The genus Galium (Rubiaceae) contains around 650 species,[1] making it one of the largest genera of flowering plants.[2]
- ^ "World Checklist of Rubiaceae Species". Royal Botanic Gardens, Kew. Retrieved November 20, 2013.
- ^ David G. Frodin (2004). "History and concepts of big plant genera". Taxon. 53 (3): 753–776. doi:10.2307/4135449. JSTOR 4135449.