Pellaea rotundifolia

Species of fern

Button fern

Scientific classification
Kingdom:  | Plantae
Clade:  | Tracheophytes
Division:  | Polypodiophyta
Class:  | Polypodiopsida
Order:  | Polypodiales
Family:  | Pteridaceae
Genus:  | Pellaea
Species:  |

P. rotundifolia

Binomial name
Pellaea rotundifolia

(G. Forst.) Hook.

Synonyms[1]

* Allosorus rotundifolius (G.Forst.) Kunze
* Hemionitis rotundifolia (G.Forst.) Christenh.
* Platyloma rotundifolium (G.Forst.) J.Sm.
* Pteris rotundifolia G.Forst.

Pellaea rotundifolia, the button fern, is a species of fern endemic to New Zealand, where it grows in scrub and forests.[2] It is also a popular garden plant (in zones 8 and 9) and house plant, tolerating low temperatures but not freezing.[3]

Pellaea rotundifolia is a compact, evergreen fern that can have more than 30 pairs of round, dark-green, leathery pinnae on fronds up to 18 in (460 mm) in length.[2] The Latin specific epithet rotundifolia means “round-leaved”.[4]

* Underside of the pinnae

* In cultivation

## Cultivation[edit]

It needs acidic and well-drained soil; it does not appreciate the moist, humid conditions that most ferns require so does well with minimal watering.[2]

This plant has gained the Royal Horticultural Society’s Award of Garden Merit.[3][5]

## References[edit]

1. ^ Hassler, Michael & Schmitt, Bernd (November 2019). "Pellaea rotundifolium [sic]". Checklist of Ferns and Lycophytes of the World. 8.11. Retrieved 2019-01-05.
2. ^ a b c Olsen, Sue. Encyclopedia of Garden Ferns. 2007.
3. ^ a b "RHS Plantfinder - Pellaea rotundifolia". Retrieved 18 April 2018.
4. ^ Harrison, Lorraine (2012). RHS Latin for Gardeners. United Kingdom: Mitchell Beazley. ISBN 978-1845337315.
5. ^ "AGM Plants - Ornamental" (PDF). Royal Horticultural Society. July 2017. p. 75. Retrieved 21 April 2018.

* Sp. fil. 2:136. 1858.
* G. Brownlie, "Cyto-Taxonomic Studies on New Zealand Pteridaceae", New Phytologist, Vol. 56, No. 2 (Jul., 1957), pp. 207–209.
* Gerald J. Gastony and David R. Rollo, "Phylogeny and Generic Circumscriptions of Cheilanthoid Ferns (Pteridaceae: Cheilanthoideae) Inferred from rbcL Nucleotide Sequences", American Fern Journal, Vol. 85, No. 4, Use of Molecular Data in Evolutionary Studies of Pteridophytes (Oct. - Dec., 1995), pp. 341–360.
* Nico Vermeulen, Encyclopedia of House Plants, Taylor & Francis, 1999, pages 22–23. ISBN 978-1-57958-108-4.

Taxon identifiers

Pellaea rotundifolia|

* Wikidata: Q7161522
* Wikispecies: Pellaea rotundifolia
* APNI: 177437
* CoL: 76C6F
* EoL: 6123662
* EPPO: PJLRO
* GBIF: 5566702
* GRIN: 407071
* iNaturalist: 198915
* IPNI: 17171670-1
* MoBotPF: 251861
* NCBI: 40973
* NZOR: 7de6fa91-d33d-4954-9f70-e5f708bc863a
* NZPCN: 2217
* Open Tree of Life: 1055350
* Plant List: tro-100367238
* POWO: urn:lsid:ipni.org:names:17171670-1
* RHS: 12410
* Tropicos: 100367238
* WFO: wfo-0001040273

Pteris rotundifolia|

* Wikidata: Q38242731
* APNI: 72900
* GBIF: 5613941
* iNaturalist: 405419
* IPNI: 17216180-1
* NZOR: 810c843b-26ea-468d-afd0-48e2db8d96e0
* POWO: urn:lsid:ipni.org:names:17216180-1
* Tropicos: 100367237
* WFO: wfo-0001040272

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