Observation 118688: Armillaria (Fr.) Staude
When: 2012-09-16
(41.5001° 87.1501° )
No herbarium specimen

Notes: -found several specimens growing together by the base of a tree

-pileus was dry/dull and broadly convex/planer with a slight umbo, measured 82mm in diameter, smooth surface, with smooth margin, pileus color had a tan center with cream margin

-adnate even gills, off white/cream in color (34mm in length) lamellulae present (>1mm apart in spacing)

-annulus present, possibly double edged

-dry/dull stipe, fibrillose surface, solid,tapered at base, 132mm in length, 13mm in width, caespitose base

- no volva

-spore shape was a pyriform/elliptical shape

- spore measurements (length/width) (in micrometers) I tried to include the one of the largest and smallest spores I could find along with the majority of the same sized spores that I found. Measured with an 100x oil immersion objective.

1. 9.96/4.98
2. 9.96/5.81
3. 9.13/4.98
4. 9.13/5.81
5. 9.96/5.81
6. 9.13/5.81
7. 9.13/4.98
8. 10.79/4.98
9. 9.13/5.81
10. 10.79/6.64

range (9.13-10.79) and (4.98-6.64)

Proposed Names

56% (1)
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2012-12-02 19:05:13 PST (-0800)
Last modified: 2012-12-03 05:34:15 PST (-0800)
Viewed: 27 times, last viewed: 2017-06-14 10:06:16 PDT (-0700)
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