Starr 040723-0206 Parentucellia viscosa.jpg
Flora scotica- or, A systematic arrangement, in the Linnæan method, of the native plants of Scotland and the Hebrides (1777) (14749974366).jpg
Portál informačního systému ochrany přírody
Finnish Biodiversity Information Facility
Global Biodiversity Information Facility
United States Department of Agriculture Plants Database