Belongs within: Hymenophyllaceae.
Trichomanes is a genus of filmy ferns bearing cup-shaped or campanulate, sometimes more or less tubular, involucres (Pryer et al. 2001).
<==Trichomanes L. 1753A61 [incl. Phlebiophyllum Van Den Bosch 1861 non Phlebophyllum Nees 1832C49]
|--T. ankersiiSP09
`--+--T. subg. AchomanesPS01
| | i. s.: T. bicorneW96
| | T. heterophyllum [=Feea heterophylla]W96
| | T. holopterumW96
| | T. lucensW96
| | T. polypodioidesW96
| |--+--T. (sect. Acarpacrium) alatum Bory de Saint-Vincent 1828PS01, BS-V28
| | `--T. (sect. Neurophyllum) pinnatumPS01, SP09
| `--+--T. (sect. Davalliopsis) elegans [=Cephalomanes elegans, Davalliopsis elegans]PS01
| `--T. (sect. Feea) osmundoides [=Feea osmundoides]PS01
`--T. subg. Trichomanes [incl. Crepidomanes subg. Maiora]PS01
|--*T. crispumYS03, SP09
|--T. auriculatum Blume 1828 (see below for synonymy)I88
|--T. birmanicumW96 [=Crepidomanes birmanicumI88, Vandenboshia birmanicaW96]
|--T. colensoi Hooker 1854 [=Vandenboschia colensoi (Hooker) Cop. 1938]A61
|--T. collariatum [=Vandenboshia collariata]W96
|--T. davallioides [=Vandenboshia davallioides]W96
|--T. liukienseI77
|--T. maximaI77
|--T. orientaleI77
|--T. scandens [=Vandenboshia scandins]W96
|--T. schmidtianum Zenker ex Taschn. 1843 (see below for synonymy)I88
|--T. (sect. Nesopteris) thysanostomum [=Cephalomanes thysanostomum, Nesopteris thysanostomum]PS01
`--T. venosum Brown 1810 [=Polyphlebium venosum (Brown) Cop. 1938; incl. T. venustula Colenso 1880]A61
Trichomanes incertae sedis:
T. bimarginatumI88
T. boschianumRV99
T. depauperatum Bory de Saint-Vincent 1828BS-V28
T. flabellata Bory de Saint-Vincent 1828BS-V28
T. hymenoidesPS01
T. incisumBS-V28
T. intricatum [=Vandenboschia intricata]DF97
T. minutulumBS-V28
T. neilgherienseT-W89
T. pallidumT-W89
T. parviflorum [incl. T. foeniculaceum]B78
T. parvulumB78
T. plumaT-W89
T. pyxidiferumB78
T. robinsoniiL54
T. saxifragoides Presl 1843I88 [=Gonocormus saxifragoidesH90]
T. sibthorpioidesBS-V28
T. sinuosumDF97
T. walleri [=Crepidomanes walleri]H90
T. sect. Macroglena Presl 1848 [=Macroglena Copeland 1938]A61
|--T. caudatum [=Macroglena caudata]H90
|--T. meifoliumI77
`--T. strictum Menzies ex Hook. & Grev. 1831A61 (see below for synonymy)
T. subg. ReediellaI77 [incl. Crepidopteris Cop. 1938A61]
|--T. endlicherianum Presl 1849A61 (see below for synonymy)
`--T. humileI77 [=*Crepidopteris humilisA61, C49]
T. subg. Selenodesmium [=T. sect. Selenodesmium Prantl 1875, Selenodesmium Copeland 1938]A61
|--T. rigidum [=*Selenodesmium rigidum]C49
`--T. elongatum Cunn. 1837A61 (see below for synonymy)
Nomen nudum: Trichomanes sacci Squinabol 1889S89
Trichomanes auriculatum Blume 1828 [=Crepidomanes auriculatum (Blume) Iwats. 1985, Vandenboschia auriculata (Blume) Copel. 1938]I88
Trichomanes elongatum Cunn. 1837A61 [=Selenodesmium elongatum (Cunn.) Cop. 1938A61, T. rigidum var. elongatumC06; incl. T. polyodon Colenso 1896A61]
Trichomanes endlicherianum Presl 1849A61 [=Crepidopteris endlicherianaC49; incl. T. alternans Carr. in Seem. 1873A61, T. erectum Brack. 1854A61, T. naumannii Kuhn & Luerss ex Christ 1896A61, T. tenue Brack. 1854A61]
Trichomanes schmidtianum Zenker ex Taschn. 1843 [=Crepidomanes schmidtianum (Zenker) Iwats. 1985; incl. T. latifrons v. d. B. 1863, Vandenboschia titibuensis Ito 1949]I88
Trichomanes strictum Menzies ex Hook. & Grev. 1831A61 [=Macroglena stricta (Menzies) Copeland 1938A61, T. rigidum var. strictumC06; incl. T. cunninghamiiC06, T. leptophyllum Cunn. 1837A61]
*Type species of generic name indicated
References
[A61] Allan, H. H. 1961. Flora of New Zealand vol. 1. Indigenous Tracheophyta: Psilopsida, Lycopsida, Filicopsida, Gymnospermae, Dicotyledones. R. E. Owen, Government Printer: Wellington (New Zealand).
[B78] Bentham, G. 1878. Flora Australiensis: A description of the plants of the Australian Territory vol. 7. Roxburghiaceae to Filices. L. Reeve & Co.: London.
[BS-V28] Bory de Saint-Vincent, J. B. 1828. Voyage Autour du Monde, Exécuté par Ordre du Roi, Sur la Corvette de Sa Majesté, La Coquille, pendant les années 1822, 1823, 1824 et 1825. Botanique. Cryptogamie. Arthus Bertrand: Paris.
[C06] Cheeseman, T. F. 1906. Manual of the New Zealand Flora. John Mackay, Government Printer: Wellington.
[C49] Crookes, M. W. 1949. A revised and annotated list of New Zealand Filicinae. Transactions and Proceedings of the Royal Society of New Zealand 77 (2): 209–225.
[DF97] Dassler, C. L., & D. R. Farrar. 1997. Significance of form in fern gametophytes: clonal, gemmiferous gametophytes of Callistopteris baueriana (Hymenophyllaceae). International Journal of Plant Sciences 158 (5): 622–639.
[H90] Harden, G. J. (ed.) 1990. Flora of New South Wales vol. 1. New South Wales University Press.
[I77] Iwatsuki, K. 1977. Studies in the systematics of filmy ferns III. An observation on the involucres. Botanical Magazine, Tokyo 90: 259–267.
[I88] Iwatsuki, K. 1988. An enumeration of the pteridophytes of Nepal. In: Ohba, H., & S. B. Malla (eds) The Himalayan Plants vol. 1. The University Museum, University of Tokyo, Bulletin 31: 231–339.
[L54] Lötschert, W. 1954. Beitrag zur Pteridophyten-Flora von Mittel-Amerika. Senckenbergiana Biologica 35 (1-2): 109–119.
[PS01] Pryer, K. M., A. R. Smith, J. S. Hunt & J. Y. Dubuisson. 2001. rbcL data reveal two monophyletic groups of filmy ferns (Filicopsida: Hymenophyllaceae). American Journal of Botany 88 (6): 1118–1130.
[RV99] Rumsey, F. J., J. C. Vogel, S. J. Russell, J. A. Barrett & M. Gibby. 1999. Population structure and conservation biology of the endangered fern Trichomanes speciosum Willd. (Hymenophyllaceae) at its nothern distributional limit. Biological Journal of the Linnean Society 66 (3): 333–344.
[SP09] Schuettpelz, E., & K. M. Pryer. 2009. Evidence for a Cenozoic radiation of ferns in an angiosperm-dominated canopy. Proceedings of the National Academy of Sciences of the USA 106 (27): 11200–11205.
[S89] Squinabol, S. 1889. Res Ligusticae. VII.—Cenno preliminare sulla flora fossile di Santa Giustina. Annali del Museo Civico di Storia Naturale di Genova, Serie 2a, 7: 73–76.
[T-W89] Tenison-Woods, J. E. 1889. On the vegetation of Malaysia. Proceedings of the Linnean Society of New South Wales, series 2, 4 (1): 9–106, pls 1–9.
[W96] Wallace, J. W., Jr. 1996. Chemotaxonomy of the Hymenophyllaceae. II. C-glycosylflavones and flavone-O-glycosides of Trichomanes s.l. American Journal of Botany 83: 1304–1308.
[YS03] Yatskievych, G., & A. R. Smith. 2003. Typification of Notholaena R. Br. (Pteridaceae). Taxon 52: 331–336.