When: 2001-06-03

Collection location: Clark Co., Washington, USA [Click for map]

Who: Daniel B. Wheeler (Tuberale)

No specimen available

Barssia oregonensis is a mycorrhizal truffle associated with Douglas fir. Other than Tuber lyonii (previously T. texense and T. rufum var. nitidum) it is the only true truffle with an apical pore. Sporocarps are typically less than 2 inches in diameter, with a mild flavor and texture and slightly metallic aftertaste. It is edible.

[admin – Sat Aug 14 01:59:26 +0000 2010]: Changed location name from ‘Clark Co, WA’ to ‘Clark Co., Washington, USA’

Species Lists


Proposed Names

86% (1)
Recognized by sight: Barssia oregonensis is distinctive among hypogeous fungi in that it always has one or more apical pores. An apical pore is a hole leading into the center of the truffle. This hole may be small (less than 1mm) or large (nearly the diameter of the truffle). The gleba in maturity has a reddish-tint caused by the reddish-colored spores. While the species has now been described from collections year-round, it typically does not mature in OR and WA until May-June.
Used references: Aurora, David Mushrooms Demystified
Field Guide to North American Truffles
North American Truffling Society color photo cards

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