Photos / Sounds

What

Barnacle Lichens (Genus Thelotrema)

Observer

gyrrlfalcon

Date

May 8, 2022 02:21 PM PDT

Photos / Sounds

Observer

alice_abela

Date

July 2021

Description

Santa Barbara County, California

Photos / Sounds

Observer

ahuereca

Date

February 6, 2018 01:13 AM CST

Photos / Sounds

Observer

damontighe

Date

April 10, 2017 11:22 AM PDT

Photos / Sounds

What

California Pore Lichen (Pertusaria californica)

Observer

metsa

Date

March 21, 2020 01:14 PM PDT

Description

on rock

Photos / Sounds

Observer

metsa

Date

February 1, 2020 12:21 PM PST

Description

on painted metal fence

Photos / Sounds

What

Double-Rimmed Saucer Lichen (Ochrolechia oregonensis)

Observer

catchang

Date

January 25, 2020 02:18 PM PST

Photos / Sounds

What

Crabseye Lichens (Genus Ochrolechia)

Observer

metsa

Date

December 28, 2019 11:54 AM PST

Description

on oak tree trunk