These are growing in tiny black patches on dried Picea sitchensis resin on the trunk. 1-2mm tall with head ~500um. @jameskm @tcurtis any ideas?

Spores Physcia-type; 16x8 microns. Det. John Sheard

en Lobaria pulmonaria. Ambos nuevos registros para el Estado

Ex Peltigera neckeri

On Xanthoparmelia sp.
This species is well characterized by its ramified to net-like, single stranded hyphal strands spreading over the thallus and conecting with the apothecia.

16-21 x 4 microns 1-3 septa
epihymenium red-brown K+ purple
Thallus bullate redish brown

Thallus K- Yellow soredia K+ purple; Sterile

On Quercus virginiana

On Quercus virginiana

On Liquidambar styraciflua bark

On Quercus virginiana bark

On Quercus virginiana bark

Or H. flexuosum; on Pinus sp. branch

On Carya glabra bark; spores sub-muriform, brown, 8/ascus; pockets of bright red pigment in thallus

On Carya glabra bark; cortex UV-

On Liquidambar styraciflua bark; spores 3-septate, 5um wide or less

On Quercus hemisphaerica bark; disk red-purple with KOH (russulone reaction), soralia UV+ blue-white

On Quercus hemisphaerica bark

On Quercus hemisphaerica bark

On Liquidambar styraciflua bark

Thallus lost its pigmet but no the apothecia.

ID by Louise Lindblom

Fits the description but it's likely to be a new species to science.

DNA sequenece on the way.

On exsiccated wood. Determined by John Sheard.

Sorediate; undersides dark purplish

On soil.

Type locality

Second record in México

Lobes paddle-shaped Cilia on upper surface. Soredia on the lower surface with orange pigment K+ purple

i will upload pictures of the whole thallus next week.

K+ yellow P+yellow/orange
13-14 x 6-7

Confirmado por Toby Spribille

SONY DSC

Infertil, Granulos gruesos color cafe oscuro.
K+ amarillo P+ amarillo/anaranjado