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Keywords from Image Description:
Silver cholla at Regional Parks Botanic Garden. en silver Cylindropuntia echinocarpa at Regional Parks Botanic Garden Plaque reads Silver cholla Opuntia echinocarpa var echinocarpa Cactaceae Chuckwalla Mountains ' Riverside County own Dcoetzee alt source exifheading cczero Cylindropuntia echinocarpa Specimens in the Regional