. _:b75415424 . _:b76691590 . "Cosmarium quadratum var. willei" . _:b76691590 "671623" . _:b75415424 "AlgaeBase id" . "650179" . _:b75415424 . . . _:b75842852 . "7439835" . _:b75415424 "R8c253cc50902501e" . . _:b76691590 "WoRMS id" . _:b76691590 . "Cosmarium quadratum var. willei (Schmidle) Willi Krieg. & Gerloff, 1969" . . _:b75842852 . "671623" . _:b76691590 . _:b75842852 "7439835" . "R8c253cc50902501e" . . . "Cosmarium quadratum var. willei" . . _:b75842852 "GBIF id" . _:b75842852 . . "Cosmarium quadratum var. willei" . . "(Schmidle) Willi Krieg. & Gerloff, 1969" . . _:b75415424 .