Umbilicaria americana, commonly known as frosted rock tripe, is a foliose lichen of rock faces.
Umbilicaria americana has been described as looking like "grayish-white potato chips."[1] The upper surface is gray with the appearance of white dusting. The lower surface is black. The lobes are 2 to 7 cm in diameter.[2]
Umbilicaria americana, commonly known as frosted rock tripe, is a foliose lichen of rock faces.
Umbilicaria americana je porost[1], co go ôpisoł Poelt & T. H. Nash. Umbilicaria americana nŏleży do zorty Umbilicaria i familije Umbilicariaceae.[2][3] Żŏdne podgatōnki niy sōm wymianowane we Catalogue of Life.[2]
Umbilicaria americana je porost, co go ôpisoł Poelt & T. H. Nash. Umbilicaria americana nŏleży do zorty Umbilicaria i familije Umbilicariaceae. Żŏdne podgatōnki niy sōm wymianowane we Catalogue of Life.