Summary
The ophiostomatoid fungi, including, the genera Ceratocystis s.str., Ophiostoma and Ceratocystiopsis, have strong anamorph/teleomorph connections and provide an outstanding model for evaluating taxonomic schemes based on morphology. Recent evidence from extended collections as well as ultrastructural and molecular studies suggests that these fungi have evolved several, if not many times. Primary taxonomic characters for the group such as ascomatal structure and ascospore shape now appear to have been misleading. A great deal of convergence has evidently occurred and re-evaluation of morphological characters based on additional molecular studies is needed before a new and more meaningful classification can be established for this group. Ultimately, we expect that numerous genera, belonging to at least two and perhaps more distantly related groups of fungi will emerge.
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Wingfield, M.J., Wingfield, B.D., Kendrick, W.B. (1994). The Development of Holomorphic Concepts in Ophiostomatalean Ascomycetes. In: Hawksworth, D.L. (eds) Ascomycete Systematics. NATO ASI Series, vol 269. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9290-4_30
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