Photo by Loukie Viljoen
Huernia hallii E. & B. M. Lamb in Natl. Cact. & Succ. J. 13: 57 (1958).
Etymology: Harry Hall - stapeliad collector, discoverer of the plant.
Distribution: Namibia (Karas).
Distribution map of Huernia hallii (my own records, Bruyns 2005)
History: The plant was first collected by Harry Hall in 1955 on a low, white quartz hillock at Grünau, growing between slabs of white quartz. Edgar and Brian Lamb published the plant in 1958.