Observation 279844: Buellia De Not.

When: 2017-05-11

Collection location: Santa Barbara Co., California, USA [Click for map]

40m

Who: J-Dar

No specimen available

Notes:
On soil in coastal bluff scrub habitat, with Caloplaca (observation 279834). Scant material.

Thallus grey. Apothecia black, convex, <0.5mm. Hymenium hyaline, not or only slightly inspersed, hypothecium dark brown, epihymenium yellow-brown.

Spores ellipsoid, becoming brown, 1-septate, not constricted, not halonate. 16.6×5.5, 12.2×4.9, 12.7×5.7, 13.3×5.0, 15.5×5.1µm.

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Comments

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Following terricolous couplets
By: J-Dar
2017-06-25 13:37:38 ADT (-0300)

I didn’t get to the punctata/pullata couplet. In your experience, could specimens like this on soil be strays from either the saxicolous or corticolous groups? The Sonoran Flora V.3 key gets pretty quick from couplet 17 to 38 to 77 with specimen occurring on soil, and with K- and C- spot tests (assumed) it drops us at the undescribed sp. 1 and sp. 2. I did have an expectation that this scant specimen could be saxicolous, and doing ok on the sand grain soil. So, Buellia sp. it is!

You’re thinking the spores are too big for B. punctata / B. pullata?
By: Jason Hollinger (jason)
2017-06-25 10:45:53 ADT (-0300)

These big-spored specimens with well-developed thallus stump me.

Created: 2017-06-25 02:13:06 ADT (-0300)
Last modified: 2017-06-25 02:13:12 ADT (-0300)
Viewed: 29 times, last viewed: 2019-08-20 03:22:01 ADT (-0300)
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