SimplePlant

Cystopteridaceae

Scented oak fern

Gymnocarpium robertianum (Hoffm.) Newman

Family
Cystopteridaceae
Genus
Gymnocarpium

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Scented oak fern: The fern Gymnocarpium robertianum growing on limestone pavement at its only extant Irish location near Ballisnahyny county Mayo.
Photo: Wolffia, CC BY-SA 3.0, from Wikimedia Commons

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Common names

By language (18)
Belarusian
Галакучнік Роберта
Bulgarian
Варовит гимнокарпиум
Chinese
密腺羽节蕨, 阿尔泰羽节蕨, 密腺羽節蕨
Czech
Bukovník vápencový
Dutch
Rechte driehoeksvaren
English
Scented oak fern, Scented oakfern, Limestone fern
Estonian
Paas-kolmissõnajalg
Finnish
Kalkki-imarre
French
Gymnocarpe de Robert, Lastrée du calcaire
German
Ruprechtsfarn
Hungarian
Mirigyes tölgyespáfrány, Mirigyes hármaslevelűpáfrány
Irish
Raithneach aolchloiche
Macedonian
Gymnocaprium robertianum
Norwegian Bokmål
Kalktelg
Polish
Cienistka Roberta
Russian
Голокучник Робертов, Голокучник Роберта
Swedish
Kalkbräken
Welsh
Rhedynen y calchfaen

Synonyms

  • Aspidium calcareum (Sm.) Baumg.
  • Aspidium robertianum (Hoffm.) Luerss.
  • Carpogymnia dryopteris var. pumila (DC.) B.Boivin
  • Carpogymnia robertiana (Hoffm.) Á.Löve & D.Löve
  • Currania robertiana (Hoffm.) Wherry
  • Dryopteris disjuncta subsp. calcarea (Sm.) Rouy
  • Dryopteris obtusifolia (Schrank) O.Schwarz
  • Dryopteris robertiana (Hoffm.) C.Chr.
  • Gymnocarpium altaycum Chang Y.Yang
  • Gymnocarpium dryopteris var. pumilum (DC.) B.Boivin
  • Gymnocarpium obtusifolium (Schrank) O.Schwarz
  • Lastrea calcarea Bory
  • Lastrea dryopteris var. robertiana (Hoffm.) Lawalrée
  • Lastrea obtusifolia Janch.
  • Lastrea robertiana (Hoffm.) Newn.
  • Nephrodium robertianum (Hoffm.) Prantl
  • Phegopteris calcarea (Sm.) Fée
  • Phegopteris dryopteris subsp. calcarea (Sm.) Bonnier & Layens
  • Phegopteris dryopteris subsp. robertiana (Hoffm.) Hensl.
  • Phegopteris dryopteris var. robertiana (Hoffm.) Davenp.
  • Phegopteris robertiana (Hoffm.) Fée
  • Phegopteris robertiana (Hoffm.) A.Braun
  • Polypodium calcareum Sm.
  • Polypodium dryopteris subsp. calcareum (Sm.) Berher
  • Polypodium dryopteris subsp. robertianum (Hoffm.) Corb.
  • Polypodium dryopteris subsp. robertianum (Hoffm.) Hartm.
  • Polypodium dryopteris var. calcareum (J.Sm.) A.Gray
  • Polypodium dryopteris var. calcareum (Sm.) Rupr.
  • Polypodium dryopteris var. calcareum Wahlenb.
  • Polypodium dryopteris var. calcareum (Sm.) Hampe
  • Polypodium dryopteris var. pumilum DC.
  • Polypodium dryopteris var. robertianum (Hoffm.) Ledeb.
  • Polypodium obtusifolium Schrank
  • Polypodium phegopteris var. calcareum (Sm.) Lej.
  • Polypodium phegopteris var. robertianum (Hoffm.) Lej.
  • Polypodium robertianum Hoffm.
  • Thelypteris robertiana (Hoffm.) Sloss.

Characteristics

Growth habit
Forb/herb
Lifespan
Perennial
In the US and Canada
Canada: native, Lower 48 states: native

Photos

More in Gymnocarpium

Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.