I was photographing Lewisia triphylla and didn't notice this little Galium until I got home and looked at the photo. The plants are less than two centimeters tall.
2005 The Regents of the University of California
CalPhotos
Foreground south slope with Coulter pine, western yellow pine and Black oak. Ground cover: Pteris, Asclepias eriocarpa and Ceanothus oliganthusvar.sorediatus (=Ceanothus sorediatus). Background western yellow pine type on north slope. Monterey County. Quad name: Jamesburg. Quad number: 106A. Reference to map: 8.