Arizona Ecological Services
Southwest Region
"Conserving the Nature of America"

Nichol Turk's Head Cactus

Scientific Name:
Echinocactus horizonthalonius var nicholii
Image Not Available
Credit: Kathy Robertson/USFWS
Office Lead:
Mima Falk
Click here for a generalized species location map
Click on the Cactus to View the Document Title Author(s) Year File Size/Source
Nichol Turk's Head Cactus (Echinocactus horizonthalonius var. nicholii) 5 Year Review: Summary and Evaluation
Nichol Turk's Head Cactus (Echinocactus horizonthalonius var. nicholii) 5 Year Review: Summary and Evaluation U.S. Fish and Wildlife Service July 27, 2009 633 Kb
Federal Register: 5-Year Reviews of 24 Southwestern Species
Federal Register: 5-Year Reviews of 24 Southwestern Species U.S. Fish and Wildlife Service April 23, 2007 66 Kb
General Species Information
General Species Information Arizona Ecological Services Field Office September 2002 37 Kb
Recovery Plan for the Nichol Turk's Head Cactus
Recovery Plan for the Nichol Turk's Head Cactus U. S. Fish and Wildlife Service 1986 2.5 MB
Determination that Echinocactus horizonthalonius var . nicholii is an Endangered Species
 Determination that Echinocactus horizonthalonius var . nicholii is an Endangered Species U. S. Fish and Wildlife Service October 26, 1979 356 Kb

Last updated: October 14, 2009