海量图书期刊资源,随时随地畅享阅读乐趣
Taxonomy of Cordylanthus Subgenus Hemistegia (Scrophulariaceae)T. I. Chuang and L. R. Heckard · Brittonia · 1973
Chromosome Numbers and Polyploidy in Orobanche (Orobanchaceae)L. R. Heckard and T. I. Chuang · Brittonia · 1975
Nomenclatural Changes of Some Californian Castilleja (Scrophulariaceae)T. I. Chuang and L. R. Heckard · Novon · 1992
TAXONOMIC STATUS OF CORDYLANTHUS (SUBG. DICRANOSTEGIA) ORCUTTIANUS (SCROPHULARIACEAE)T. I. Chuang and L. R. Heckard · Madroño · 1975
A Taxonomic Revision of Orthocarpus (Scrophulariaceae-Tribe Pediculareae)T. I. Chuang and L. R. Heckard · Systematic Botany · 1992
Generic Realignment and Synopsis of Subtribe Castillejinae (Scrophulariaceae-Tribe Pediculareae)T. I. Chuang and L. R. Heckard · Systematic Botany · 1991
RE-EVALUATION OF BRACT MORPHOLOGY IN TAXONOMY OF CORDYLANTHUS (SCROPHULARIACEAE)T. I. Chuang and L. R. Heckard · Madroño · 1975
Neotropical Lycopodiaceae-An OverviewBenjamin Ollgaard · Annals of the Missouri Botanical Garden · 1992
The Genus Wittmackanthus (Rubiaceae)Julian A. Steyermark and Joseph H. Kirkbride, Jr. · Annals of the Missouri Botanical Garden · 1975
A Revision of Syngonium (Araceae)Thomas B. Croat · Annals of the Missouri Botanical Garden · 1981
A History of Botanical NomenclatureDan H. Nicolson · Annals of the Missouri Botanical Garden · 1991
Biogeography of the BeesCharles D. Michener · Annals of the Missouri Botanical Garden · 1979
Systematics of Zapoteca (Leguminosae)Hector M. Hernandez · Annals of the Missouri Botanical Garden · 1989
Form and Function in Angiosperm PollenJan Muller · Annals of the Missouri Botanical Garden · 1979
Biological Extinction in Western EcuadorC. H. Dodson and A. H. Gentry · Annals of the Missouri Botanical Garden · 1991