Novon is a peer-reviewed botanical journal whose purpose is to publish articles establishing new nomenclature, including new taxa and new names, for vascular plants and bryophytes.

CONTENTS OF NOVON 28(4)

Studies in Neotropical Araliaceae. VI. Addendum
Porter P. Lowry II, Gregory M. Plunkett & M. Marcela Mora

Neotypification of the Interspecific Hybrid Pterocarya ×rehderiana (Juglandaceae) Originating at the Arnold Arboretum
Jared Rubinstein & Michael Dosmann

Two New Species of Begonia sect. Erminea (Begoniaceae) from the Masoala Peninsula, Madagascar
David Scherberich

Eremitis berbertii and E. fluminensis (Poaceae, Bambusoideae): New Species from the Brazilian Atlantic Forest and Updates on Leaf Microcharacters in the Genus
Fabrício Moreira Ferreira, Christian Silva, Cassiano A. D. Welker, Marcos C. Dórea, Kelly Regina B. Leite, Lynn G. Clark & Reyjane P. Oliveira

Impatiens dasyvexilla, a New Species of Impatiens (Balsaminaceae) from Hubei, China
Qiliang Gan & Xinwei Li

Two New Small-Leaved Species of Casearia (Salicaceae) from Madagascar
Wendy L. Applequist & Marquise T. Gates

Two New Species and a New Record of Astragalus sect. Ammodendron (Fabaceae) from Northeastern Iran
Yasamin Nasseh, Mohammad Reza Joharchi & Farrokh Ghahremaninejad

Elucidating the Mystery of Anthurium willdenowii var. pohlii (Araceae)
Rodrigo Theófilo Valadares, Cassia Mônica Sakuragui & Simon Joseph Mayo

Stigmatodon francae (Bromeliaceae, Tillandsioideae), a New Species from Cliff Ecosystems on Inselbergs in Southeastern Brazil
Dayvid Rodrigues Couto, Vitor da Cunha Manhães & Andrea Ferreira da Costa

Aechmea novoae (Bromeliaceae, Bromelioideae), a Novelty from the State of Jalisco, Mexico
Alejandra Flores-Argüelles, Ana Rosa López-Ferrari & Adolfo Espejo-Serna

• Editor-in-Chief: Wendy L. Applequist