title: Apiosordaria antarctica and Thielavia antarctica, two new ascomycetes from Antarctica.
abstract: Two new species of ascomycetes, Apiosordaria antarctica, isolated from soil, and Thielavia antarctica, isolated from a sample of the lichen Usnea cf. aurantio-atra, both collected on King George Island (Antarctica), are described and illustrated. Apiosordaria antarctica is characterized by ostiolate ascomata with agglutinated hairs, eight-spored, uniseriate and cylindrical asci, and two-celled, irregularly navicular ascospores, with an upper cell ornamented with very small warts and with an apical germ pore. Thielavia antarctica is characterized by nonostiolate ascomata, with a thick peridium, eight-spored, cylindrical asci, uniseriate, oblate, ovoid ascospores, a slightly protruding apical germ pore, and a phialidic anamorph.
authors.affiliation: Unitat de Microbiologia, Facultat de Medicina i Ciències de la Salut, C/ Sant Llorenç 21, 43201 Reus, Tarragona, Universitat Rovira i Virgili, Tarragona, Spain.
authors.forename: Alberto M
authors.initials: AM
authors.lastname: Stchigel
authors.forename: Josep
authors.initials: J
authors.lastname: Guarro
authors.forename: Walter
authors.initials: W
authors.lastname: Mac Cormack