Cactus show, Los Angeles
by palmbob Nov 14, 2007 6:08 AM
This is a choice black-spined form of the Mammillaria formosa ssp. This is a true variant that remains true from seed.
by thistlesifter Mar 1, 2008 1:30 PM
Multiple specimen have been flowering for over 2 months. will have seed this summer.
by thistlesifter Apr 14, 2008 2:29 AM
Black spined form.
by Kell Jan 18, 2009 5:30 AM
by Kell Jan 18, 2009 5:30 AM
by Kell Jan 18, 2009 5:30 AM
by Kell Jan 18, 2009 5:30 AM
by Kell Jan 18, 2009 5:30 AM
by Kell Jan 18, 2009 5:30 AM
Before the bloom
by JohnTS71 Apr 23, 2009 7:19 PM
Los Angeles intercity show, 2010, under the synonym, Mammillaria ritteriana
by palmbob Aug 20, 2010 10:13 PM
Sunset Plant show, spring, Los Angeles under synonym, Mammillaria ritteri
by palmbob May 17, 2012 12:54 AM
San Gabriel C&S show, Los Angeles, 2012 November
by palmbob Nov 7, 2012 11:03 AM
