Especies de hongos formadores de Micorrizas Arbusculares: nuevas citas para la República Argentina

the presence of arbuscular mycorrhizal fungi associated with plants from an agroecosystem and a native forest, in buenos aires province is studied. the species that correspond a new register for argentina are: scutellospora dipapillosa (walker & koske) walker & sanders and scutellospora fulgida koske & walker found in the rhizosphere of triticum aestivum l.; scutellospora gilmorei (trappe & gerd.) walker & sanders, in the rhizosphere of celtis tala gill. ex planch., scutia buxifolia reiss. and herbaceous plants; acaulospora delicata walker, pfeiffer & bloss. and glomus clarum nicolson & schenck, occurred in both sites. they are cited, described and illustrated for the first time from argentina. glomus etunicatum becker & gerdemann was previously cited although it was not described and illustrated from argentina.