Upper Black Top Mesa Pass trail

Heading southeast climbing out of East Boulder Canyon with a very young Saguaro Cactus (Carnegiea gigantean) just off trail on left, a large specimen silouetted on ridge ahead. Windmill Pink (AKA Common Catchfly) (Silene gallica) foreground, lower left. Brittlebush (Encelia farinosa) on both sides. Superstition Wilderness, Tonto National Forest, Arizona.

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