Observation 10319: Rinodina grandilocularis Sheard

When: 2008-06-24

Collection location: Juniper Mountains, Yavapai Co., Arizona, USA [Click for map]

Who: Jason Hollinger (jason)

Specimen available

crustose lichen, on juniper wood
THALLUS: brown, lumpy to almost lobulate
APOTHECIA: lecanorine, adnate; disc black, plane, epruinose; rim like thallus; epihymenium brown; hymenium clear; hypothecium clear; exciple clear; cortex clear and even; paraphyses brown-capped and swollen; all parts K-
SPORES: 8 per ascus, 2 cells, clear aging gray then brown, septum appearing early, Physconia-type (having angular lumina with thickened tips at first but becoming thin walled throughout almost as soon as they turn brown), strongly constricted at maturity even becoming almost separated when over-mature, 16+/-0.5 × 9.5/-0.7 µm (Q=1.7/-0.08) (N=5)

Endemic to North America, with distribution centered on Colorado Plateau.


30x magnification
Apothecial section, in water, at 100×.
Fully mature spore, in water, at 1000×.
Mostly-mature spore, in water, at 1000×.
Immature spore, in water, at 1000×.

Proposed Names

58% (1)
Eye3 Eyes3
Used references: Nash’s Sonoran Flora

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Created: 2008-09-01 17:12:37 CDT (-0400)
Last modified: 2008-09-01 17:12:37 CDT (-0400)
Viewed: 12 times, last viewed: 2018-01-06 11:49:25 CST (-0500)