Paraceterach paradoxa

Taxonavigation

Taxonavigation: Polypodiales
Superregnum: Eukaryota Cladus: Diaphoretickes Cladus: CAM Cladus: Archaeplastida Regnum: Plantae Divisio: Tracheophyta Divisio: Pteridophyta Classis: Polypodiopsida Ordo: Polypodiales

Paraceterach paradoxa (R.Br.) Li Bing Zhang, X.M.Zhou & Jing Zhao, Phytotaxa 731(3): 229 (2025).

Basionym
- Adiantum paradoxum R.Br., Prodr. Fl. Nov. Holland.: 155 (1810).
  - Typus: Port Jackson, 1802–1805, R.Brown Iter Austral. 63 (lectotype, designated by Field 2020: 49: BM 001044102*; possible isolectotypes: E 00208915, MEL 105709, K 001090026, LE 00008582).
Homotypic
- Pteris paradoxa (R.Br.) Desv., Mém. Soc. Linn. Paris 6(2): 294 (1827).
- Allosorus paradoxus (R.Br.) Kunze, Linnaea 23: 219 (1850).
- Pellaea paradoxa (R.Br.) Hook., Sp. Fil. 2: 135, t. 111 A (1858).
- Pteris falcata var. paradoxa (R.Br.) F.M.Bailey, Syn. Queensl. Fl.: 699 (1883).
- Allosorus falcatus var. paradoxus (R.Br.) Luerss., Journ. Mus. Godeff. 3: 12 (1873).
- Pellaea paradoxa var. normalis Domin, Biblioth. Bot. 20(85-1): 130 (1915), nom. inval.
- Hemionitis paradoxa (R.Br.) Christenh., Global Fl. 4: 19 (2018).
Heterotypic
- Pellaea cordata Fée, Mém. Foug., 5. Gen. Filic.: 130 (1852).
- Pellaea paradoxa var. trichophora Domin, Biblioth. Bot. 20(85-1): 130 (1915).
- Platyloma brownii J.Sm., J. Bot. (Hooker) 4: 160 (1841).
- Pteris cordata Siebold, Exsicc. (Syn. Fil.): n.° 269.

Native distribution areas:
Continental: Australasia Regional: Australia Norfolk Islands (Lord Howe Island), New South Wales, Queensland. References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2^nd Edition

Zhao, J., Ma, D.-N., Smith, A.R., Liang, Z.-L., Zhou, X.-M. & Zhang, L.-B. 2025. Phylogeny and systematics of the fern genus Pellaea and its allies (Pteridaceae). Phytotaxa 731(3): 221–242. DOI: 10.11646/phytotaxa.731.3.3 Reference page.
Hooker, W.J. 1851–1858. Species Filicum being descriptions of the known ferns, particularly of such as exist in the author's herbarium, or are with sufficient accuracy described in works to which are he has access; accompanied with numerous figures. Volume II containing Adiantum – Ceratopteris. v + 250 pp. + 70 tab. London: William Pamplin. BHL Biblioteca Digital MDZ Reference page.

Field, A.R. 2020. Classification and typification of Australian lycophytes and ferns based on Pteridophyte Phylogeny Group classification PPG I. Australian Systematic Botany 33(1): 1–102. DOI: 10.1071/SB18011 Reference page.

Govaerts, R. et al. 2026. Paraceterach paradoxa in Kew Science Plants of the World Online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published online. Accessed: 2026 Apr 27. Reference page.
Tropicos.org 2023. Paraceterach paradoxa. Missouri Botanical Garden. Published online. Accessed: 8 Jul 2023. Reference page.
International Plant Names Index. 2023. Paraceterach paradoxa. Published online. Accessed: 8 Jul 2023. Reference page.
Hassler, M. 2026. World Ferns. Checklist of Ferns and Lycophytes of the World. . Paraceterach paradoxa Accessed: 27 Apr 2026. Reference page.