Bates, Brian
Collecting seed of Opuntioideae
My favourite cactus localities
Byles, R. S.
Cox, John
Crook, Ivor
Punotia lagopus, a decade on from a first encounter
The Origins of Opuntia ficus-indica
Hoxey, Paul
A brief review of Cumulopuntia sphaerica (part 1)
A brief review of Cumulopuntia sphaerica (part 2)
A brief review of Cumulopuntia sphaerica (part 3)
Opuntioideae of Peru - an overview (part 1)
Opuntioideae of Peru - an overview (part 2)
Papathanasiou, Costas N.
Partridge, Mike
Day four of a guided cactus tour to North West Argentina and Chile
Roberts, Elton
Corynopuntia aggeria (Ralston & Hilsenbeck) P. Griffith 2002
Tephrocactus alexanderi ssp. bruchii
Roberts, Elton and Hill, Alan
Roberts, Elton et al.
Puna/Austrocylindropuntia/Maihueniopsis clavarioides
Roberts, Tony G.
Corynopuntia – an underrated genus in culture
Tephrocactus articulatus in my collection
Tephrocactus bonnieae \\\"buckyballs\\\"
Rowley, Gordon
Opuntia Ficus-Indica; Chromosome Races and Origins
Book Review - Further Studies in the opuntioideae (Cactaceae) HUNT, D.
TSG Discussions
Punotia lagopus (K Schumann) Hunt 2011: A TSG Discussion
The Genus Pterocactus Schumann 1897: A TSG Discussion
The TSG preferred list of names for small South American Opuntioids