Its species, which are anamorphs of the genus Mycosphaerella, are plant pathogens.

[1] Economically important host species include Narcissus, sugar beet, and barley.

As of 2024[update], almost 800 species are recognised in the genus Ramularia.

[3] There are almost a 900 species accepted in the genus Ramularia, including:

This fungal plant disease article is a stub.