Collection location: Santa Cruz Island, Santa Barbara Co., California, USA [Click for map]
Project: FunDiS 1109 Santa Cruz Island ALL
: Joanne Schwartz
: Oak woodland
: Coast Live Oak, Quercus agrifolia primary cover
: Rusty brown visible on stipes
: No odor
: Caps from 9-10cm wide. Stipe 23mm-24mm wide. Bulbous base ro 5cm wide.
: Dry. Light to deep orange when mature. Yellow to deep orange when young. Lilac streaks in orange areas.
: Lamellae lilac when young, orange brown mature. Adnate to adnexed. Stained lilac and brown.
: Covered with cortina remnants and spore deposit. Fiberous. Lilac streaks.
: A few found.
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sum(score * weight) /
(total weight + 1)
Excellent ITS fit (99.67%) to the TYPE of Cortinarius roseobulbus. Described in Moser et al. 1997 who note that the outside of the bulb and rhizomorphs are pink, which is true here (see the MO record), and the lilac color of the new gills. It was described from further N in CA. Moser M, Ammirati JF. 1997. Studies on North American Cortinarii IV. New and interesting Cortinarius species (subgenus Phlegmacium) from oak forests in Northern California. Sydowia 49(1):25-48.