From Saturday's loop on Ladyface in Agoura Hills.

From Friday's run to Fort Point and the East Battery.

From the Mt. Waterman Pines & Clouds run a couple of weekends ago.

From Sunday's run in the Simi Hills and Santa Susana Mountains.

From a run in the Simi Hills earlier in the week.

From Sunday's climb and run over Boney Mountain to Sandstone Peak.

From Tuesday's run in the Simi Hills.

Study of the leaflets of a tree of heaven (Ailanthus altissima).

An invasive plant introduced from China, Ailanthus is very common along the Kern River. It appears to be well-adapted to growing in the cobble along stream banks. It spreads through root sprouting and seeds, producing thickets which displace native vegetation.

According to Wikipedia, the tree of heaven "Was mentioned in the oldest extant Chinese dictionary and listed in countless Chinese medical texts for its purported ability to cure ailments ranging from mental illness to baldness."

From this morning's "see how worked my quads are after the Twin Peaks 50K" run at Sage Ranch.

The answer -- pretty worked!

Related post: Filaree

From a run at Ahmanson Ranch earlier this week.

Also from Sunday's run on the Backbone Trail in the Santa Monica Mountains.

From Sunday's hike/run up and down Mt. Baldy's South Ridge.