Mammillaria (Mammillaria humboldtii)

In a plant show

by Xenomorf Oct 18, 2006 11:08 AM

blooming in southern California in spring

by palmbob Apr 13, 2005 12:32 PM

A near perfect head starting to offset

by franj Sep 26, 2006 11:02 PM

sale plant in California Cactus center nursery

by palmbob Feb 15, 2007 9:32 PM

trophy-winning plant, Los Angeles intercity show 2010

by palmbob Aug 26, 2010 10:27 AM