Umbilicaria freyi spec. nova und der Formenkreis von Umbilicaria hirsuta in Europa (Lichenes, Umbilicariaceae)
- Author:
- Codogno M., Poelt J. & Puntillo D.
- Year:
- 1989
- Journal:
- Plant Systematics and Evolution
- Pages:
- 165: 55-69
- Url:
- Id:
- 30
- Submitter:
- zdenek
- Post_time:
- Tuesday, 30 November -0001 00:57