Plains Prickly Pear (philipbouchard) Tags: cactus pricklypear plainspricklypear grizzlybearpricklypear hairspinecactus opuntia opuntiapolyacantha cactaceae subspecies erinacea flower wildflower yellow bud spines spiny pad california inyocounty inyonationalforest whitemountains bigpine ca168 roadside desert