All Species in Thelotrema
- Barnacle Lichen (Thelotrema abrosellum)
- Barnacle Lichen (Thelotrema adjectum)
- Barnacle Lichen (Thelotrema lacteum)
- Barnacle Lichen (Thelotrema lathraeum)
- Barnacle Lichen (Thelotrema lepadinum)
- Barnacle Lichen (Thelotrema leprocarpum)
- Barnacle Lichen (Thelotrema platycarpum)
- Barnacle Lichen (Thelotrema santense)
- Barnacle Lichen (Thelotrema subtile)
- California Barnacle Lichen (Thelotrema californicum)
- Defect Barnacle Lichen (Thelotrema defectum)
- Thelotrema dilatatum (Thelotrema dilatatum)
- Thelotrema eimium (Thelotrema eximium)
- Thelotrema floridense (Thelotrema floridense)
- Thelotrema halei (Thelotrema halei)
- Thelotrema monospermum (Thelotrema monospermum)
- Thelotrema petractoides (Thelotrema petractoides)
- Thelotrema polycarpoides (Thelotrema polycarpoides)
- Thelotrema porinoides (Thelotrema porinoides)