Botryosphaeria dothidea
Botryosphaeria dothidea is a symbiotic fungus that occurs in the galls of Asteromyia carbonifera. The midge larvae do not eat the fungus, but it provides some protection for them against parasitoid wasps. The females carry spores of the fungus.
Habitat: In galls on goldenrod that was growing beside a stream
''Botryosphaeria dothidea'' Ces. & De Not. is a plant pathogen that causes the formation of cankers on a wide variety of tree and shrub species. It has been reported on several hundred plant hosts and on all continents except Antarctica. ''B. dothidea'' was redefined in 2004, and some reports of its host range from prior to that time likely include species that have since been placed in another genus. Even so, ''B. dothidea'' has since been identified on a number of woody plants—including grape,.. more
