Abstract
Twenty species assigned to Trichoderma section Pachybasium (Sacc.) Bissett are described and differentiated on the basis of conidiophore and conidium morphology. Included in section Pachybasium are T. hamatum, T. polysporum, T. piluliferum, T. harzianum, and T. virens that were already recognized in Trichoderma; T. flavofuscum comb.nov. transferred from Gliocladium; the anamorphs of Hypocrea gelatinosa, H. semiorbis, and two unnamed Hypocrea species; and 10 new species segregated from the T. hamatum species aggregate of M. A. Rifai (1969. Mycol. Pap. 116: 1–56). The new species Trichoderma crassum, T. croceum, T. fasciculatum, T. fertile, T. longipilis, T. minutisporum, T. oblongisporum, T. pubescens, T. spirale, T. strictipilis, T. strigosum, and T. tomentosum are proposed. Keys are provided to distinguish the 20 known species in section Pachybasium. Key words: Trichoderma section Pachybasium, Hypocrea, taxonomy.
Publisher
Canadian Science Publishing
Cited by
234 articles.
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