Novon publishes peer-reviewed, short articles, whose primary purpose is the establishment of nomenclature in vascular plants and bryophytes.
CONTENTS OF NOVON 18(4)
Habenaria pseudoglaucophylla (Orchidaceae), a New Species from Minas Gerais, Brazil. Joao Aguiar Nogueira Batista, Rubens Custodio da Mota, Narjara Lopes de Abreu and Luiz Menini Neto
Neotypification of Agropyron deweyi (Poaceae, Triticeae). Bernard R. Baum, Chi Yen and Jun Liang Yang
Neotypification of Roegneria caucasica, the Type of Roegneria, (Poaceae, Triticeae). Bernard R. Baum, Chi Yen and Jun Liang Yang
A New Threatened Species of Pandanaceae from Northwestern Madagascar, Pandanus sermolliana. Martin W. Callmander, Sven Buerki and Sebastien Wohlhauser
A New Species of Malaxis (Orchidaceae, Epidendroideae, Malaxideae) from the Venezuelan Andes. German Carnevali F. C. and Eliana J. Noguera Savelli
New Species of Philodendron (Araceae) from Bajo Calima, Colombia. Thomas B. Croat, Dorothy C. Bay and Emily D. Yates
Two New Species with Pendulous Fruits in Hesperis (Brassicaceae) from South Anatolia, Turkey. Ahmet Duran
A New Species of Draba (Brassicaceae) from North Anatolia, Turkey. Ahmet Duran, Muhittin Dinc and Esra Martin
New Species of Commelina (Commelinaceae) from East and South-central Africa. Robert B. Faden
Lectotypification of Allium tel avivense (Liliaceae) Endemic to Israel. Nir L. Gilad
Neotypification of Rumex aeroplaniformis (Polygonaceae) Endemic to Israel. Nir L. Gilad
Rubiacearum Americanarum Magna Hama Pars XXI. A New Species of Palicourea (Psychotrieae) from Costa Rica. Alex C. Gilman and Charlotte M. Taylor
A New Species of Hampeella (Musci, Ptychomniaceae) from Queensland, Australia. Robert A. Hattaway and D. H. Norris
Validation of Berberis chunanensis (Berberidaceae), the Name of a Species Endemic to Zhejiang, Eastern China. Jin XiaoFeng, Ding BingYang and Wang HuiZhong
Ceradenia itatiaiensis, a New Species of Polypodiaceae from Southeastern Brazil. Paulo Henrique Labiak and Joao Paulo S. Condack
A New Species of Microtropis (Celastraceae) from Xizang, China. Qinwen Lin and Zhixiang Zhang
New Combinations for Arceuthobium aureum (Viscaceae) in Mexico and Central America. Robert L. Mathiasen
A New Combination in Clinopodium (Lamiaceae) from Mesoamerica and Cuba. Amy Pool
Four New Species of Peruvian Gentianella (Gentianaceae). James S. Pringle
A New Species of Nama (Hydrophyllaceae) in Guatemala. Jon M. Ricketson
Paneroa, a New Genus of Eupatorieae (Asteraceae) from Mexico. Edward E. Schilling
Acknowledgement of Reviewers
Author Index (Vol. 18)
Subject Index (Vol. 18)