Brittle bladder fern Cystopteris fragilis, photographed by Carl Farmer.

Belongs within: Pteridales.

The Woodsiaceae is a cosmopolitan family of mostly terrestrial ferns. The circumscription of this family has been somewhat contentious in the past in relation to other possible families such as Athyriaceae. The cliff ferns of the genus Woodsia are found in northern temperate regions.

Characters (from Smith et al. 2006): Rhizomes creeping, ascending, or erect; scales at apices, these usually non-clathrate, glabrous, glandular, or ciliate; petioles with two elongate or crescent-shaped vascular bundles facing one another, these uniting distally into a gutter-shape; blades monomorphic, rarely dimorphic; veins pinnate or forking, free, uncommonly anastomosing and then without included veinlets; sori abaxial, round, J-shaped, or linear with reniform to linear indusia, or exindusiate; spores reniform, monolete, perine winged, ridged or spiny; mostly x = 40, 41, also 31, 33, 38, 39, and 42.

    |--Matteuccia orientalis (Hooker) Trev. 1869 [=Struthiopteris orientalis Hooker 1860, Onoclea orientalis] I88
    |--Diplaziopsis javanica (Blume) Christensen 1905 (see below for synonymy) I88
    |--Cornopteris I88
    |    |--C. opaca (Don) Tagawa 1939 (see below for synonymy) I88
    |    `--C. quadripinnatifida Kato 1979 I88
    |--Gymnocarpium I88
    |    |--G. jessoense (Koidz.) Koidz. 1936 [=Dryopteris jessoensis Koidz. 1924] I88
    |    `--G. oyamense (Baker) Ching 1933 [=Polypodium oyamense Baker 1877, Currania oyamense (Baker) Copel. 1947] I88
    |--Woodsia I88
    |    |--W. andersonii (Bedd.) Christ 1905 [=Gymnogramma andersonii Bedd. 1868; incl. W. hyperborea Brown 1810] I88
    |    |--W. cycloloba Hand.-Mzt. 1929 I88
    |    |--W. elongata Hooker 1844 [=Cheilanthopsis elongata (Hooker) Copel. 1931] I88
    |    |--W. mollis L54
    |    |--W. montevidensis J87
    |    `--W. polystichoides SS04
    |--Deparia SL05
    |    |--D. achrostichoides SL05
    |    |--D. allantodioides (Bedd.) Kato 1984 (see below for synonymy) I88
    |    |--D. boryana (von Willdenow) Kato 1977 (see below for synonymy) I88
    |    |--D. japonica (Thunberg) Kato 1977 I88 (see below for synonymy)
    |    |--D. petersenii (Kunze) Kato 1977 [=Asplenium petersenii Kunze 1837] I88
    |    `--D. subfluvialis (Hayata) Kato 1984 [=Dryopteris subfluvialis Hayata 1915] I88
    |--Cystopteris Bern. 1811 SL05, M03
    |    |--C. fragilis (Linnaeus) Bernhardi 1806 I88 [=Polypodium fragile Linnaeus 1753 I88, Filix fragilis M03]
    |    |--C. novaezelandiae A27
    |    |--C. protrusa SL05
    |    |--C. sudetica Br. & Milde 1855 I88
    |    |    |--C. s. var. sudetica I88
    |    |    `--C. s. var. moupinensis (Franch.) Blasdell 1963 [=C. moupinensis Franch. 1887] I88
    |    `--C. tenuisecta (Blume) Mett. 1864 [=Aspidium tenuisectum Blume 1828; incl. C. setosa Bedd. 1862] I88
    `--Anisogonium esculentum (Retzius) Presl 1836 B06 (see below for synonymy)

Anisogonium esculentum (Retzius) Presl 1836 B06 [=Hemionitis esculenta Retzius 1791 I88, Asplenium esculentum I88, Callipteris esculentum (Retzius) Smith apud Houlst. & Moore 1851 B06, Diplazium esculentum (Retzius) Swartz 1803 I88]

Cornopteris opaca (Don) Tagawa 1939 [=Hemionitis opaca Don 1825, Gymnogramma opaca (Don) Spr. 1827, Leptogramma opaca (Don) Bedd. 1883] I88

Deparia allantodioides (Bedd.) Kato 1984 [=Athyrium allantodioides Bedd. 1867; incl. Diplazium stoliczkae var. hirsutipes Bedd. 1883] I88

Deparia boryana (von Willdenow) Kato 1977 [=Aspidium boryanum von Willdenow 1810, Dryoathyrium boryanum (von Willdenow) Ching 1941, Lastrea boryana (von Willdenow) Moore 1856, Nephrodium boryanum] I88

Deparia japonica (Thunberg) Kato 1977 I88 [=Asplenium japonicum Thunberg 1784 I88, Athyrium japonicum C49, Diplazium japonicum (Thunberg) Bedd. 1876 I88, Lunathyrium japonicum (Thunberg) Kurata 1961 I88]

Diplaziopsis javanica (Blume) Christensen 1905 [=Asplenium javanicum Blume 1828, Allantodia javanica (Blume) Trev. 1895] I88

*Type species of generic name indicated


[A27] Andersen, J. C. 1927. Popular names of New Zealand plants. Transactions and Proceedings of the New Zealand Institute 57: 905-977.

[B06] Biswas, A. 2006. Pteridophytes of Indian Botanic Garden, Howrah. Bulletin of the Botanical Survey of India 48 (1-4): 175-188.

[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.

[I88] Iwatsuki, K. 1988. An enumeration of the pteridophytes of Nepal. In The Himalayan Plants vol. 1 (H. Ohba & S. B. Malla, eds) The University Museum, University of Tokyo, Bulletin 31: 231-339.

[J87] Judd, W. S. 1987. Floristic study of Morne La Visite and Pic Macaya National Parks, Haiti. Bulletin of the Florida State Museum – Biological Sciences 32 (1): 1-136.

[L54] Lötschert, W. 1954. Beitrag zur Pteridophyten-Flora von Mittel-Amerika. Senckenbergiana Biologica 35 (1-2): 109-119.

[M03] Macloskie, G. 1903. Pteridophyta, ferns and fernlike plants. In Reports of the Princeton University Expeditions to Patagonia, 1896-1899, vol. 8 – Botany (W. B. Scott, ed.) pp. 127-138. The University: Princeton (New Jersey).

[SS04] Schneider, H., E. Schuettpelz, K. M. Pryer, R. Cranfill, S. Magallón & R. Lupia. 2004. Ferns diversified in the shadow of angiosperms. Nature 428: 553-557.

[SL05] Small, R. L., E. B. Lickey, J. Shaw & W. D. Hauk. 2005. Amplification of noncoding chloroplast DNA for phylogenetic studies in lycophytes and monilophytes with a comparative example of relative phylogenetic utility from Ophioglossaceae. Molecular Phylogenetics and Evolution 36: 509-522.

Smith, A. R., K. M. Pryer, E. Schuettpelz, P. Korall, H. Schneider & P. G. Wolf. 2006. A classification for extant ferns. Taxon 55 (3): 705-731.

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