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Mорфологични белези на различните видове:
Dreissena polymorpha
Dreissena bugensis
Dreissena presbensis
Dreissena blanci


This website is developed with support from the Bulgarian Science Fund, Ministry of Education, Youth and Science,
within the Project "Assessment and Management of Dreissena spp. Invasions in the Bulgarian Water Bodies",
Contract Number: DO-02-283/2008.

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