Summary description from Wikipedia:

Images from inaturalist.org observations:

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©Joel A. Mercado-Díaz, some rights reserved (CC-BY-NC)

©Joel A. Mercado-Díaz, some rights reserved (CC-BY-NC)

©Joel A. Mercado-Díaz, some rights reserved (CC-BY-NC)

Parent Taxon

Sibling Taxa

• Andreiomycetaceae
• Arthoniaceae
• Arthophacopsis
• Bactrospora
• Chrysothricaceae
• Helminthocarpon
• Lecanographaceae
• Opegraphaceae
• Phoebus
• Roccellaceae
• Roccellographaceae
• Sporostigma
• Synarthonia
• Tremotylium

Child Taxa

• Helminthocarpon album
• Helminthocarpon cherrapunjiense
• Helminthocarpon columbianum
• Helminthocarpon ernstianum
• Helminthocarpon leprevostii
• Helminthocarpon natalense

Top Observation Places