1. Family: Aspleniaceae Newman
    1. Genus: Thelypteris Schmidel
      1. Thelypteris unita (L.) Morton

        This species is accepted, and its native range is Tanzania to W. Pacific.

    [FTEA]

    Thelypteridaceae, Bernard Verdcourt. Flora of Tropical East Africa. 2006

    Type
    Type: locality unknown, collector unknown (LINN, lecto., seen by Holttum)
    Rhizomes
    Rhizome long-creeping, 5–7 mm in diameter with pale brown lanceolatetriangular acute glabrous scales 2–3 mm long
    Leaves
    Fronds widely spaced, coriaceous, 1.2 m tall
    Stipes
    Stipe 10–58 cm long.
    Leaf lamina
    Lamina oblong to ovate, 30–60 cm long, 20–25 cm wide, bipinnatifid with 6–12 lower pairs of pinnae reduced, the smallest about 1 cm long and numerous aerophores beneath; largest pinnae linear-lanceolate, 10–17 cm long, 0.8–1.5 cm wide, narrowly attenuate to the apex, hairy beneath on costa and lower surface with many orange-brown glossy glands (can be lacking or restricted to veins and costulae in non-African varieties), lobed for about 1/3 into ovate-oblong lobes, 2–4 mm long, 2.5 mm wide; veins 8–10 pairs, 11/2 pairs anastomosing with next 2–4 pairs passing to sides of the sinus membrane
    Sori
    Sori ± 7 on each side of costule; indusia ± glabrous or with few hairs and glands; sporangia with glands.

    Images

    Distribution

    Native to:

    Assam, Borneo, Caroline Is., Comoros, Fiji, India, Jawa, Lesser Sunda Is., Madagascar, Malaya, Maluku, Marianas, Mauritius, Myanmar, New Guinea, Northern Territory, Philippines, Queensland, Rodrigues, Réunion, Samoa, Seychelles, Solomon Is., Sri Lanka, Sulawesi, Sumatera, Tanzania, Thailand, Tonga, Tubuai Is., Vietnam

    Thelypteris unita (L.) Morton appears in other Kew resources:

    Date Reference Identified As Barcode Type Status
    Jan 1, 2013 Gurung, V.L. [54], Malaysia Cyclosorus unitus K000117246
    Jan 1, 2013 Gurung, V.L. [54], Malaysia Cyclosorus unitus K000117247
    Dec 1, 2006 Edwards, P.J. [4039], Indonesia Sphaerostephanos unitus var. mucronatus K000446942
    Dec 1, 2006 Edwards, P.J. [4039], Indonesia Sphaerostephanos unitus var. mucronatus K000446943
    Dec 1, 2006 Edwards, P.J. [4039], Indonesia Sphaerostephanos unitus var. mucronatus K000446944
    Dec 1, 2006 Edwards, P.J. [4039], Indonesia Sphaerostephanos unitus var. mucronatus K000446945
    Feb 6, 2006 Barbon [PPI 2296], Philippines Sphaerostephanos unitus var. mucronatus K000408772
    Feb 1, 2006 Barbon [PPI2296], Philippines Sphaerostephanos unitus var. mucronatus K000408773
    Jan 1, 2006 Micholitz, W. [82], Philippines Sphaerostephanos unitus var. mucronatus K000408319
    Sep 1, 2005 Main [1622], Indonesia Sphaerostephanos unitus var. mucronatus K000398524
    Sep 1, 2005 Burbidge, F.W. [s.n.], Malaysia Sphaerostephanos unitus var. mucronatus K000398508
    Sep 1, 2005 Burbidge, F.W. [s.n.], Malaysia Sphaerostephanos unitus var. mucronatus K000398509
    Sep 1, 2005 Gibbs, L.S. [3007], Malaysia Sphaerostephanos unitus var. mucronatus K000398507
    Sep 1, 2005 Ellen, R.F. [61], Indonesia Sphaerostephanos unitus var. mucronatus K000398526
    Sep 1, 2005 Iwatsuki, k. [B195], Indonesia Sphaerostephanos unitus var. mucronatus K000398500
    Sep 1, 2005 Iwatsuki, k. [B195], Indonesia Sphaerostephanos unitus var. mucronatus K000398501
    Sep 1, 2005 Joncheere, G.J. de [1569], Indonesia Sphaerostephanos unitus var. mucronatus K000398522
    Sep 1, 2005 Joncheere, G.J. de [1569], Indonesia Sphaerostephanos unitus var. mucronatus K000398523
    Nov 1, 2004 Duaneh, J. [281], Malaysia Sphaerostephanos unitus var. mucronatus K000236244
    Sep 1, 2004 Sinaga, N.I. [564], Indonesia Sphaerostephanos unitus var. mucronatus K000448435
    Sep 1, 2004 Sinaga, N.I. [564], Indonesia Sphaerostephanos unitus var. mucronatus K000448436
    Sep 1, 2004 BI [50], Indonesia Sphaerostephanos unitus var. mucronatus K000448433
    Sep 1, 2004 BI [50], Indonesia Sphaerostephanos unitus var. mucronatus K000448434
    Jun 1, 1997 Johns, R.J. [7843], Indonesia Sphaerostephanos unitus var. mucronatus K000451911
    Jun 1, 1997 Johns, R.J. [7843], Indonesia Sphaerostephanos unitus var. mucronatus K000451912
    Jun 1, 1997 Johns, R.J. [7843], Indonesia Sphaerostephanos unitus var. mucronatus K000451913
    Jun 1, 1997 Johns, R.J. [7843], Indonesia Sphaerostephanos unitus var. mucronatus K000451914
    Jun 1, 1997 Johns, R.J. [7843], Indonesia Sphaerostephanos unitus var. mucronatus K000451915
    May 1, 1997 Johns, R.J. [7905], Indonesia Sphaerostephanos unitus var. mucronatus K000451908
    May 1, 1997 Johns, R.J. [7905], Indonesia Sphaerostephanos unitus var. mucronatus K000451909
    Dec 1, 1996 Lam, H.J. [3672], Indonesia Sphaerostephanos unitus var. mucronatus K000398536
    Dec 1, 1996 Anonymous [s.n.] Sphaerostephanos unitus var. mucronatus K000398493
    Dec 1, 1996 Buwalda, P. [5856], Indonesia Sphaerostephanos unitus var. mucronatus K000398537
    Dec 1, 1996 Barber [301] Sphaerostephanos unitus var. mucronatus K000398490
    Dec 1, 1996 Ellen, R.F. [764], Indonesia Sphaerostephanos unitus var. mucronatus K000398525
    Dec 1, 1996 Idjan [1], Indonesia Sphaerostephanos unitus var. mucronatus K000398534
    Dec 1, 1996 Idjan [329], Indonesia Sphaerostephanos unitus var. mucronatus K000398535
    Dec 1, 1996 Korthals, P.W. [s.n.] Sphaerostephanos unitus var. mucronatus K000398491
    Dec 1, 1996 Korthals, P.W. [s.n.] Sphaerostephanos unitus var. mucronatus K000398492
    Dec 1, 1996 Savinierre, E. de la [166], Indonesia Sphaerostephanos unitus var. mucronatus K000398520
    Dec 1, 1996 Wallace, A.R. [s.n.], Borneo Sphaerostephanos unitus var. mucronatus K000398489
    Dec 1, 1996 Kadir, A. [A2021], Malaysia Sphaerostephanos unitus var. mucronatus K000398512
    Dec 1, 1996 Kadir, A. [A2021], Malaysia Sphaerostephanos unitus var. mucronatus K000398513
    Dec 1, 1996 Monod de Froideville, Ch. [1819], Indonesia Sphaerostephanos unitus var. mucronatus K000398488
    Dec 1, 1996 [Curtis, C.] [s.n.], Indonesia Sphaerostephanos unitus var. mucronatus K000398538
    Jul 1, 1996 Ramlanto [930], Indonesia Sphaerostephanos unitus var. mucronatus K000398498
    Jul 1, 1996 Ramlanto [930], Indonesia Sphaerostephanos unitus var. mucronatus K000398499
    Jul 12, 1994 Christensen, H. [1317], Malaysia Sphaerostephanos unitus var. mucronatus K000398495
    Jul 12, 1994 Christensen, H. [1317], Malaysia Sphaerostephanos unitus var. mucronatus K000398496
    Jul 12, 1994 Christensen, H. [1317], Malaysia Sphaerostephanos unitus var. mucronatus K000398497
    Jan 1, 1987 Buwalda, P. [4832], Indonesia Sphaerostephanos unitus var. mucronatus K000451922
    Jan 1, 1987 Craven, I. [1], Indonesia Sphaerostephanos unitus var. mucronatus K000451910
    May 16, 1986 Ramlanto [142], Indonesia Sphaerostephanos unitus var. mucronatus K000398521
    Jan 1, 1981 Versteeg, G.M. [1099], Indonesia Sphaerostephanos unitus var. mucronatus K000451924
    Jan 1, 1981 Docters van Leeuwen, W.M. [9277], Indonesia Sphaerostephanos unitus var. mucronatus K000451920
    Jan 1, 1981 Eyma, P.J. [4775], Indonesia Sphaerostephanos unitus var. mucronatus K000451923
    Jan 1, 1981 Pleyte, D.R. [447], Indonesia Sphaerostephanos unitus var. mucronatus K000451921
    Jan 1, 1979 Parris, B.S. [7091], Malaysia Sphaerostephanos unitus var. mucronatus K000398502
    Jan 1, 1979 Parris, B.S. [7091], Malaysia Sphaerostephanos unitus var. mucronatus K000398503
    Jan 1, 1978 Verdcourt, B. [5046], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445324
    Jan 1, 1978 Verdcourt, B. [5046], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445325
    Jan 1, 1978 Lobin, W. [s.n.], Philippines Sphaerostephanos unitus var. mucronatus K000408313
    Jan 1, 1978 Lobin, W. [s.n.], Philippines Sphaerostephanos unitus var. mucronatus K000408314
    Jan 1, 1978 Shea, G. [SAN77269], Malaysia Sphaerostephanos unitus var. mucronatus K000398504
    Jan 1, 1978 Shea, G. [SAN77269], Malaysia Sphaerostephanos unitus var. mucronatus K000398505
    Jan 1, 1978 Shea, G. [SAN77269], Malaysia Sphaerostephanos unitus var. mucronatus K000398506
    Oct 19, 1977 Cuming, H. [182], Philippines Sphaerostephanos unitus var. mucronatus K000408078 isolectotype
    Oct 19, 1977 Anonymous [s.n.] Sphaerostephanos unitus var. mucronatus K000398494
    Jan 18, 1977 MacGregor, W. [114], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445368
    Jan 1, 1977 Bamler, G. [65], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000547883
    Jan 1, 1976 Dransfield, J. [3828], Indonesia Sphaerostephanos unitus var. mucronatus K000398517
    Jan 1, 1965 Dissing, H. [2524], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445379
    Carr, C.E. [14988], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445334
    Wood, G.H.S. [2051], Malaysia Sphaerostephanos unitus var. mucronatus K000398510
    Brass, L.J. [25461], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445359
    Brass, L.J. [28686], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445369
    Brass, L.J. [25461], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445360
    Brass, L.J. [28551], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445370
    Brass, L.J. [28169], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445371
    Brass, L.J. [933], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445333
    Clemens, J. [26928], Malaysia Sphaerostephanos unitus var. mucronatus K000398511
    Clemens, J. [29240], Malaysia Sphaerostephanos unitus var. mucronatus K000398516
    Cheesman, L.E. [196], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445332
    Jermy, A.C. [8016B], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445323
    Millar, A.N. [NGF15873], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445327
    Hoogland, R.D. [4757], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445367
    Johns, R.J. [8152], Indonesia Sphaerostephanos unitus var. mucronatus K000451916
    Johns, R.J. [8152], Indonesia Sphaerostephanos unitus var. mucronatus K000451917
    Johns, R.J. [8152], Indonesia Sphaerostephanos unitus var. mucronatus K000451918
    Johns, R.J. [8152], Indonesia Sphaerostephanos unitus var. mucronatus K000451919
    Stevens, P.F. [LAE54116], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445376
    Piggott, A.G. [2278], Philippines Sphaerostephanos unitus var. mucronatus K000408317
    Piggott, A.G. [2278], Philippines Sphaerostephanos unitus var. mucronatus K000408318
    Parris, B.S. [5764], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445366
    Parris, B.S. [4379], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445361
    Parris, B.S. [5630], Philippines Sphaerostephanos unitus var. mucronatus K000408080
    Parris, B.S. [5630], Philippines Sphaerostephanos unitus var. mucronatus K000408081
    Parris, B.S. [4379], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445362
    Parris, B.S. [7683], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445311
    Parris, B.S. [6370], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445314
    Parris, B.S. [6370], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445315
    Parris, B.S. [4380], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445317
    Parris, B.S. [7683], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445310
    Parris, B.S. [6370], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445313
    Parris, B.S. [4380], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445316
    Parris, B.S. [11058], Indonesia Sphaerostephanos unitus var. mucronatus K000398528
    Parris, B.S. [11058], Indonesia Sphaerostephanos unitus var. mucronatus K000398529
    Dransfield, J. [3828], Indonesia Sphaerostephanos unitus var. mucronatus K000398518
    Dransfield, J. [3828], Indonesia Sphaerostephanos unitus var. mucronatus K000398519
    Loher, A. [1103], Philippines Sphaerostephanos unitus var. mucronatus K000408071
    Cuming, H. [182], Philippines Sphaerostephanos unitus var. mucronatus K000399214 isotype
    Cuming, H. [278], Philippines Sphaerostephanos unitus var. mucronatus K000408079 syntype
    Cuming, H. [182], Philippines Sphaerostephanos unitus var. mucronatus K000408276 Unknown type material
    Ramos, M. [2690], Philippines Sphaerostephanos unitus var. mucronatus K000408069
    Ramos, M. [33805], Philippines Sphaerostephanos unitus var. mucronatus K000408075
    Elmer, A.D.E. [6468], Philippines Sphaerostephanos unitus var. mucronatus K000408068
    Elmer, A.D.E. [17731], Philippines Sphaerostephanos unitus var. mucronatus K000408074
    Elmer, A.D.E. [7769], Philippines Sphaerostephanos unitus var. mucronatus K000408084
    Elmer, A.D.E. [16499], Philippines Sphaerostephanos unitus var. mucronatus K000408274
    Elmer, A.D.E. [9004], Philippines Sphaerostephanos unitus var. mucronatus K000408275
    Whitford, H.N. [662], Philippines Sphaerostephanos unitus var. mucronatus K000408070
    Croft, J.R. [416], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445318
    Croft, J.R. [2090], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445377
    Croft, J.R. [NGF12979], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445382
    Croft, J.R. [1159], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445380
    Croft, J.R. [844], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445331
    Croft, J.R. [416], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445319
    Croft, J.R. [2090], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445378
    Croft, J.R. [1159], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445381
    Croft, J.R. [NGF12979], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445383
    Croft, J.R. [NGF12979], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445384
    Croft, J.R. [844], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445330
    Takeuchi, W. [17800], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000608235
    Pullen, R. [7620], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445363
    Pullen, R. [7620], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445364
    Pullen, R. [7620], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445365
    Pullen, R. [8101], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445375
    Pullen, R. [8101], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445374
    Henty, E.E. [NGF49729], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445320
    Henty, E.E. [NGF49729], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445322
    Henty, E.E. [NGF49729], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445321
    Floyd, A.G. [NGF7450], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445326
    Gay, H.J. [390], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445328
    Gay, H.J. [390], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445329
    Gay, H.J. [715], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445309
    Cuadra, A. [A2344], Malaysia Sphaerostephanos unitus var. mucronatus K000398514
    Cuadra, A. [A2344], Malaysia Sphaerostephanos unitus var. mucronatus K000398515
    Reillo, J. [16472], Philippines Sphaerostephanos unitus var. mucronatus K000408312
    Iwatsuki, k. [P46], Philippines Sphaerostephanos unitus var. mucronatus K000408082
    Iwatsuki, k. [P46], Philippines Sphaerostephanos unitus var. mucronatus K000408083
    Kato, M. [C12958], Indonesia Sphaerostephanos unitus var. mucronatus K000398527
    Kato, M. [C12958], Indonesia Sphaerostephanos unitus var. mucronatus K000398530
    Kato, M. [C12958], Indonesia Sphaerostephanos unitus var. mucronatus K000398531
    Kato, M. [C14244], Indonesia Sphaerostephanos unitus var. mucronatus K000398532
    Kato, M. [C14244], Indonesia Sphaerostephanos unitus var. mucronatus K000398533
    Edaño, G.E. [93805], Philippines Sphaerostephanos unitus var. mucronatus K000408077
    Edaño, G.E. [40518], Philippines Sphaerostephanos unitus var. mucronatus K000408272
    Edaño, G.E. [35880], Philippines Sphaerostephanos unitus var. mucronatus K000408273
    Devore [218], Philippines Sphaerostephanos unitus var. mucronatus K000408311
    Kondo, Y. [38643], Philippines Sphaerostephanos unitus var. mucronatus K000408316
    Pulsford, M. [UPNG60], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445373
    Sillitoe, P. [7176], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445372
    Sandermann Olsen [985], Philippines Sphaerostephanos unitus var. mucronatus K000408277
    Mitchell, F. [3832], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445357
    Mitchell, F. [3832], Papua New Guinea Sphaerostephanos unitus var. mucronatus K000445358
    Sandermann Olsen. [146], Philippines Sphaerostephanos unitus var. mucronatus K000408315
    Wallich, N. [Cat. no. 298], Singapore Polypodium caudigerum K001109740
    Porter, G. [Cat. no. 298], Malaysia Polypodium caudigerum K001109739
    Wight [190], Malaysia Sphaerostephanos unitus K000117253
    Anonymous [s.n.], Malaysia Sphaerostephanos unitus K000117254
    Griffith, W. [171], Malaysia Sphaerostephanos unitus K000117255
    Wallich, N. [Cat. no. 358], Mauritius Aspidium unitum K001109877
    Wallich, N. [Cat. no. 358], Malaysia Aspidium unitum K001109878
    Wallich, N. [Cat. no. 358], Mauritius Aspidium unitum K001109879
    s.coll. [Cat. no. 358] Aspidium unitum K001109880
    s.coll. [Cat. no. 358] Aspidium unitum K001109881
    Oct 1, 1997 Takeuchi, W. [10784], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446272
    Oct 1, 1997 Takeuchi, W. [10784], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446273
    May 1, 1997 Johns, R.J. [7906], Indonesia Sphaerostephanos unitus var. papillifer K000446260
    May 1, 1997 Johns, R.J. [7971], Indonesia Sphaerostephanos unitus var. papillifer K000446262
    May 1, 1997 Johns, R.J. [7906], Indonesia Sphaerostephanos unitus var. papillifer K000446261
    May 1, 1997 Johns, R.J. [7971], Indonesia Sphaerostephanos unitus var. papillifer K000446263
    May 1, 1997 Johns, R.J. [7906], Indonesia Sphaerostephanos unitus var. papillifer K000475505
    Jan 1, 1978 Verdcourt, B. [5158], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446269
    Jan 1, 1978 Verdcourt, B. [5158], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446268
    Feb 1, 1971 Hoogland, R.D. [9084], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446266 Unknown type material
    Schodde, R. [1403], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446278
    Hoogland, R.D. [5349], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446270
    Hoogland, R.D. [5376], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446271
    Vink, W. [16566], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446277
    Woodhams, J.R. [s.n.], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446267
    Sleumer, H. [4408], Indonesia Sphaerostephanos unitus var. papillifer K000446283
    Sleumer, H. [4408], Indonesia Sphaerostephanos unitus var. papillifer K000446279
    Croft, J.R. [LAE68120], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446276
    Croft, J.R. [LAE68120], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446275
    Docters van Leeuwen, W.M. [10734], Indonesia Sphaerostephanos unitus var. papillifer K000446265
    Docters van Leeuwen, W.M. [10734], Indonesia Sphaerostephanos unitus var. papillifer K000446264
    Wheeler, J.M. [ANU5599], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446280
    Wheeler, J.M. [ANU5599], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446281
    Kinbag, F. [026], Papua New Guinea Sphaerostephanos unitus var. papillifer K000446274

    First published in Amer. Fern J. 49: 113 (1959)

    Accepted by

    • Fraser-Jenkins, C.R. & al. (2018). An Annotated Checklist of Indian Pteridophytes 2: 1-573. Dehra Dun : BSMPS.
    • Fraser-Jenkins, C.R. & al. (2017). An Annotated Checklist of Indian Pteridophytes 1: 1-562. Dehra Dun : BSMPS.

    Not accepted by

    • Roskov Y. & al. (eds.) (2018). World Ferns: Checklist of Ferns and Lycophytes of the World Species 2000 & ITIS Catalogue of Life Naturalis, Leiden, the Netherlands. [Cited as Sphaerostephanos unitus.]

    Literature

    Kew Backbone Distributions
    • Fraser-Jenkins, C.R. & al. (2017). An Annotated Checklist of Indian Pteridophytes 1: 1-562. Dehra Dun : BSMPS.

    Sources

    Flora of Tropical East Africa
    Flora of Tropical East Africa
    http://creativecommons.org/licenses/by-nc-sa/3.0

    Herbarium Catalogue Specimens
    'The Herbarium Catalogue, Royal Botanic Gardens, Kew. Published on the Internet http://www.kew.org/herbcat [accessed on Day Month Year]'. Please enter the date on which you consulted the system.
    Digital Image © Board of Trustees, RBG Kew http://creativecommons.org/licenses/by/3.0/

    Kew Backbone Distributions
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0

    Kew Names and Taxonomic Backbone
    The International Plant Names Index and World Checklist of Selected Plant Families 2019. Published on the Internet at http://www.ipni.org and http://apps.kew.org/wcsp/
    © Copyright 2017 International Plant Names Index and World Checklist of Selected Plant Families. http://creativecommons.org/licenses/by/3.0