Observation 98187: Bilimbia sabuletorum (Schreb.) Arnold
When: 2012-06-23
Who: zaca
No herbarium specimen

Notes: Specimens growing on moss and other debris of a wall in the field. Initially I thought it was a species of the genus Mycobilimbia, which long ago had found, but the microscopy revealed spores with a high number of septa, and in that genus the number of septa is less than or equal to three. The high number of septa, the shape of the spores and the existence of a gelatinous and amyloid sheet envolving the asci undoubtedly place this specimen in the genus Bilimbia. Their characteristics are consistent with those described in references 1 and 2 for the species Bilimbia sabuletorum and with the images presented in reference 2.
There is a macroscopically similar species, Bacidia bagliettoana, but its spores are different (acicular form and bigger).
Average dimensions of the spores: Me = 31.8 × 6.6 µm ; Qe = 5 (N=30).

Proposed Names

58% (1)
Eye3 Eyes3
Used references: 1 CNALH, 2 Irish lichens.
Based on microscopic features

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Eye3 = Observer’s choice
Eyes3 = Current consensus

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Created: 2012-06-24 12:15:41 CDT (-0500)
Last modified: 2012-06-24 12:15:42 CDT (-0500)
Viewed: 44 times, last viewed: 2015-03-24 18:39:51 CDT (-0500)
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