Notes on the genus Polystichum (Dryopteridaceae) in Bolivia, with descriptions of ten new species Michael KesslerAlan R. SmithMichael Sundue Taxonomy Pages: 205 - 227
Reconsideration of Alsophila odonelliana (Cyatheaceae), an Andean tree fern Marcus Lehnert Taxonomy Pages: 228 - 236
Blechnum obtusum (Blechnaceae), a new species from western Venezuela Robbin C. MoranAlan R. Smith Taxonomy Pages: 237 - 239
Three new species of Dendropanax (Araliaceae) from Bahia, Brazil Pedro Fiaschi Taxonomy Pages: 240 - 247
Discocarpus pedicellatus, a new species of Phyllanthaceae (Euphorbiaceae s.l.) from southern Bahia, Brazil Pedro FiaschiInês Cordeiro Taxonomy Pages: 248 - 251
A new species of Ponthieva (Orchidaceae, Cranichidinae) from Veracruz, Mexico Gerardo A. Salazar Taxonomy Pages: 252 - 254
Bulbophyllum wuzhishanensis (Orchidaceae), a new species from Hainan, China Jin Xiaohua Taxonomy Pages: 255 - 257
Estudios en las Apocynaceae Neotropicales XV: Sinopsis del género Thoreauea (Apocynoideae, Echiteae), con una nueva especie de Veracruz, México J. Francisco Morales Taxonomy Pages: 258 - 263
Taxonomic status of Cuscuta nevadensis and C. veatchii (Convolvulaceae) in North America Mihai CosteaGuy L. NesomFrançois J. Tardif Taxonomy Pages: 264 - 272
Typification of seabeach amaranth, Amaranthus pumilus (Amaranthaceae) James A. MacklinGerry MooreJames C. Lendemer Nomenclature Pages: 273 - 275
Wood anatomy of Gentianaceae, tribe Helieae, in relation to ecology, habit, systematics, and sample diameter Sherwin CarlquistJason R. Grant Structural Botany Pages: 276 - 291
Amos Arthur Heller’s Puerto Rico plant collecting itineraries of 1900 and 1902–1903 and their utility for the historical study of endangered plants Eugenio Santiago-Valentín Hotanical History Pages: 292 - 294
