Observation 118851: Armillaria (Fr.) Staude
When: 2012-09-27
No herbarium specimen

Notes: -single specimen growing in the soil

-pileus was dry/dull and planer, measured 54mm in diameter, smooth surface, uplifted margin, pileus color light brown center with tan outside and brown spec

-adnate even gills, cream in color (25mm in length) regular lamellulae present (>1mm apart in spacing) crowded

-annulus present

-shiny/silky cream upper stipe fading to darker cream at base, fibrillose surface, solid stipe, tapered base, 74mm in length, 8mm in width, inserted base

- no volva

-white spore print amygdaliform like 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. 9.13/5.81
2. 7.47/5.81
3. 9.13/5.81
4. 9.13/5.81
5. 9.13/4.98
6. 10.79/5.81
7. 8.3/5.81
8. 9.13/5.81
9. 9.96/6.64
10. 9.13/6.64

range (7.47-10.79) and (4.98-6.64)

Proposed Names

57% (1)
Eyes3
Recognized by sight: Cap has scales. White gills. With annulus. Stem texture and yellowish/brown shades point towards Armillaria.
Based on microscopic features: Spore size, shape and color matches

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2012-12-03 22:11:03 PST (-0800)
Last modified: 2012-12-03 22:56:38 PST (-0800)
Viewed: 8 times, last viewed: 2016-10-28 12:36:54 PDT (-0700)
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