This cactus is over 20 years old...and still in a 4" pot!
This cactus blooms regularly in spring with florescent orange blooms.
Excellent flowering in 2005
A real beauty I found at Tohono Chul Park, Tucson.
Los Angeles cactus and succulent show 2007 in August
Nice clump of rebutia muscula at the San Diego Cactus & Succulent show 2009
Rebutia muscula blooming like crazy!
Rebutia muscula in my garden
San Gabriel C&S show, Los Angeles, 2012 November