Photograph courtesy of the Institute for Water Quality Studies, Department of Water Affairs and Forestry |
The Baetid Mayflies (Ephemeroptera: Baetidae) of South AfricaCompiled by Helen Barber-JamesDepartment of Freshwater Invertebrates, Albany Museum, Grahamstown, 6140 South Africa |
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Yours is the access since 1st January 2000
Photographs courtesy of the Institute for Water Quality Studies, Department of Water Affairs and Forestry |