Plant collecting in Mozambique from 1900 to 1929: collectors, collections, herbaria, and why this period was considered to have been unproductive
Kalanchoe ×sogae (Crassulaceae subfam. Kalanchooideae) derived from Kalanchoe lateritia × K. sexangularis, with notes on the inheritance of hairiness and resistance against phytophagous insects in Kalanchoe hybrids
Date and place of publication and author attribution of the combination Kalanchoe sect. Raveta (Crassulaceae subfam. Kalanchooideae)
Kalanchoe sect. Raveta (Crassulaceae subfam. Kalanchooideae) of Raymond-Hamet (1916): a long-overlooked name in K. subg. Kalanchoe
Lectotypification of the name Kalanchoe wildii (Crassulaceae subfam. Kalanchooideae)
Desertia, a new genus in Massonieae (Asparagaceae, Scilloideae), including the description of Desertia luteovirens and the taxonomic revisions of Whiteheadia and Namophila