Trichomanes

Contains 5 accepted taxa overall.

Characteristics
Trichomanes L.
HYMENOPHYLLACEAE
BRISTLE FERN
View USF Herbarium specimens of this family
It has recently been preferred to recognize additional genera (Ebihara et al. 2006, 2007). Didymoglossum would then include D. krausii, D. lineolatum, D. petersii, and D. punctatum and be characterized by a lack of roots, false veinlets parallel to true veins, and catadromous venation.
Classification
HYMENOPHYLLALES
Trichomanes
Citation
TRICHOMANES Linnaeus, Sp. Pl. 1097. 1753, nom. cons.
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TYPE: Trichomanes crispum Linnaeus, typ. cons.
Species
Scientific Name Common Name Herbarium Specimens Status Photos
Trichomanes holopterum ENTIRE-WINGED BRISTLE FERN Native Endangered-State
Trichomanes krausii KRAUS' BRISTLE FERN; TREEMOSS BRISTLE FERN Native Endangered-State UPL (NWPL)
Trichomanes lineolatum LINED BRISTLE FERN Native Endangered-State UPL (NWPL)
Trichomanes petersii DWARF BRISTLE FERN Native FAC (NWPL)
Trichomanes punctatum subsp. floridanum FLORIDA BRISTLE FERN Native Endemic Endangered-State Endangered-US UPL (NWPL)
[Family identification key]
1.  Roots present; leaves cespitose, clustered; leaf margin without stellate or branched hairs (Trichomanes s.str.)
T. holopterum
1.  Roots absent or with root-like shoots only; leaves separated along a long-creeping rhizome; leaf margins with dark, stellate hairs (Didymoglossum)
2
2.  Leaves pinnately lobed, with strong pinnate venation
T. krausii
2.  Leaves entire to irregularly palmately lobed, with weak pinnate venation or veins repeatedly forking from the base
3
3.  Midrib extending to apex of blade; venation weakly pinnate; indusium margin indistinct from blade surface
T. petersii
3.  Midrib absent or not extending past middle of blade; venation repeatedly forking from base; indusium margin dark, distinct from the blade surface
4
4.  Veins widening at their apex; indusium not flared at mouth
T. lineolatum
4.  Veins of uniform width; indusium flared at mouth
T. punctatum subsp. floridanum
Genus Synonyms
Synonym Full Citation Basionym Type
Crepidomanes Crepidomanes C. Presl, Epimel. Bot. 258. 1851 ("1849"); Abh. Koenigl. Boehm. Ges. Wiss., ser. 5. 6: 618. 1851. TYPE: Crepidomanes intramarginale (Hooker & Greville) C. Presl (Trichomanes intramarginale Hooker & Greville)
Davalliopsis Davalliopsis Bosch, Verslagen Meded. Afd. Natuurk. Kon. Akad. Wetensch. 11: 323. 1861. TYPE: Trichomanes prieurii Kunze Lectotypified by Copeland, Philipp. J. Sci. 67: 14. 1938.
Didymoglossum Didymoglossum Desvaux, Mem. Soc. Linn. Paris 6: 330. 1827. TYPE: Didymoglossum muscoides (Swartz) Desvaux (Trichomanes muscoides Swartz) Lectotypified by C. Christensen, Index Filicum XIV. 1906.
Feea Feea Bory, in Cuvier, Dict. Class. Hist. Nat. 6: 446. 1824. TYPE: Feea polypodina Bory Lectotypified by C. V. Morton, Contr. U.S. Natl. Herb. 38: 196. 1968.
Homoeotes Homoeotes C. Presl, Gefaessb. Stip. Farrn. 23. 1847. TYPE: Homoeotes heterophylla (Humboldt & Bonpland ex Willdenow) C. Presl (Trichomanes heterophyllum Humboldt & Bonpland ex Willdenow)
Hymenostachys Hymenostachys Bory, in Cuvier, Dict. Class. Hist. Nat. 6: 588. 1824; 8: 462. 1825. TYPE: Hymenostachys diversifrons Bory
Lacostea Lacostea Bosch, Verslagen Meded. Afd. Natuurk. Kon. Akad. Wetensch. 11: 320. 1861. TYPE: Lacostea brachypus (Kunze) Prantl (Trichomanes brachypus Kunze) Lectotypified by C. V. Morton, Contr. U.S. Natl. Herb. 38: 195. 1968.
Lecanium Lecanium C. Presl, Hymenoph. 11. 1843, non Reinwardt 1825. TYPE: Lecanium membranaceum (Linnaeus) C. Presl (Trichomanes membranaceum Linnaeus) = Lecanolepis Pichi Sermolli 1973.
Lecanolepis Lecanolepis Pichi Sermolli, Webbia 28: 449. 1973. TYPE: Lecanolepis membranacea (Linnaeus) Pichi Sermolli (Trichomanes membranaceum Linnaeus) Substitute name for Lecanium C. Presl 1843, non Reinwardt 1825.
Macroglena Macroglena (C. Presl) Copeland, Occas. Pap. Bernice P. Bishop Mus. 14: 49. 1938. BASIONYM: Trichomanes Linnaeus, subg. Macroglena C. Presl, Gefaess. Stip. Farrn 25. 1847. TYPE: Macroglena meifolia (Bory ex Willdenow) Copeland (Trichomanes meifolium Bory ex Willdenow)
Maschalosorus Maschalosorus Bosch, Verslagen Meded. Afd. Natuurk. Kon. Akad. Wetensch. 11: 320. 1861. TYPE: Trichomanes mougeotii Bosch
Microgonium Microgonium C. Presl, Hymenoph. 19, t. 6(A, B). 1843. TYPE: Microgonium cuspidatum (Willdenow) C. Presl (Trichomanes cuspidatum Willdenow)
Mortoniopteris Mortoniopteris Pichi Sermolli, Webbia 31(1): 243. 1977. TYPE: Mortoniopteris scandens (Linnaeus) Pichi Sermolli (Trichomanes scandens Linnaeus)
Neuromanes Neuromanes Trevisan de Saint-Leon, Herb. Crypt. Trevis. 4. 1851. TYPE: Neuromanes pinnatum (Hedwig) Trevisan de Saint-Leon (Trichomanes pinnatum Hedwig) Substitute name for Neurophyllum C. Presl 1843, non Torrey & A. Gray 1840.
Neurophyllum Neurophyllum C. Presl, Hymenoph. 18, t. 4(C). 1843, non Torrey & A. Gray 1840. TYPE: Neurophyllum pinnatum (Hedwig) C. Presl (Trichomanes pinnatum Hedwig) Lectotypified by C. Christensen, Index Filicum XIV. 1906. = Neuromanes Trevisan 1851.
Odontomanes Odontomanes C. Presl, Epimel. Bot. 20. 1851 ("1849"); Abh. Koenigl. Boehm. Ges. Wiss., ser. 5. 6: 380. 1851. TYPE: Odontomanes hostmannianum (Klotzsch) C. Presl (Neurophyllum hostmannianum Klotzsch)
Pteromanes Pteromanes Pichi Sermolli, Webbia 31(1): 244. 1977. TYPE: Pteromanes martiusii (C. Presl) Pichi Sermolli (Trichomanes martiusii C. Presl)
Ptilophyllum Ptilophyllum Bosch, Verslagen Meded. Afd. Natuurk. Kon. Akad. Wetensch. 11: 321. 1861, non Morris 1840, nec (Nuttall) Rafinesque 1841. TYPE: = Ragatelus C. Presl 1843.
Ragatelus Ragatelus C. Presl, Hymenoph. 16. 1843. TYPE: Ragatelus crinitus (Swartz) C. Presl (Trichomanes crinitum Swartz)
Selenodesmium Selenodesmium (Prantl) Copeland, Philipp. J. Sci. 67: 80. 1938. BASIONYM: Trichomanes Linnaeus, sect. Selenodesmium Prantl, Unters. Morph. Gefaesskrypt. 1: 53. 1875. TYPE: Selenodesmium rigidum (Swartz) Copeland (Trichomanes rigidum Swartz)
Vandenboschia Vandenboschia Copeland, Philipp. J. Aci. 67: 51. 1938. TYPE: Vandenboschia radicans (Swartz) Copeland (Trichomanes radicans Swartz)