Helvella maculata
Beihefte zur Nova Hedwigia 51: 27. 1975.
Common Name: none
For description see Abbot & Currah & Castellano et al.
Solitary to scattered to gregarious on ground or in duff in conifer or mixed forests; winter to spring; not uncommon.
Unknown.
Helvella maculata can be distinguished by a greyish brown to medium brown, sometimes mottled, irregularly lobed to more or less saddle-shaped cap with a margin that is not attached to the stipe, a pubescent whitish underside, and a deeply ribbed white to greyish brown stipe. Helvella vespertina and Helvella dryophila have grey to black caps that attach to the stipe. Helvella vespertina grows with conifers and Helvella dryophila grow with oaks.
Abbott, S.O. & Currah, R.S. (1997). The Helvellaceae: Systematic revision and occurrence in northern and northwestern North America. Mycotaxon 62: 1-125. (PDF)
Abbott, S.P. & Currah, R.S. (1988). The genus Helvella in Alberta. Mycotaxon 33: 229-250. (PDF)
Arora, D. (1986). Mushrooms Demystified. Ten Speed Press: Berkeley, CA. 959 p.
Beug, M.W., Bessette, A.E. & Bessette, A.R. (2014). Ascomycete Fungi of North America. University of Texas Press: Austin, TX. 488 p.
Castellano, M.A., Smith, J.E., O'Dell, T., Cázares, E. & 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. (PDF)
Landeros, F., Iturriaga, T. & Guzmán-Dávalos, L. (2012). Type studies in Helvella (Pezizales) 1. Mycotaxon 119(1): 35-63.
Siegel, N. & Schwarz, C. (2016). Mushrooms of the Redwood Coast. Ten Speed Press: Berkeley, CA. 601 p.
Weber, N.S. (1975). Notes on western species of Helvella. I. Beihefte zur Nova Hedwigia. 51:25-38.