. . . "Spirogyra arcta" . "975274" . "624181" . _:b75717164 "GBIF id" . _:b76629838 . . _:b75717164 . _:b75717164 . . . _:b75717164 . . _:b76629838 "WoRMS id" . . _:b75410561 . . "7867968" . . _:b76629838 "624181" . _:b75410561 . _:b76629838 . _:b75410561 "138248" . . "Spirogyra arcta (C.Agardh) Endlichter, 1843" . _:b76629838 . "Spirogyra arcta" . "(C.Agardh) Endlichter, 1843" . _:b75410561 . "138248" . _:b75410561 "AlgaeBase id" . "Spirogyra arcta" . _:b75717164 "7867968" .