"Gomphonema intricatum f. attenuata Manguin, 1952" . . . "Gomphonema intricatum f. attenuata" . . "Gomphonema intricatum f. attenuata" . _:b76637823 "WoRMS id" . . "Gomphonema intricatum f. attenuata" . . _:b76637823 . . . "852854" . . _:b76637823 . . "Manguin, 1952" . _:b76637823 "981528" . "981528" . _:b76637823 . .