Observation 5101: Armillaria (Fr.) Staude

When: 2007-11-21

Collection location: Sebastopol, Sonoma Co., California, USA [Click for map]

Who: Darvin DeShazer (darv)

No specimen available

Species Lists

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8614

Proposed Names

28% (1)
Recognized by sight
28% (1)
Recognized by sight: swollen base, terrestrial, cap prominently scaly, solitary to clustered
57% (1)
Eyes3
Recognized by sight

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Darv
By: Danny Newman (myxomop)
2013-11-22 18:26:43 PST (-0800)

Irene states that the absence, not presence, of yellow is characteristic of A. cepistipes.

see Observation 118204

Armillaria cepistipes
By: Darvin DeShazer (darv)
2007-11-23 09:38:17 PST (-0800)

Armillaria cepistipes
Annulus normal aging cobwebby, sometimes appearing double; Cap light brown to brown, disc with dark scales, margin glabrous and striate, ±hygrophanous; Stalk yellowish, fibrillose, clavate; Solitary to clusters of 2-3; Uncommon; Coastal not montane.

Armillaria mellea
Annulus thick & felty, white, often with a yellow edge; Cap honey yellow, center darker than margin, smooth, nonstriate in age; Base of each talk pointed; Caespitose (10-30); Hardwoods & rarely conifers; Uncommon.

How do you differentiate…
By: Debbie Drechsler (debdrex)
2007-11-22 16:57:44 PST (-0800)

…between A. cepistipes and A. mellea? These look remarkably like some that I’ve been seeing in large numbers at Howarth Park and calling A. mellea.

Created: 2007-11-21 19:42:14 PST (-0800)
Last modified: 2018-01-03 07:39:06 PST (-0800)
Viewed: 82 times, last viewed: 2018-07-15 14:38:58 PDT (-0700)
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