| genea, genabea and gilkeya gen. nov.: ascomata and ectomycorrhiza formation in a quercus woodland. | genea and genabea are considered ectomycorrhizal (em) symbionts of higher plants, but because of their hypogeous habit, dark coloration and the small size of their ascomata, relatively little is known about these genera. ascomata of six morphological species of genea and one of genabea were frequently collected at a single site in xeric quercus woodlands of california's sierra nevada foothills. while most collections were easily referred to known species, those putatively identified as genea har ... | 2006 | 17256574 |