Holttum, R.E. 1971: Studies in the family Thelypteridaceae III: a new system of genera in the Old World. Blumea 19: 17–52.
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| Holttum, R.E. 1971: Studies in the family Thelypteridaceae III: a new system of genera in the Old World. Blumea 19: 17–52. |