Picture
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Common Name(s)
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Binomial Nomenclature
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References
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![](flower106.jpg)
![](flower157.jpg)
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Plains Pricklypear;
Pricklypear Cactus
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Opuntia polyacantha
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#2 p. 114
#3 p. 119 plate 12
#4 p. 38
#17 p. 99 |
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Whipple's Fish Hook Cactus
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Sclerocactus whipplei
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#7 p. 102
#17 p. 102 |
![](flower742.jpg)
![](flower2028.jpg)
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Claretcup Cactus
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Echinocereus triglochidiatus
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#7 p. 132
#15 p. 46-47
#17 p. 95 |
![](flower2020.jpg)
![](flower2369.jpg)
![](flower2370.jpg)
![](flower2371.jpg)
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Nutatall's pincusjion
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Coryphantha vivipara
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#17 p. 94
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