Hymenophyllum, Davallia atrata, Diplazium, Begonia Malabarica?
"Journals of Travels in Assam, Burma, Bhootan, Afghanistan and TheNeighbouring Countries" by William Griffith
Firm potting is important in growing the =davallia=, and it does not seem so partial to water as most of the fern tribe.
"Small Gardens" by Violet Purton Biddle
For Paul's visit, Christian selected Alternanthera 'Snow Queen', deer foot's fern ( Davallia canariensis ), and mondo grass ( Ophiopogon japonicus ).