Literature references
3 literature references:
| Author: | Seitler,H. |
|---|---|
| Year: | 1977 |
| Title: | – |
| Source: | Die Flora des Furstentums Liechtenstein |
| Author: | Langhe,J.-E.de et al. |
|---|---|
| Year: | 1983 |
| Title: | – |
| Source: | Nouvelle Flore..Belgique,..Luxembourg,..Nord de la France... |
| Author: | Hess,H.E. et al. |
|---|---|
| Year: | 0 |
| Title: | – |
| Source: | Flora Der Schweiz,Band 2. Birkhauser. |