The overall stature and cap color don't seem right for H. coccinea in this area. Those marks are pretty good for H. laetissima, which I have seen fruiting happily all around Lake Lagunitas in the last two weeks. Compare: https://www.inaturalist.org/observations/4956209 https://www.inaturalist.org/observations/9515832
ktama
2018-01-00
Wed Jan 24 2018 10:41:41 GMT-0800 (PST)
United States of America, California, Fairfax, CA 94930, Fairfax, CA, US