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(2)

Studies in Neotropical Araliaceae. IV. Three New Species of Sciodaphyllum from the Eastern Andes of Central Peru
M. Marcela Mora, Porter P. Lowry II & Gregory M. Plunkett

A New Species of Anthurium sect. Cardiolonchium (Araceae) from the Cordillera Oriental (Napo Province), Ecuador
Thomas B. Croat, Efraín Freire, Robert Bleiweiss & Francisco Sornoza Molina

Lectotipificaciones en Alternanthera (Amaranthaceae) del Sur de América del Sur
Néstor D. Bayón & Daniel A. Giuliano

Studies in Neotropical Araliaceae. V. Sciodaphyllum zarucchii (Araliaceae), a New Species from Antioquia, Colombia, Honoring James L. Zarucchi (1952–2019)
M. Marcela Mora, Porter P. Lowry II, Gregory M. Plunkett, Álvaro Idárraga-Piedrahíta, Jáider Jiménez-Montoya & Peter H. Raven

Revisiting the Lectotypification of Saussurea laneana (Asteraceae, Cardueae)
Shruti Kasana & Arun K. Pandey

New Species of Malleastrum (Meliaceae) from Madagascar
Vanessa Pérez & James S. Miller

Rubiacearum Americanarum Magna Hama Pars XLVI: New Species and Taxonomic Changes in Faramea of Central and South America (Rubiaceae, Coussareeae)
Charlotte M. Taylor & Jomar G. Jardim

• Editor-in-Chief: Wendy L. Applequist