Described as Pholiota albivelata (Murrill 1912), later transferred into the genus Stropharia (Norvell & Redhead 2000) where it resides today.

Stropharia albivelata is an uncommon mushroom in wet conifer forests in the Pacific Northwest and northern California.

Currently known from 80 records, from ~50 locations, although many of these are historic. Despite being surveyed for as part of the Northwest Forest Plan (Castellano et al.) since the late 1990’s, there doesn’t appear to be any collections made to this date (Mycoportal 2021), but there are 11 recent observations from 10 locations on iNaturalist (2021).

Little is known about preferred habitat, and how dependent this species is to old growth or undisturbed forests. Until such data is available, i recommence listing as Data Deficient (DD).

Northern California, USA coast, north in coastal forests into southeast Alaska; more widespread through the Coast and Cascade Range in Oregon and Washington, USA.

Currently known from 80 records, from ~50 locations, although many of these are historic. Despite being surveyed for as part of the Northwest Forest Plan (Castellano et al. 1999) since the late 1990’s, there doesn’t appear to be any collections made to this date from these efforts (Mycoportal 2021).

There are 11 recent observations from 10 locations on iNaturalist (2021). A better understanding of habitat requirements is needed to make a robust assessment on trends. It appears to be an uncommon mushroom, which is more commonly found in, but not limited to, mature and old growth forests.

Saprotrophic, growing on conifer needle duff, small woody debris and moss in wet coastal and Cascade range forests. It appears to prefer, but is not limited to, mature and old growth forests.

Too little is known about this species habitat requirements and restraints to identify threats at this time.

This species was included on the US Forest Service Northwest Forest Plan species of special concern (Castellano et al. 1999).

A better understanding of range of this species, and habitat restraints.

None known.

Castellano, M.A., Smith, J.E., O’Dell, T., Cázares, E. and Nugent, S. 1999. Handbook to Strategy 1 Fungal Species in the Northwest Forest Plan. U. S. Department of Agriculture, Forest Service, Pacific Northwest Research Station: Portland, OR. 195 p.

iNaturalist. 2021. Available at http://www.inaturalist.org

Murrill, W.A. 1912. The Agaricaceae of the Pacific Coast – II. White and ochre-spored genera. Mycologia 4: 231–262.

MyCoPortal. 2021. http://mycoportal.org/portal/index.php. Accessed on February 24.

Norvell, L.L. and Redhead, S.A. 2000. Stropharia albivelata and its basionym Pholiota albivelata. Mycotaxon 76: 315–320.