Nematoctonus Drechsler, Phytopathology 31: 779, 1941

Type species: not designated

References: see R.G. Thorn & G.L. Barron, Mycotaxon 25: 321-453, 1986; Koziak, A.T.E., F. Chavarria, J. Diaz, M. Garcia, D.H. Janzen & R.G. Thorn. Can. J. Bot. 85 (8): 749-761, 2007; and Koziak, A.T.E., K.C. Cheng & R.G. Thorn. Can. J. Bot. 85(8): 762-773, 2007.

Note: Many additional species exist as the undescribed anamorphs of Hohenbuehelia species.


  1. Nematoctonus angustatus Thorn & Barron, Mycotaxon 25: 333, 1986 (Ontario, Canada)
  2. Nematoctonus brevisporus Thorn & Barron, Mycotaxon 25: 337, 1986 (Ontario, Canada)
  3. Nematoctonus campylosporus Drechsler, J. Wash. Acad. Sci. 44: 82, 1954 (Louisiana, U.S.A.)
  4. Nematoctonus concurrens Drechsler, Mycologia 41: 382, 1949 (Oregon, U.S.A.)
  5. Nematoctonus cylindrosporus Thorn & Barron, Mycotaxon 25: 344, 1986 (United Kingdom)
  6. Nematoctonus geogenius Thorn & Barron, Mycotaxon 25: 348, 1986 (California, U.S.A.)
  7. Nematoctonus hamatus Thorn & Barron, Mycotaxon 25: 351, 1986 (Ontario, Canada)
  8. Nematoctonus haptocladus Drechsler, Mycologia 38: 19, 1946 (Colorado, U.S.A.)
  9. Nematoctonus leiosporus Drechsler, Phytopathology 31: 779, 1941 (Wisconsin, U.S.A.)
  10. Nematoctonus leptosporus Drechsler, J. Wash. Acad. Sci. 33: 188, 1943 (Maryland, U.S.A.)
    Nematoctonus lignicola Ruokola & Salonen nom. inval., J. Sci. Agr. Soc. Fin. 40: 143, 1968 (Finland)
  11. Nematoctonus pachysporus Drechsler, J. Wash. Acad. Sci. 33: 185, 1943 (Maryland, U.S.A.)
  12. Nematoctonus robustus F.R. Jones, Trans. Brit. Mycol. Soc. 47: 57, 1964 (Ghana)
  13. Nematoctonus subreniformis Thorn & Barron Mycotaxon 25: 364, 1986 (Ontario, Canada)
  14. Nematoctonus tripolitanius Giuma & Cooke Trans. Brit. Mycol. Soc. 59: 215, 1972 (Libya)
  15. Nematoctonus tylosporus Drechsler, Phytopathology 31: 779, 1941 (Maryland, District of Columbia, and Virginia, U.S.A. - type not designated)

Questions, comments, additions to Greg Thorn