I am not sure what type of plant it is.
Cleveland National Forest, Lake Elsinore, Riverside County, California
i saw several of these lining the Skyline Trail in Corona, CA
Cleveland National Forest, Lake Elsinore, Riverside County, California
Cleveland National Forest, Lake Elsinore, Riverside County, California
El Cariso Trailhead, El Cariso, Cleveland National Forest, Lake Elsinore, Riverside County, California
El Cariso Trailhead, El Cariso, Cleveland National Forest, Lake Elsinore, Riverside County, California
For the skipper see: https://www.inaturalist.org/observations/217176365