1 "Leaves lacking a border" "Distichophyllum microcarpum" 1 "Leaves with a border of elongate cells" 2 2 "Leaf apices rounded" "Distichophyllum pulchellum" 2 "Leaf apices acute" 3 3 "Leaf margin entire; leaves 1.1–2.4 mm long" "Distichophyllum crispulum" 3 "Leaf margin denticulate in apical half, rarely entire; leaves 0.7–1.2 mm long" "Distichophyllum rotundifolium"