Abstract

SUMMARY Previously unknown ascosporic states of Aspergillus stromatoides Raper & Fennell, A. niveus Blochwitz, and A. ftavipes (Bain. & Sart.) Thorn & Church, are described from several strains recently isolated from Thailand soils. Cleistothecia of A. stromatoides are like those of the A. cremeus group. Ascocarps of A. niveus resemble those of the A. nidulans group. The perfect state of A. ftavipes is similar to that de­ scribed for A. rehmii Zukal. Several strains of Aspergillus stromatoides Raper & Fennell, A. niveus Blochwitz, and A. flavipes (Bain. & Sart.) Thorn & Church have been isolated from Thailand soils in recent years. These strains were made available to the authors from a general survey collection of micro­ scopic fungi isolated in upland forested areas of central Thailand during a cooperative program of the Tropical Environmental Data Project, U. S. Army, and the Applied Scientific Research Corporation of Thailand. These isolates have been identified by comparison with strains derived from type or authentic material of the species to which they are assigned. They are notable in the production of perfect states, previously unde­ scribed for these species.

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