Observation 146484: Boletinellus merulioides (Schwein.) Murrill
When: 2013-09-25

Notes: This specimen was brought to an Oregon Mycological Society Meeting. Through an intermediary I learned that it was collected at Clackamette Park near Oregon City. Habitat there is mostly Cottonwood but there is a small amount of Alder.

Spores were elliptical and olive brown in water, 8-10(12) x 6-8, Av. 9.28 × 6.53. Basidia were filled with granular material, no cystidia seen. Cap cuticle hyphae were interwoven, cylindrical and mostly 5-8 microns wide and 35-63 microns long. No caulocystidia seen but numerous clamps in the stipe cuticle.

Cap context was up to 10mm, tubes 2-3mm thick, pores were 1-3mm

Proposed Names

54% (1)
Used references: North America Boletes, Gyrodon lividus in California-David Hayward and Harry Theirs
81% (1)
Eye3 Eyes3
Used references: The OMS Mycoflora group had this collection sequenced in Dec. 2014, 100% match with a sequence submitted by Binder, Matheny and Hibbett

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Species?
By: Richard Bishop (Leciman)
2013-09-27 00:58:39 CDT (-0400)

I thought you might be interested Christian. Any ideas on the species of this or last years collection.

Great record!
By: Christian (Christian Schwarz)
2013-09-26 12:13:03 CDT (-0400)

Second for the genus from OR, third from the west coast in general as far as I know.

Created: 2013-09-26 01:35:54 CDT (-0400)
Last modified: 2014-12-19 23:57:13 CST (-0500)
Viewed: 49 times, last viewed: 2015-08-28 04:18:06 CDT (-0400)
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