Stereocaulon tomentosum is a species of snow lichen belonging to the family Stereocaulaceae.
Ecology Stereocaulon tomentosum is a known host to the lichenicolous fungus species:
Arthonia stereocaulina Catillaria stereocaulorum Endococcus nanellus Opegrapha stereocaulicola Polycoccum trypethelioides Stigmidium beringicum
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