Synonyms: Phlox azurea, Phlox diffusa ssp. diffusa, Phlox diffusa ssp. longistylis, Phlox diffusa var. longistylis
The photo above shows a close-up side-view of the calyx and tubular corolla of spreading phlox. Note the tufts of hairs found between the calyx lobes. Photographed in the summit crater of Potato Hill, on the north side of Mt. Adams...............June 21, 2005.
The photo above shows a flower of spreading phlox with 4 instead of the usual 5 corolla lobes. Photographed along the Highline Trail, above 6000' on the northern side of Mt. Adams................July 24, 2005.
1. Numerous spots along the Round the Mountain Trail on the south side of Mt. Adams from Horseshoe Meadows to Bird Creek Meadows. It is also found along Rd 23 along the west side of the mountain on steep slopes at the head of the Lewis River drainage.