Haseltonia 26
Haseltonia 26
Cotyledon tanquana, a new species from the Tanqua Karoo region, Western Cape, South Africa
Ernst J. van Jaarsveld
Areole changes during bark formation for columnar cactus species
Lance S. Evans and Catherine A. McDonough
Morphological and molecular diagnostic characters reveal a new species of Pachyphytum (Crassulaceae)
Jerónimo Reyes Santiago, Luis E. De La Cruz-López, Maria Kuzmina, and Francisco Vergara-Silva
Further records of cacti (Cactaceae) from Tarragona province (Catalonia), Spain
Filip Verloove and Alessandro Guiggi
Aloiampelos ciliaris nothovar. gigas (Asphodelaceae subfam. Alooideae), a new status for Aloe ciliaris f. gigas
Gideon F. Smith and Estrela Figuiredo
The use of herbicides in South American dry forests to control shrub encroachment: a new threat to cactus species? A first assessment
Diego E. Gurvich
Notes on five nothospecies published by or in honour of Flávio Resende in the mid- 1900s in Haworthia, now Haworthiopsis (Asphodelaceae subfam. Alooideae)
Gideon F. Smith and Vasco Silva
The identity and taxonomy of ×Sedeveria ‘Blue Mist’ (Mottram) Gideon F.Sm. & Bischofb. (Crassulaceae)
Gideon F. Smith & Margrit Bischofberger
Espostoa (Vatricania) guentheri have unusual cephalia or pseudocephalia
Root Gorelick
New succulents for the Tunisian and North African alien flora
Ridha El Mokni, Ameur Elaissi and Filip Verloove
Notes on Kalanchoe ×houghtonii (Crassulaceae subfam. Kalanchooideae), an early hybrid between two species of K. subg. Bryophyllum
Gideon F. Smith
Some cacti produce “reaction cortex” rather than reaction wood in curved sections of weight-stressed shoots
James D. Mauseth