. . . . . . . . . . . "ZBN01197" . . "Unavailable"@en . "SDN:P01::ZBN01197" . . "accepted"@en . . "Abundance of Physa fontinalis (ITIS: 76681: WoRMS 248248) per unit area of the bed by sieving and picking under an optical microscope"@en . . . . . . . . .