivia, a new genus for Zexmenia mikanioides (Compositae: Heliantheae)   View Details Systematic Botany
Strother, John L. 1989 Expansion of Lundellianthus (Compositae: Heliantheae)   View Details Systematic Botany
Urbatsch, Lowell E. 1989 Vernonia proctorii (Asteraceae: Vernonieae), a new species from Puerto Rico   View Details Systematic Botany
Hardin, James W. 1990 Variation patterns and recognition of varieties of Tilia americana s. l   View Details Systematic Botany
Kellogg, Elizabeth Anne 1990 Variation and species limits in agamospermous grasses   View Details Systematic Botany
Gentry, Alwyn H. 1990 Sphingiphila (Bignoniaceae), a new genus for the Paraguayan Chaco   View Details Systematic Botany
Ornduff, Robert 1990 A new species of Villarsia (Menyanthaceae) from the Porongurup Range, Western Australia   View Details Systematic Botany
Standley, Lisa A. 1990 Allozyme evidence for the hybrid origin of the maritime species Carex salina and Carex recta (Cyperaceae) in eastern North America   View Details Systematic Botany
Grether, Rosaura 1990 Two new taxa of Mimosa (Leguminosae) from Oaxaca, Mexico   View Details Systematic Botany
Judziewicz, Emmet J. 1990 A new South American species of Sacciolepis (Poaceae: Panicoideae: Paniceae), with a summary of the genus in the New World   View Details Systematic Botany
Lane, Meredith A. 1990 Generic limits of Xanthocephalum, Gutierrezia, Amphiachyris, Gymnosperma, Greenella, and Thurovia (Compositae: Astereae)   View Details Systematic Botany
McDade, Lucinda A. 1982 New species of Justicia and Razisea (Acanthaceae) from Costa Rica, with taxonomic notes   View Details Systematic Botany
Nesom, Guy L. 1982 Systematics of the Erigeron rusbyi group (Asteraceae) and delimitation of sect. Peregrinus   View Details Systematic Botany
Sanderson, M. J. 1991 Phylogenetic relationships within North American Astragalus L. (Fabaceae)   View Details Systematic Botany
Soreng, Robert J. 1991 Systematics of the 'Epiles' group of Poa (Poaceae)   View Details Systematic Botany
Luteyn, James L. 1991 A synopsis of the genus Didonica (Ericaceae: Vaccinieae) with two new species   View Details Systematic Botany
Robinson, H. 1991 A review of the genus Macvaughiella (Eupatorieae: Asteraceae) with two new species   View Details Systematic Botany
Robinson, H. 1991 Two new species of Stiffiia with notes on relationships of the genus (Asteraceae:Mutisieae)   View Details Systematic Botany
Doyle, J. L. 1992 Gene trees and species trees: Molecular systematics as one-character taxonomy   View Details Systematic Botany
Levin, Geoffrey A. 1992 Systematics of Paradrypetes (Euphorbiaceae)   View Details Systematic Botany
Malusa, J. 1992 Phytogeny and biogeography of the pinyon pines (Pinus subsect. Cembroides)   View Details Systematic Botany