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- Dave Ferguson with Opuntia robusta
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- Big Bend
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- Albuquerque, NM
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- Sunset Valley, TX
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- Mountains near Tucson
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- Opuntia wootonii
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- Texas Point National Wildlife Refuge
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- Agave lechuguilla
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- Cibolo National Forest and Grasslands
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- Placitas, NM
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- Near Carrizozo, NM
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- Seraphina, NM
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- Las Vegas in Distance
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- Placitas, NM
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- Goodsprings, NV
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- Goodsprings, NV
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- Agave arizonica
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- Bagdad, AZ
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- LaGrange, TX
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- Northwestern AZ
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- Texas Creek, CO
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- Agave neomexicana
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- Dust Devil
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- Big Bend
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- Joe with Ferocactus
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- Southern NV
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- Southern NV
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- West Texas
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- Hoover Dam
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- North-eastern AZ
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- Kingman, AZ
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- Kingman, AZ
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- Galveston Island, TX
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- Carrizozo, NM
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- Placitas, NM
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- Mt Charleson, NV
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- Opuntia debreczyi, CO
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- Wickenburg, AZ
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- Opuntia fragilis habitat, by Eric Ribbens
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- Bagdad, AZ
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- Artesia, NM
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- Bradley Mt, GA
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- North-central NM
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- Laredo, TX
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- Albuquerque, NM
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- Carrizozo, NM
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- San Patricio, NM
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- Bandalier National Monument, NM
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- Johnson City, TX
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- Yucca torryi, NM
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- Toroweap, Grand Canyon
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- Death Valley
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- Yucca torryi
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- Toroweap
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- Foquierra splendens
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- Coryphantha vivipara, NV
