Candelariella antennaria, or the pussytoes eggyolk lichen,[2] is a lichen commonly distributed in North America, and has been observed in South America, Asia, Australia, and Europe.

[3][4][5][6] It is characterized by its gray thallus and bright yellow apothecia, as well as its very small size.

The apothecial disc is a lemon-yellow or orange-yellow, flat, and not exceeding 1 mm in diameter.

[5] The thallus is composed of non-gelatinized and thin-walled hyphae that do not form stipes.

[6] The lichen is small, which makes it hard to spot.