Displaying 256501 - 256525 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