wright’s cudweed

Pseudognaphalium microcephalum

Pseudognaphalium microcephalum, a dicot, is a perennial herb that is native to California. It’s bloom period is July-October.

not 100% sure about this ID. Not in the Calflora ID list of Griffith park. Also blooming in different months than according to when Calflora says the bloom period is.

additional informational links:  Calflora 

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ILoveGriffithPark.com