photosynthesis Green-barked Palo Verde and Saguaro in Arizona on a Sunny Day by Pronghorn Productions in Plant , Tree 4k (3840x2160) – $49 Full HD (1920x1080) – $39 HD (1280x720) – $29 Add to Cart Checkout Added to cart Green-barked Palo Verde and Saguaro in Arizona on a Sunny Day $29 Ocotillo with Green Photosynthetic Bark in the Sonoran Desert by Pronghorn Productions in Plant , Shrub 4k (3840x2160) – $49 Full HD (1920x1080) – $39 HD (1280x720) – $29 Add to Cart Checkout Added to cart Ocotillo with Green Photosynthetic Bark in the Sonoran Desert $29 Closeup of Green Palo Verde Bark Used for Photosynthesis in the Sonoran Desert by Pronghorn Productions in Plant , Tree 4k (3840x2160) – $49 Full HD (1920x1080) – $39 HD (1280x720) – $29 Add to Cart Checkout Added to cart Closeup of Green Palo Verde Bark Used for Photosynthesis in the Sonoran Desert $29 Palo Verde and Saguaro with Photosynthetic Green Bark in the Sonoran Desert by Pronghorn Productions in Plant , Tree 4k (3840x2160) – $49 Full HD (1920x1080) – $39 HD (1280x720) – $29 Add to Cart Checkout Added to cart Palo Verde and Saguaro with Photosynthetic Green Bark in the Sonoran Desert $29