Bonnier - 112 - Switzerland
Churchill - s.n. - Switzerland
Churchill - s.n. - United States
Davis - 450 - United States
Delannay - 1276 - Switzerland
Eby - s.n. - United States
Fisher - s.n. - United States
Heiland - s.n. - Germany
Sempervivum tectorum
Skotte - s.n. - Sweden
Songeon - s.n. - France
Unknown - 242 - Spain
Unknown - s.n. -
Unknown - s.n. - France