1 September 1996 Nomenclatural notes on Andean Opuntioideae (Cactaceae)
N.P. Taylor, J. Iliff
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The long ignored generic name Pseudotephrocactus Fric & Schelle (c. 1933), which threatens Austrocylindropuntia Backeberg (1938) and Cumulopuntia Ritter (1980), is lectotypified, making it a synonym of Maihueniopsis Spegazzini (1925). Pterocactus tuberosus (Pfeiffer) Britton & Rose is reinstated as the correct name for P. kuntzei Schumann, which is the type of Pterocactus Schumann, and the application of both specific names is fixed by the designation of the same protologue illustration as neotype and lectotype, respectively.

N.P. Taylor and J. Iliff "Nomenclatural notes on Andean Opuntioideae (Cactaceae)," Bradleya 1996(14), 17-19, (1 September 1996). https://doi.org/10.25223/brad.n14.1996.a4
Published: 1 September 1996
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