Brant - 2408 - United States
Burtt Davy - 2794 - Swaziland
Bush - 835 - United States
HARDING - 218 - United States
LEARN - 78 - United States
Pott - 4857 - South Africa
Selaginella rupestris
Tryon - s.n. - Mexico
Wooton - 124 - United States
Yatskievych - 15-066 - United States
Yatskievych - 94-63 - United States