Thamniopsis undata
- kingdom: Plantae
- phylum: Bryophyta
- class: Bryopsida
- order: Hookeriales
- family: Hookeriaceae
- genus: Thamniopsis
- species: Thamniopsis undata
- Welchman Hall
Saint Thomas
Barbados- Campina Grande do Sul
Paraná
Brazil- Heredia
- Llorente
- Mercedes
- San Francisco
Heredia
Costa Rica- Moore Town
Portland
Jamaica