Opuntia engelmannii
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- Ajo Peak to Tinajas Altas: a Flora of Southwestern Arizona: Part 2
- ABSTRACT We Provide New Nomenclatural Combinations for Three Sonoran Desert Plants: Opuntia Engelmannii Var. Laevis (J.M. Coulter) Felger, Verrier, & Carnahan, Comb
- St. George Jeepers Trail Report Jump Canyon on the Arizona Strip, Tuesday, 05-16-2017
- Flora of the San José Hills
- Prickly Pear Cactus Responses to Summer and Winter Fires R
- Celebrating Arizona's Native Flora
- Article by Ferguson and Shaw, Xerophila, 2019
- The Opuntias of Mississippi
- Engelmann Prickly Pear Jelly
- Monitoring, Assessing and Evaluating the Pollinator
- Biological Resources Survey, Rio Grande and Tijuana River Flood
- Cactology III (Suppl
- FRIENDS of CITY of ROCKS NEWSLETTER (Vol. 2, No. 4, December 2018) MISSION STATEMENT the Purpose of the Friends of City of Rocks State Park, Inc
- Selecting Plants for Pollinators in the American Semidesert and Desert
- Phylogenetic Relationships and Morphological Evolution in Opuntia S.Str
- View Jalisco and Zacatecas North to Chihuahua and Sonora, Reaching Its Northern Limit in Sonora 55 Spotlight on a Native Plant in the Sierra Huachinera (30.3°N)
- Species List
- Star Cactus (Astrophytum Asterias) 5-Year Review