So many prickly pears! Here are resource that might help me tell them apart. I guess I have to start photographing them again.
🌵 Cacti of the Trans-Pecos & Adjacent Areas by A. Michael Powell and James F. Weedin has lots of information on various Opuntia spp.
🌵 Opuntiads.com website (descriptions with herbarium scans and images of live plants, etc.). It also does the chollas, which recently split out of genus Opuntia.
🌵 Texas opuntia species: https://www.opuntiads.com/category/texas-opuntias/
🌵 The Opuntiads group on FB is another great resource, plenty of knowledgeable people there.
🌵 "Texas Cacti" by Brian Loflin and Shirley Loflin. Some species have variability within a species and there are sub species.
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