Revision of Vernonia section Eremosis (Compositae) in North America Samuel B. Jones OriginalPaper Pages: 86 - 115
Correllia (Compositae: Peritylinae) : A new monotypic genus from southern Chihuahua, Mexico A. Michael Powell OriginalPaper Pages: 116 - 118
The information system design for the Flora North America Program Harriet Meadow Krauss OriginalPaper Pages: 119 - 134
Taxonomy of Cordylanthus subgenus Hemistegia (Scrophulariaceae) T. I. ChuangL. R. Heckaed OriginalPaper Pages: 135 - 158
Acronema johrianum Babu (Apiaceae) : A new species from the Himalayas of Nepal C. R. Babu OriginalPaper Pages: 159 - 161
Chemical and morphological evolution in Parmelia sect. Hypotrachyna: Product of ancient hybridization? Chicita F. CulbersonMason E. Hale OriginalPaper Pages: 162 - 173
A new Venezuelan species of Cordia sect. Gerascanthus (Boraginaceae) Getulio Agostini OriginalPaper Pages: 174 - 176
A taximetric study of infraspecific variation in autogamous Limnanthes floccosa (Limnanthaceae) Mary T. Kalin Arroyo OriginalPaper Pages: 177 - 191
A biosystematic study of Coreopsis saxicola (Compositae) Edwin B. Smith OriginalPaper Pages: 200 - 208