Idyllwild, Riverside County, CA. 7-4-11. © Peter J. Bryant

Grinnell's Penstemon

Penstemon grinnellii

A perennial found occasionally in openings of chaparral on rocky soil at higher elevations in the Santa Ana Mountains near Modjeska and Santiago Peaks.

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Idyllwild, Riverside County, CA. 7-4-11. © Peter J. Bryant
Maple Springs Rd. to Modjeska & Santiago Pks., CNPS, 5-25-14. © Ron Vanderhoff.