MS Power Point Show on DVD, covers taxonomy and classification of Ferocactus wislizeni, historic review of published varieties, type locations, and current state of populations within the U.S. The cost of the DVD is $10.00 plus shipping. Oders are made at this address: sharloch@email.cz. Payments are made by PayPal to sharloch@email.cz. Thank you.
Phylogeny of Ferocactus wislizeni and its varieties
