Mycosphaerella calthae. Mycosphaerella calthae je grzib, co go ôpisoł Clem. 1906. "Mycosphaerella calthae" nŏleży do zorty "Mycosphaerella" i familije Mycosphaerellaceae. Żŏdne podgatōnki niy sōm wymianowane we Catalogue of Life.