Superregnum: Eukaryota
Regnum: Plantae
Divisio: Tracheophyta
Divisio: Pteridophyta
Classis: Polypodiopsida
Ordo: Polypodiales
Familia: Pteridaceae
Subfamilia: Vittarioideae
Genera: Adiantum – Ananthacorus – Antrophyopsis – Antrophyum – Haplopteris – Hecistopteris – Polytaenium – Radiovittaria – Rheopteris – Scoliosorus – Vaginularia – Vittaria
Names in synonymy: Anetium – (= Polytaenium) – Monogramma – (= Haplopteris)
Name
Vittarioideae Link, Fil. Spec.: 116 (1841).
Synonyms
Heterotypic
Adiantoideae
References
Primary references
Link, J.H.F. 1841. Filicum Species in Horto Regio Botanico Berolinensi Cultae. 179 pp. Veit, Berolini [Berlin]. Gallica Reference page.
Additional references
Pteridophyte Phylogeny Group (PPG I) 2016. A community-derived classification for extant lycophytes and ferns. Journal of Systematics and Evolution 54(6): 563–603. DOI: 10.1111/jse.12229 Reference page.
Christenhusz, M.J.M., Reveal, J.L., Farjon, A., Gardner, M.F., Mill, R.R. & Chase, M.W. 2011. A new classification and linear sequence of extant gymnosperms. Phytotaxa 19: 55–70. DOI: 10.11646/phytotaxa.19.1.3 Open access Reference page.
Smith, A.R., Pryer, K.M., Schuettpelz, E., Korall, P., Schneider, H. & Wolf, P.G. 2006. A classification for extant ferns. Taxon 55(3): 705–731. DOI: 10.2307/25065646 JSTOR ResearchGate PDF. Reference page.
Vernacular names
中文: 铁线蕨亚科
Vittarioideae is a subfamily of the fern family Pteridaceae, in the order Polypodiales.[1][2] The subfamily includes the previous families Adiantaceae (adiantoids or maidenhair ferns) and Vittariaceae (vittarioids or shoestring ferns).[3]
Description
The subfamily includes two distinct groups of ferns: the adiantoids, consisting of the single genus Adiantum, and the vittarioids, several genera, including Vittaria, which typically have highly reduced leaves, usually entire, and an epiphytic habit. The ferns historically considered as Adiantum include both petrophilic and terrestrial plants. The vittarioid ferns are primarily epiphytic in tropical regions and all have simple leaves with sori that follow the veins and lack true indusia; the sori are most often marginal with a false indusium formed from the reflexed leaf margin. The family also includes a species, Vittaria appalachiana, that is highly unusual in that the sporophyte stage of the life cycle is absent. This species consists solely of photosynthetic gametophytes that reproduce asexually.
Taxonomy
Molecular phylogenetic analysis demonstrated that the vittarioid ferns were nested within the genus Adiantum as it was originally circumscribed, making that genus paraphyletic. In the Pteridophyte Phylogeny Group classification of 2016 (PPG I), the family is treated as the subfamily Vittarioideae] of the family Pteridaceae.[1]
The following diagram shows a likely phylogenetic relationship between the Vittarioideae and other subfamilies of the Pteridaceae.[4][5]
Pteridaceae
Cryptogrammoideae
Parkerioideae (syn. Ceratopteridoideae)
Pteridoideae
Cheilanthoideae
Vittarioideae
History
The first suprageneric classification based on Vittaria was made by Carl Borivoj Presl in 1836, who erected the tribe Vittariaceae to contain the genera Vittaria and Prosaptia, the latter now included in the grammitid ferns. He invented the new genus Haplopteris to accommodate another group of simple-leaved ferns separated from Pteris, but placed it in tribe Adiantaceae instead, due to the location of its sori just behind the leaf margin.[6]
In his 1911 treatment of the tribe, Ralph Benedict adopted a circumscription similar to modern treatments, within which he recognized the genera Ananthacorus, Anetium, Antrophyum, Hecistopteris, Monogramma, Polytaenium, and Vittaria. He described Radiovittaria as a subgenus of Vittaria, subsumed Scoliosorus within Polytaenium as doubtfully worthy of subgeneric rank, while Rheopteris had not yet been discovered.[7] Haplopteris he explicitly synonymized with Vittaria in 1914.[8]
Carl Christensen used the name "Vittarioideae" in Verdoorn's Manual of Pteridology in 1938, but did not include a description, leaving it nomenclaturally invalid. Ren-Chang Ching raised Vittariaceae to the rank of a family in 1940.[9]
The first well-sampled molecular phylogenetic study of the vittarioids was based on the chloroplast gene rbcL. In this study, it was found that the type species of Monogramma is embedded in Haplopteris; the segregation of Vaginularia from Monogramma was also supported, as members of Vaginularia formed a clade sister to Rheopteris and distant from Monogramma sensu stricto.[10] A later molecular phylogeny, published in 2016, established the genus Antrophyopsis (formerly a subgenus of Antrophyum) for three species placed in Scoliosorus but more distant from the type of that genus than Antrophyum. This treatment also sank Anetium into Polytaenium and Monogramma into Haplopteris.[11] Since the name Monogramma has taxonomic priority over Haplopteris, a proposal to reject Monogramma in favor of Haplopteris has been put forth to conserve the name and comparatively stable circumscription of Haplopteris.[12]
Genera
The following genera are recognized in the Pteridophyte Phylogeny Group classification of 2016 (PPG I):[1]
Adiantum L.
Ananthacorus Underw. & Maxon
Antrophyopsis (Benedict) Schuettp.
Antrophyum Kaulf.
Haplopteris C.Presl
Hecistopteris J.Sm.
Polytaenium Desv.
Radiovittaria (Benedict) E.H.Crane
Rheopteris Alston
Scoliosorus T.Moore
Vaginularia Fée
Vittaria Sm.
The following phylogeny for the currently recognized genera of the subfamily was presented by Schuettpelz et al.:[5]
Vittarioideae
Adiantum
Rheopteris
Vaginularia
Hecistopteris
Radiovittaria
Haplopteris (including Monogramma s.s.)
Antrophyopsis
Antrophyum
Polytaenium
Scoliosorus
Ananthacorus
Vittaria
References
PPG I (2016). "A community-derived classification for extant lycophytes and ferns". Journal of Systematics and Evolution. 54 (6): 563–603. doi:10.1111/jse.12229.
Christenhusz, Maarten J. M.; Zhang, Xian-Chun; Schneider, Harald (2011). "A linear sequence of extant families and genera of lycophytes and ferns" (PDF). Phytotaxa. 19: 7–54. doi:10.11646/phytotaxa.19.1.2.
Smith, Alan R.; Pryer, Kathleen M.; Schuettpelz, Eric; Korall, Petra; Schneider, Harald; Wolf, Paul G. (2006). "A classification for extant ferns" (PDF). Taxon. 55 (3): 705–731. doi:10.2307/25065646. JSTOR 25065646.
Schuettpelz & Pryer (2008) "Fern phylogeny" in Biology and Evolution of Ferns and Lycophytes[permanent dead link], ed. Tom A. Ranker and Christopher H. Haufler. Cambridge University Press 2008
Schuettpelz et al. (2007) Archived 2008-08-20 at the Wayback Machine Eric Schuettpelz, Harald Schneider, Layne Huiet, Michael D. Windham, Kathleen M. Pryer: "A molecular phylogeny of the fern family Pteridaceae: Assessing overall relationships and the affinities of previously unsampled genera." Molecular Phylogenetics and Evolution 44 (2007) 1172–1185
Presl, Carl Borivoj (1836). Tentamen Pteridologiae. Prague: Filiorum Theophili Haase. pp. 141, 164.
Benedict, Ralph C. (1911). "The genera of the fern tribe Vittarieae". Bulletin of the Torrey Botanical Club. 38 (4): 153–190. doi:10.2307/2479298. hdl:2027/nnc1.cu56099444. JSTOR 2479298.
Benedict, Ralph C. (1914). "A revision of the genus Vittaria J. E. Smith". Bulletin of the Torrey Botanical Club. 41 (8): 391–410. doi:10.2307/2479721. JSTOR 2479721.
Ching, Ren-Chang (1940). "On natural classification of the family Polypodiaceae". Sunyatsenia. 5: 232.
Bradley Ruhfel, Stuart Lindsay, and Charles C. Davis. 2008. "Phylogenetic Placement of Rheopteris and the Polyphyly of Monogramma (Pteridaceae s.l.): Evidence from rbcL Sequence Data". Systematic Botany 33(1):37-43, doi:10.1600/036364408783887410
Schuettpelz, Eric; Chen, Cheng-Wei; Kessler, Michael; Pinson, Jerald B.; Johnson, Gabriel; Davila, Alex; Cochran, Alyssa T.; Huiet, Layne; Pryer, Kathleen M. (August 2016). "A revised generic classification of vittarioid ferns (Pteridaceae) based on molecular, micromorphological, and geographic data" (PDF). Taxon. 65 (4): 708–722. doi:10.12705/654.2.
Chen, Cheng Wei; Schuettpelz, Eric; Lindsay, Stuart; Middleton, David J. (August 2016). "Proposal to conserve the name Haplopteris against Monogramma (Pteridaceae)". Taxon. 65 (4): 884–885. doi:10.12705/654.19.
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