Mushroom Observer
Catalog #: MUOB 341983
Taxon: Xerocomus hemixanthus Singer
Family: Boletaceae
Collector: Ron Pastorino   RLP9-30-18E   
Date: 2018-09-30
Verbatim Date: 2018-9-30
Locality: United States, Louisiana, Bossier, Cypress Black Bayou Park
32.6831  -93.6703
Description: Original observation #341983 (Mushroom Observer)
Occurrence Remarks: Single fb growing in mixed woods. Stipe 3.0 x 0.75 cm. Flesh had traces of bluing when cut. Spore print olive brown. Spores ~ 10.0-12.2 X 3.9-4.3 microns, fusoid to subfusoid and smooth. KOH on cap was dark reddish brown KOH on flesh was pale reddish. Stem was eroded by bugs so it was difficult to get a clear picture of the color or ornamentation. There was some white mycelium at base of stipe. It looks like Xerocomus hypoxanthus but the KOH reaction indicates Xerocomus hemixanthus. Could not find spore data for that species however.
Disposition: vouchered
Specimen Images
Rights Holder: MO Observers
Record Id: fcd83619-dd11-48ea-99c8-4c8e8e9cf0dd
For additional information on this occurrence, please contact: Nathan Wilson (
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