Favoritos de tcurtis

On a handful of large silver maple trees in deep vernal pools of a flood plain.

A nice spot by @the_land_philosopher

on Peltigera

Conioselinum chinense potentially via quick keying; hydric soil

On Punctelia rudecta. Spores 16x6

On Punctelia rudecta. Spores 12x6, KI- (after K in 2nd pic, after I in 3rd pic)

Parasitic on Graphis lineola thalli, growing on Myrica cerifera bark

on Flavopunctelia

Growing within 10 ft of 2 Prairie fringed orchid. someone pointed out that it could be the Platanthera leucophaea x lacera hybrid. was quite robust for the P. lacera Im use to seeing. Ohio.

Note the long beaks on the perigynia. Growing in association with similar C. pensylvanica, too.

At its only known site in Ohio. Curiously not known from Kentucky just across the Ohio River.

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

On bark of Monterey Cypress along Cypress Grove trail. Photobiont = Trentepohlia
Spores 24-31 x 7.5, hyaline, 3 septate, often curved one side, fusiform.

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