Tree cholla Cylindropuntia imbricata Location: Big Bend Ranch, near Presidio, TX Year: 1991 Merckslides catalogue number: 05-21297 Comments:

Tree cholla Cylindropuntia imbricata Location: Malpais, NM Year: 1991 Merckslides catalogue number: 05-21300 Comments: Detail of preceeding

Tree cholla Cylindropuntia imbricata Location: Petrified Forest National Monument - Forest museum, near Winslow, AZ Year: 2016 Merckdigitals catalogue number: 05-89429 Comments: Detail of preceeding

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