• Trichoderma E.M. Fries, 1829 (unaccepted) [Phylum: Fungi (awaiting allocation), Family: ]
• Trichoderma Fleming, 1822 (uncertain) [Phylum: Chordata, Family: Aves (awaiting allocation)]
• Trichoderma Greeff, 1869 accepted as Greeffiella Cobb, 1922 [Phylum: Nematoda, Family: Desmoscolecidae]
• Trichoderma Nonfried, 1894 accepted as Deuterocaulobius Dalla Torre in Schenkling, 1912 [Phylum: Arthropoda, Family: Scarabaeidae]
• Trichoderma Persoon ex Gray, 1801 [Phylum: Ascomycota, Family: Hypocreaceae]
• Trichoderma Persoon, 1794 [Phylum: Ascomycota, Family: Hypocreaceae]
• Trichoderma Stephens, 1835 accepted as Ontholestes Ganglbauer, 1895 [Phylum: Arthropoda, Family: Staphylinidae]
• Trichoderma Swainson, 1839 accepted as Amanses Gray, 1835 [Phylum: Chordata, Family: Monacanthidae]
• Trichoderma album Preuss accepted as Hypocrea citrina (Pers.) Fr., 1849
• Trichoderma atroviride Bissett, 1984 accepted as Trichoderma parceramosum Bissett, 1992
• Trichoderma aureoviride Rifai, 1969
• Trichoderma ceylanica Nonfried, 1894 accepted as Phyllochlaenia ceylanica (Nonfried, 1894)
• Trichoderma citrinoviride Bissett, 1984
• Trichoderma crassum Bissett, 1992
• Trichoderma croceum Bissett, 1992
• Trichoderma dubium Pers., 1801 accepted as Alysidium dubium (Alb. & Schwein.) M.B. Ellis, 1971
• Trichoderma fasciculatum Bissett, 1992
• Trichoderma fertile Bissett, 1992
• Trichoderma flavofuscum (J.H. Mill., Giddens & A.A. Foster) Bissett, 1992 accepted as Gliocladium flavofuscum J.H. Mill., Giddens & A.A. Foster, 1958
• Trichoderma fuliginoides Pers., 1824 accepted as Postia ptychogaster (F. Ludw.) Vesterh., 1996
• Trichoderma ghanense Yoshim. Doi, Y. Abe & Sugiy., 1987
• Trichoderma glaucum E.V. Abbott, 1927
• Trichoderma hamatum (Bonord.) Bainier, 1906
• Trichoderma harzianum Rifai, 1969
• Trichoderma inhamatum Veerkamp & W. Gams, 1983
• Trichoderma koningii Oudem., 1902
• Trichoderma lignorum (Tode) Harz, 1871 accepted as Trichoderma viride Pers., 1794
• Trichoderma longibrachiatum Rifai, 1969
• Trichoderma loxum Stiener, 1916 accepted as Greeffiella loxa Steiner, 1916
• Trichoderma macrotrichum Steiner, 1916 accepted as Greeffiella macrotricha Steiner, 1916
• Trichoderma minutisporum Bissett, 1992
• Trichoderma minutum Steiner, 1916 accepted as Hapalomus minutus (Steiner, 1916)
• Trichoderma mycophilum (Pers.) Schwein., 1822 accepted as Hypomyces chrysospermus Tul. & C. Tul., 1860
• Trichoderma narcissi (Tochinai & Shimada) Tochinai & Shimada, 1931 accepted as Trichoderma harzianum Rifai, 1969
• Trichoderma oblongisporum Bissett, 1992
• Trichoderma oxycaudatum Greeff, 1869 accepted as Greeffiella oxycaudata (Greeff, 1869)
• Trichoderma parceramosum Bissett, 1992
• Trichoderma piluliferum J. Webster & Rifai, 1969
• Trichoderma polysporum (Link) Rifai, 1969
• Trichoderma pseudokoningii Rifai, 1969
• Trichoderma pubescens Bissett, 1992
• Trichoderma reesei E.G. Simmons, 1977
• Trichoderma roseum Pers., 1794 accepted as Trichothecium roseum (Pers.) Link, 1809
• Trichoderma saturnisporum Hammill, 1970
• Trichoderma spirale Bissett, 1992
• Trichoderma sporulosum (Link) S. Hughes, 1958 accepted as Trichoderma polysporum (Link) Rifai, 1969
• Trichoderma strigosum Bissett, 1992
• Trichoderma stromaticum Samuels & Pardo-Schulth., 2000
• Trichoderma todica Sokoloff & Toda accepted as Trichoderma parceramosum Bissett, 1992
• Trichoderma tomentosum Bissett, 1992
• Trichoderma tuberculatum Pers. accepted as Chromelosporium tuberculatum (Pers.) Hennebert, 1973
• Trichoderma virens (J.H. Mill., Giddens & A.A. Foster) Arx, 1987 accepted as Gliocladium virens J.H. Mill., Giddens & A.A. Foster, 1958
• Trichoderma viride Pers. :Fr., 1829
• Trichoderma viride Pers., 1794