COI00038200 - Hordeum murinum ssp. murinum - Willkomm, Heinrich Moritz - 444.jpg
The Domestic Encyclopædia; Or, A Dictionary Of Facts, And Useful Knowledge
Portál informačního systému ochrany přírody
Herbarium of the University of Coimbra (COI)
The IUCN Red List of Threatened Species 2022.2
Taxonomy database of the U.S. National Center for Biotechnology Information
United States Department of Agriculture Plants Database
Finnish Biodiversity Information Facility