"Pyrrhosoma tenellum" . "9619898" . "789721" . _:b75972871 "GBIF id" . . _:b75972871 "9619898" . . _:b75972871 . . "Pyrrhosoma tenellum" . . . . "Pyrrhosoma tenellum (Villers, 1789)" . "(Villers, 1789)" . . _:b75972871 . _:b75972871 .