Abstract
A new smut fungus Ustilago aldabrensis on the grass Dactyloctenium ctenoides is described and illustrated from Aldabra Island in the Seychelles archipelago. It is compared with similar species known on the genus Dactyloctenium. A further two smut fungi infecting this host plant genus, U. dactyloctenii-gigantei and U. idonea are discussed. U. dactyloctenii-gigantei is reported for the first time from Nigeria on a new host plant, D. aegyptium. U. idonea is redescribed, and its nomenclature and geographical distribution are clarified. A key to smut fungi infecting species of Dactyloctenium is provided.
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Acknowledgements
We are grateful to Dr. Sándor Tóth (Gödöllõ, Hungary) for providing the Latin description, to Dr. Jolanta Piątek (Kraków, Poland) for preparing the illustrations showing the plants infected by U. aldabrensis and U. dactyloctenii-gigantei, to the curators of BPI, IMI and K for loan of specimens, and to Anna Łatkiewicz (Kraków, Poland) for assistance with the SEM pictures. The first author is grateful to Professor David L. Hawksworth (Madrid, Spain) for discussion about some nomenclatural problems. This study was supported by the Polish Ministry of Science and Higher Education for the years 2005−2008, grant no. 2 P04G 019 28.
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Piątek, M., Vánky, K. Ustilago aldabrensis, a new species from Seychelles, and two other smut fungi on Dactyloctenium. Mycol Progress 6, 213–219 (2007). https://doi.org/10.1007/s11557-007-0536-y
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DOI: https://doi.org/10.1007/s11557-007-0536-y