|Murchison River, Kalbarri National Park; probably here at least still much as Gregory saw it.|
|Desert Kurrajong Brachychiton gregorii, central Australia (through a rain-spotted lens!).|
The type specimen was collected by Gregory in the Murchison area and sent to von Mueller, who named it.
|Baobab, Adansonia gregorii, Gregory National Park (also named for Augustus), East Kimberley, western Northern Territory; collected by von Mueller on the North Australian Expedition and named by him for Augustus Gregory.|
|Senecio gregorii, Lasseter Highway, Northern Territory - South Australian border.|
Collected by Gregory on the Leichhardt search expedition, and named for him by von Mueller.