Schumacher, T. 2020. The Pezizomycetes of Grimsdalen, Dovre, South Norway. - Agarica 41: 1-71
Skrede, I,, Ballester Gonzalvo, L., Mathiesen, C, Schumacher, T. 2020. The genera Helvella and Dissingia (Ascomycota: Pezizomycetes) in Europe - Notes on species from Spain. - Fungal Systematics and Evolution 6: 65-93
Løken, SB, Skrede, I., Schumacher, T. 2020. The Helvella corium species aggregate in Nordic countries - phylogeny and species delimitation. - Fungal Systematics and Evolution 5: 169-186
Hansen, K., Schumacher, T., Skrede, I., Huhtinen, S. & Wang, X.-H. 2019. Pindara revisited – evolution and generic limits in Helvellaceae. - Persoonia - Molecular Phylogeny and Evolution of Fungi 42: 186 – 204
Zamora, J. C. et al. et Sanches-Ramirez, S. 2018. Considerations and consequences of allowing DNA sequence data as types of fungal taxa. - IMA Fungus 9(1): 167–175
Skrede, I., Carlsen, T. & Schumacher, T. 2017. A synopsis of the saddle fungi (Helvella: Ascomycota) in Europe - species delimitation, taxonomy and typification. Persoonia - Molecular Phylogeny and Evolution of Fungi 39: 201-253
Stensrud, Ø., Orr, J. S. Russel, Reier-Røberg, K., Schumacher, T. & Høiland, K. 2014. Phylogenetic relationships in Cortinarius with focus on North European species. – Karstenia 54: 57-71
Lindner, D., Carlsen, T., Nilsson, R. H., Davey, M., Schumacher, T. & Kauserud, H. 2013. Employing 454 amplicon pyrosequencing to reveal intragenomic divergence in the internal transcribed spacer rDNA region in fungi. – Ecology and Evolution 3 (6): 1751-1764
Hegge, A. B., Mysterud, I., Karlsen, J. Skulberg, O., Laane, M. Motzfeldt, Schumacher, T. & Tønnesen. H. Hjorth. 2013. Impaired secondary oxidant deactivation capacity and enhanced oxidative stress in serum from alveld affected lambs – J. Photochemistry and Photobiology B: Biology 126: 126-134
Tønnesen, H. Hjorth, Mysterud, I., Karlsen, J. Skulberg, O., Laane, M. Motzfeldt & Schumacher, T. 2013. Identification of singlet oxygen photosensitizers in lambs drinking water in an alveld risk area in West Norway. – J. Photochemistry and Photobiology B: Biology 119: 37-45
Carlsen, T., Bjørnsgaard Aas, A., Lindner, D., Vrålstad, T., Schumacher, T. & Kauserud, H. 2012. Don’t make a mista(g)ke: Is tag switching an overlooked source of error in amplicon pyrosequencing studies? – Fungal Ecology 5: 747-749.
Bendiksby, M., Schumacher, T., Gussarova, G., Jamili N. Kamarudin M-S., Nery S., Madulid, D., Smith, S. A., & Barkman, T. 2010. Elucidating the evolutionary history of the Southeast Asian, holoparasitic, giant-flowered Rafflesiaceae: Pliocene vicariance, morphological convergence and character displacement. – Molecular Phylogenetics and Evolution 57: 620-633
Markussen Bjorbaekmo MF, Carlsen T, Brysting A, Vrålstad T, Høiland K, Ugland KI, Geml J, Schumacher T, & Kauserud H. 2010. High diversity of root associated fungi in both alpine and arctic Dryas octopetala. – BMC Plant Biology 10:244
Tønnesen, Hanne Hjorth; Mysterud, Ivar; Karlsen, Jan; Skulberg, Olav M; Laane, Carl Morten Motzfeldt; Schumacher, Trond. 2010. Detection of singlet oxygen in blood serum samples of clinically healthy lambs and lambs suffering from alveld disease. – Veterinary research Communications 34 (4): 347-357
Barkman, T., Bendiksby, M., Lim S-H., Mat Salleh, K., Nais, J., Madulid, D. & Schumacher, T. 2008. Accelerated Rates of Floral Evolution at the Upper Size Limit for Flowers. – Current Biology 18 (19): 1508-1513
Stensrud, Ø., Schumacher, T.,Shalchian-Tabrizi, K., Svegården, I. B. & Kauserud, H., 2007. Accelerated nrDNA evolution and profound AT bias in the medicinal fungus Cordyceps sinensis. – Mycological Research 111 (4): 409-415
Kauserud, H. Stensrud, Ø., DeCock, C., Shalchian-Tabrizi, K. & Schumacher, T. 2006. Multiple gene genealogies and AFLPs suggest cryptic speciation and long-distance dispersal in the basidiomycete Serpula himantioides (Boletales). – Molecular Ecology 15 (2): 421-431
Kauserud, H., Sætre, G-P., Schmidt, O., DeCock, C., & Schumacher, T. 2006. Genetics of self/nonself recognition in Serpula lacrymans. – Fungal Genetics and Biology 43: 503-510
Stensrud, Ø., Hywel-Jones, N.L. & Schumacher, T. 2005. Towards a phylogenetic classification of Cordyceps Fr.: ITS nrDNA sequence data suggest divergent lineages and paraphyly. – Mycological Research 109: 41-56
Kauserud, H., Høgberg, N., Knudsen, H., Elborne, S. & Schumacher, T. 2004. Molecular phylogenetics suggest a North American link between the antropogenic dry rot fungus Serpula lacrymans and it's wild relative S. himantioides. – Molecular Ecology 13: 3137-3146
Holst-Jensen, A., Vrålstad, T. & Schumacher, T. 2004. Kohninia linnaeicola - a new genus and species of the Sclerotiniaceae pathogenic to Linnaea borealis L. – Mycologia 96: 136-143
Holst-Jensen, A., Vrålstad, T. & Schumacher, T. 2004. On reliability. – New Phytologist 161: 11-13
Landvik, S., Schumacher, T.K., Erikson, O.E., & Moss, S. 2003. Morphology and ultrastructure of Neolecta species. – Mycological Research 107: 1021-1031
Kauserud, H., & Schumacher, T. 2003. Ribosomal DNA variation, recombination and inheritance in the basidiomycete Trichaptum abietinum: implications for reticulate evolution. – Heredity 91: 163-172
Kauserud, H. & Schumacher, T. 2003. Genetic variation and differentiation in North European geographic populations of the endangered wood-decay fungus Fomitopsis rosea (Basidiomycota). – Mycological Research 107: 155-163
Kauserud, H. & Schumacher, T. 2003. Regional and local population structure of the pioneer wood-decay fungus Trichaptum abietinum. – Mycologia 95: 416-425
Vrålstad, T., Myhre, E. & Schumacher, T. 2002. Molecular diversity and phylogenetic affinities of symbiotic root-associated ascomycetes of the Helotiales in burnt and metal polluted habitats. – New Phytologist 155: 131-148
Kauserud, H. & Schumacher, T. 2002. Population structure of the endangered wood decay fungus Phellinus nigrolimitatus (Basidiomycota). – Canadian J. Botany 80: 597-606
Vrålstad, T., Schumacher T. and Taylor, A. F. S. 2002. Mycorrhizal synthesis between fungal strains of the Hymenoscyphus ericae aggregate and potential ectomycorrhizal and ericoid hosts. – New Phytologist 153: 143-152
Kauserud, H. & Schumacher, T. 2001. Outcrossing or inbreeding - DNA markers provide evidence for type of reproductive mode in Phellinus nigrolimitatus. – Mycological Research 105: 676-683
Vrålstad, T., Fossheim, T. & Schumacher, T.2000. Piceirhiza bicolorata - the ectomycorhizal expression of the Hymenoscyphus ericae aggregate? – New Phytologist 145: 549-563
Schumacher, T. 2000. Rutstroemiaceae. pp. 162-165, In L. Hansen & H. Knudsen (eds.). Nordic Macromycetes. Vol. 1. Ascomycetes. – Nordsvamp. Copenhagen, 308 pp.
Schumacher, T. 2000. Sclerotiniaceae. pp. 165-177, In L. Hansen & H. Knudsen (eds.). Nordic Macromycetes. Vol. 1. Ascomycetes. – Nordsvamp. Copenhagen, 308 pp.
Holst-Jensen, A., Vaage, M., Schumacher, T. & Johansen, S. 1999. Structural characteristics and possible horizontal transfer of group I introns between closely related plant pathogenic fungi. – Molecular Biology and Evolution 16: 114-126
Landvik, S., Kristiansen, R. & Schumacher, T. 1999. Pindara - a miniature Helvella. – Mycologia 91: 278-285
Granmo, A., Laessø, T. & Schumacher, T. 1999. The genus Nemania s. l. (Xylariaceae) in Norden. – Sommerfeltia 27: 1-96
Landvik, S., Kristiansen, R. & Schumacher, T. 1998. Phylogenetic and structural studies in the Thelebolaceae (Ascomycota). – Mycoscience 39: 49-56
Holst-Jensen, A., Vaage, M. & Schumacher, T. 1998. An approximation to the phylogeny of Sclerotinia and related genera. – Nordic J. Bot. 18: 705-719
Vrålstad, T., Holst-Jensen, A. & Schumacher, T. 1998. The post-fire discomycete Geopyxis carbonaria (Ascomycota) is a biotrophic root associate with Norway spruce (Pica abies) in nature. – Molecular Ecology 7: 609-616
Holst-Jensen, A., Kohn, L. M., Jakobsen, K. S. & Schumacher, T. 1997. Molecular phylogeny and evolution of Monilinia (Sclerotiniaceae) based on coding and noncoding rDNA sequences. – American J. Botany 84: 686-701
Schumacher, T. & Holst-Jensen, A. 1997. A synopsis of the genus Scleromitrula (=Verpatinia) (Ascomycotina: Helotiales: Sclerotiniaceae). - Mycoscience 38: 55-69
Danielsen, F. & Schumacher, T. 1997. The importance of Tigapuluh Hills, Southern Riau, Indonesia, to the biodiversity conservation. – Tropical biodiversity 4: 129-159
Holst-Jensen, A., Kohn, L. M. & Schumacher, T. 1997. Nuclear rDNA phylogeny of the Sclerotiniaceae. – Mycologia 89: 885-899
Landvik, S., Egger, K. & Schumacher, T.1997. Towards a subordinal classification of the Pezizales (Ascomycota). – Nordic J. Bot. 17: 403-418
Schumacher, T. 1996, Plants Used in Medicine. pp. 68-69. In: Whitten, T. & Whitten, J. (eds.). Plants. Indonesian Heritage Vol. 4. – Archipelago Press, Jakarta
Graf, F. & Schumacher, T. 1995. Sclerotinia glacialis sp. nov. (Ascomycetes, Leotiales) from the alpine zone of Switzerland. – Mycological Research 99: 113-117
Schumacher, T., Kamaledinova, F. & Vassilyev, A.E. 1995. Ultrastructural observations on ascosporogenesis in Ciboria betulae [Helotiales]. – Can J. Bot. 79: 209-223
Schumacher, T. 1993. Studies in arctic and alpine Lamprospora species. – Sydowia 45: 307-337
Schumacher, T. & Mohn Jenssen, K. 1992. Arctic and alpine Fungi - 4. Discomycetes from the Dovre mountains, Central South Norway. – Soppkonsulenten A/S, Oslo, 66pp.
Schumacher, T. 1992. New or noteworthy discomycetes. 2. Five new operculate discomycetes (Pezizales) from the Dovre mountains, Central South Norway. – Mycotaxon 43: 33-47
Schumacher, T. 1991. Ascospore ornamentation in Scutellinia (Ascomycotina: Discomycetes). On a simple preparation technique for studying ascospore wall sculpture in SEM. – Micron and Microscopica Acta 22: 83-84
Schumacher, T. 1990. New or noteworthy discomycetes 1. Some stromatic fungi on Alnus and Betula. – Mycotaxon 38: 233-239
Schumacher, T. 1990. The genus Scutellinia (Pyronemataceae). – Opera Botanica 101: 1-107
Schumacher, T. & Moravec, J. 1989. Spooneromyces, a new genus to accommodate Peziza laeticolor P. Karsten and the new species Spooneromyces helveticus Breitenb. & Kränzlin. – Nordic J. Bot. 9: 425-430
Schumacher, T. 1990. New or noteworthy discomycetes. 1. Some stromatic fungi on Alnus or Betula. – Mycotaxon 38: 233-239
Brun, V. & Schumacher, T. 1987. Traditional herbal medicine in Northern Thailand. – University of California Press, 349 pp.
Korf, R. P. & Schumacher, T. 1986. Proposal to conserve Scutellinia against Patella (Fungi). – Taxon 35: 378-381
Schumacher, T. & Kohn, L. M. 1985. A monographic revision of the genus Myriosclerotinia. – Canadian J. Botany 63: 1610-1640
Kohn, L. M. & Schumacher, T. 1984. Two counter-proposals for the Conservation of Rutstroemia (Fungi). – Taxon 33: 507-509
Schumacher, T. & Høiland, K. 1983. Mushroom poisoning caused by species of the genus Cortinarius Fries- A review. – Arch. Toxicol. 53: 87-106
Kohn, L. M. & Schumacher, T. 1983. On the lectotypification of Rutstroemia: Can this patient be saved? – Mycotaxon 18: 531-538
Dissing, H. & Schumacher, T. 1979. Preliminary studies in the genus Boudiera Cooke, taxonomy and ecology. – Norw. J. Bot. 26: 99-109
Schumacher, T. 1978. A guide to the amenticolous species of the genus Ciboria in Norway. – Norw. J. Bot. 25: 145-155
Gulden, G. & Schumacher, T. 1977. Giftsopper og soppforgiftninger. – Universitetsforlaget, Oslo,116pp.
Schumacher, T. 1976. The genus Vibrissea Fries in Norway with a short review of its taxonomical position. – Astarte 9: 25-31