Distribution
Asia-Tropical: Borneo present (Brunei present, Kalimantan present, Sarawak present)
Malesia: Borneo (Sarawak, Brunei, Kalimantan), at least 6 collections.
Notes
The evidence that this species belongs to the genus Mesophlebion is provided by the gland-bearing hairs on sporangium stalks, also by the basal veins of each group arising from the midrib in the same way that basal veins of pinnate species arise from the costae below the costules.
Citation
v.A.v.R. 1917: Handb.: 330
v.A.v.R. 1908: Handb.: 735
