Novon publishes peer-reviewed, short articles, whose primary purpose is the establishment of nomenclature in vascular plants and bryophytes.

CONTENTS OF NOVON 11(1)

New Combinations and New Names in Some Brazilian Microlicieae (Melastomataceae), with Notes on the Delimitation of Lavoisiera, Microlicia, and Trembleya. Frank Almeda and Angela B. Martins

Passiflora tarminiana, a New Cultivated Species of Passiflora subgenus Tacsonia (Passifloraceae). Geo Coppens d’Eeckenbrugge, Victoria E. Barney, Peter Møller Jørgensen, and John M. MacDougal

A New Species of Commelina (Commelinaceae) from Tanzania. Robert B. Faden and Mac H. Alford

New Taxa of Murdannia (Commelinaceae) from Sri Lanka. Robert B. Faden

A New Species of Tradescantia (Commelinaceae) from Costa Rica. Robert B. Faden

Paspalum burmanii (Poaceae: Paniceae), a New Species from Central Brazil. Tarciso S. Filgueiras, Osvaldo Morrone, and Fernando O. Zuloaga

A New Species of Encholirium (Bromeliaceae) from Minas Gerais, Brazil. Rafaela Campostrini Forzza and Maria das Graças L. Wanderley

New Names in African Celastraceae and Rutaceae. Roy E. Gereau

Eleocharis aestuum (Cyperaceae), a New Tidal River Shore Spikesedge of the Eastern United States. Arthur Haines

Beaucarnea sanctomariana (Nolinaceae), a New Micro-Endemic Species of Ponytail Palm from the Isthmus of Tehuantepec, Oaxaca, Mexico. Luis Hernández-Sandoval

Buckiella, a New Genus in the Hypnaceae (Musci). Robert R. Ireland

Hydrocharitaceae from Central Brazil: A New Species of Egeria and a Note on Apalanthe granatensis. Samantha Koehler and Claudia Petean Bove

Further Nomenclatural Innovations in World Campanulaceae. Thomas G. Lammers

Two New Species of Passionflower (Passiflora, Passifloraceae) from Southwestern Mexico. John M. MacDougal

Lectotypifications in the Genus Tococa Aublet (Melastomataceae). Fabián A. Michelangeli

Three New Species of Prosopidastrum (Mimosaceae) from Argentina. Ramón A. Palacios and Patricia S. Hoc

A New Species of Anthurium (Araceae) from Chiapas, Mexico. Miguel Angel Pérez-Farrera and Thomas B. Croat

A New Species of Podostemum (Podostemaceae) from the States of Paraná and Santa Catarina, Brazil. C. Thomas Philbrick and Alejandro Novelo R.

Ianthopappus, a New Genus of the Tribe Mutisieae (Compositae). N. Roque and D.J.N. Hind

Two New Species of Philodendron (Araceae) from Brazil. Cássia M. Sakuragui

New Ouratea Species (Ochnaceae) from Venezuela and Adjacent Countries. Claude Sastre

Croton diasii and Croton trombetensis, Two New Euphorbiaceae from Amazonian Brazil. Ricardo de S. Secco, Paul E. Berry, and Nélson A. Rosa

Rubiacearum Americanarum Magna Hama Pars I.1 A New Species of Chomelia from Panama. David H. Lorence and Charlotte M. Taylor

Rubiacearum Americanarum Magna Hama Pars II. New and Newly Circumscribed Taxa of Guettarda (Guettardeae). Charlotte M. Taylor and David H. Lorence

Rubiacearum Americanarum Magna Hama Pars III. Five New Species and a New Subspecies of Coussarea (Coussareae) from Central America and Colombia. Charlotte M. Taylor

Una Especie Nueva de Bauhinia (Fabaceae: Caesalpinioideae: Cercideae) de Panamá. Rafael Torres Colín

A New Species of Cyrtandra (Gesneriaceae) from Kaua‘i, Hawaiian Islands. Warren L. Wagner, Kenneth R. Wood, and David H. Lorence

Four New Combinations in the Genus Nasa (Loasaceae). Maximilian Weigend