Tursiocola neliana sp. nov (Bacillariophyceae) epizoic on South African leatherback sea turtles (Dermochelys coriacea) and new observations on the genus Tursiocola

Clarification of morphological distinction between Artemisia sichuanensis var. sichuanensis (Asteraceae, Anthemideae) and A. sichuanensis var. tomentosa, with reduction of A. erlangshanensis to the synonymy of the latter variety

Cunila socorroae (Lamiaceae) a new species from Sierra Madre Occidental, Durango, Mexico

Epipogium taiwanense, a detail morphological description and additional new record to mainland China

Lectotypification of Artemisia rutifolia var. ruoqiangensis (Asteraceae, Anthemideae)

Typification of the infrageneric names published in Kalanchoe (Crassulaceae subfam. Kalanchooideae) by Alwin Berger