James St. John:
Erigeron divergens (spreading fleabane) (Arches National Park, Utah, USA) 1
James St. John:
Erigeron divergens (spreading fleabane) (Arches National Park, Utah, USA) 2
James St. John:
Erigeron divergens (spreading fleabane) (Arches National Park, Utah, USA) 3
James St. John:
Erigeron sp. (near Upper Falls, Yellowstone, Wyoming, USA) 1
James St. John:
Erigeron sp. (near Upper Falls, Yellowstone, Wyoming, USA) 2
James St. John:
Erigeron sp. (near Upper Falls, Yellowstone, Wyoming, USA) 3
James St. John:
Erigeron divergens (spreading fleabane) (Arches National Park, Utah, USA) 4