Observation 45162: Porphyrellus brunneus McNabb

When: 2010-03-25

Collection location: Lake Birrabeen, Fraser Island, Queensland, Australia [Click for map]

Who: Roy Halling (royh)

Specimen available

AKA: Tylopilus brunneus (McNabb) Wolfe if you have a broad concept of Tylopilus.

Pileus (4-)6-14 cm broad, convex to plano-convex, dry, (8E-F8), sometimes paler toward margin, matted subtomentose to tomentose. becoming finely areolate to areolate squamulose. Flesh white, becoming pale dull reddish with exposure, sometimes with rapid bluing above tubes. Tubes adnexed, mineral greenish (1B3), staining blue green then red, then black. Stipe 5-10 cm long, 1-3.5 cm broad, equal to clavate with a pinched base, dry, subpruinose above, subpruinose and streaked below, pale mineral green at apex, dull violet (5E5) with black streaks, pinkish buff at base with white basal mycelium, with interior white, changing to pale blue green in apex and somewhat downward, pinkish brown in the base.

Herbarium specimens in BRI & NY (REH9153).


Among Allocasuarina “needles”. Lepto spermum and Eucalyptus pilularis also present.

Proposed Names

84% (1)
Eye3 Eyes3
Used references: R.F.R. McNabb.1967. New Zealand J. Bot. 5: 532-547. And, with help from MichaeW’s observations here on MO.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2010-05-05 10:44:44 CDT (-0400)
Last modified: 2010-06-04 13:38:13 CDT (-0400)
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