"Walker, 1834" . "Systasis Walker, 1834" . . . . _:b75738722 "1392285" . . _:b75738722 "GBIF id" . _:b75738722 . . "1392285" . "Systasis" . "Systasis" . _:b75738722 . _:b75738722 . "208610" . . . "Systasis" . .