Observation 98555: Fulvifomes johnsonianus (Murrill) Y.C. Dai

When: 2012-06-23

Collection location: Morton Arboretum, Lisle, DuPage Co., Illinois, USA [Click for map]

41.8193° -88.044°

Who: Patrick R. Leacock (MycoGuide)

Specimen available

First record of this uncommon perennial bracket for the Chicago Region. Fruitbody was effused-reflexed for many feet under a large decorticated log (ash, oak, or maple). Free edges showed seven layers; context layering was indistinct. Found by mushroom class members during a walk.

Proposed Names

54% (1)
Used references: Gilbertson & Ryvarden 1987. North American Polypores
Based on microscopic features: Basidiospores 3.4-4.0 × 2.8-3.0 microns, ovoid, yellow in KOH, negative in Melzers. Hymenial setae (12) 17-28 (33) x 5-7 (8) microns.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


Add Comment
By: Chaelthomas (Chaelthomas)
2017-04-18 02:03:28 CDT (-0400)

Do you have a specimin i can study?
Id love to take some notes on it and add high
Rez photos. Will pay for shipping.

Created: 2012-06-28 18:23:27 CDT (-0400)
Last modified: 2017-06-18 23:09:40 CDT (-0400)
Viewed: 211 times, last viewed: 2017-12-31 00:02:29 CST (-0500)
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