Porpidia tuberculosa or something else?
Tried testing for confluentic acid with K. Some bubbles formed slowly, but not "srteam of minute droplets". - https://northwest-lichenologists.wildapricot.org/page-1816539/211726746#photo
https://northwest-lichenologists.wildapricot.org/page-1816539/211726752#photo
https://northwest-lichenologists.wildapricot.org/page-1816539/211726749#photo
On granodiorite (Snoqualmie Batholith) long Taylor River (exceptionally low right now), Middle Fork Snoqualmie Valley, WA - https://northwest-lichenologists.wildapricot.org/page-1816539/211726976#photo
attractive Porpidia carlottiana also abundant there - https://northwest-lichenologists.wildapricot.org/page-1816539/211726973#photo
I think it would be tough to ID this one without the full suite of spot tests (or TLC, or sequencing). The thallus looks thicker than I remember for typical Porpidia tuberculosa.
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