Observation 118690: Armillaria (Fr.) Staude

When: 2012-09-16

Collection location: Merrillville, Indiana, USA [Click for map]

41.5001° 87.1501°

Who: Danielle B. (dbly)

No specimen available

-found several specimens growing together in the soil by base of tree

-pileus was dry/dull and planer shape with a slight umbo, measured 61mm in diameter, smooth surface, with rolled margin, pileus color was a yellow tan with a darker brown center

-adnate even gills, off white in color (14mm in length) lamellulae present (>1mm apart in spacing)

-annulus present, possibly single edged

-dry/dull stipe, squamulose surface, solid and tapered at base, 113mm in length, 16mm in width, caespitose base

- no volva

-spore shape was elliptical filled with contents

- 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. 9.13/4.98
2. 9.13/5.81
3. 8.3/5.81
4. 9.13/4.98
5. 8.3/4.98
6. 9.13/5.81
7. 7.47/4.98
8. 9.13/4.98
9. 8.3/4.98
10. 8.72/4.98

range (7.47-9.13) and (4.98-5.81)

Proposed Names

28% (1)
Recognized by sight

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Created: 2012-12-02 22:41:28 CST (-0500)
Last modified: 2012-12-03 04:36:37 CST (-0500)
Viewed: 18 times, last viewed: 2017-09-01 01:06:04 CDT (-0400)
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