Caloplaca trachyphylla, the desert firedot lichen,[1]: 27 is an orange crustose lichen that grows on rock in Europe, North America, and northern Asia. Crostose placoidioid lobes are elongate.
It differs from Caloplaca saxicola in that C. trachyphylla it has a larger thallus and has lobes with tiny warts on them (verruculose).
Caloplaca trachyphylla, the desert firedot lichen,: 27 is an orange crustose lichen that grows on rock in Europe, North America, and northern Asia. Crostose placoidioid lobes are elongate.
It differs from Caloplaca saxicola in that C. trachyphylla it has a larger thallus and has lobes with tiny warts on them (verruculose).