Stereocaulon vesuvianumStereocaulon vesuvianum is a species of snow lichen belonging to the family Stereocaulaceae.EcologyStereocaulon vesuvianum is a known host to the lichenicolous fungus species Cercidospora stereocaulorum, Endococcus nanellus, Odontotrema stereocaulocola. and Scutula stereocaulorum.