When: 2014-09-16

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

Who: Darvin DeShazer (darv)

Specimen available

Notes:
Growing on coastal live oak.
Same tree as this observation from 2008.
http://mushroomobserver.org/6826

Proposed Names

34% (2)
Recognized by sight
53% (1)
Recognized by sight: Sessile, growing on hardwood in North America.Internal context is consistent with north American G.resinaceum. Very good posting, thank you for including a cross section. Many people neglect to do that but context color and texture are some of the most important details for distinguishing Ganodermas.

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= Observer’s choice
= Current consensus

Comments

Add Comment
Spore sizes.
By: Matthew Schink (MSchink)
2015-08-29 00:17:40 CDT (-0500)

Spore morphology is of the smooth resinaceum type. Consistent with G.polychromum.

9.9 [11.1 ; 11.5] 12.7 × 5.8 [6.6 ; 6.9] 7.7 µm
Q = 1.5 [1.6 ; 1.7] 1.9 ; N = 33 ; C = 95%
Me = 11.3 × 6.8 µm ; Qe = 1.7

12.20 x7.35
12.20 x7.23
10.47 x6.24
11.11 x5.95
11.20 x6.26
10.56 x6.23
11.64 x6.89
11.84 x7.25
11.13 x7.21
11.24 x6.30
11.59 x6.42
11.29 x7.16
11.96 x7.10
10.69 x7.07
11.06 x6.56
12.43 x7.31
11.97 x6.23
10.84 x6.64
11.87 x6.43
11.10 x7.16
9.29 x6.12
12.46 x7.35
10.75 x6.15
10.57 x6.61
12.06 x7.12
11.71 x6.99
11.00 x6.25
11.80 x7.24
10.63 x6.20
11.02 x5.89
10.23 x6.91