Gymnocarpium robertianum (Hoffmann) Newman

Gymnocarpium robertianum (Hoffmann) Newman is an accepted species name sensu FNA Ed. Comm., 1993.

Hybrid parent of

Gymnocarpium ×achriosporum Sarvela.

Vernacular names

• gymnocarpe de Robert Fleurbec, 1993
• lastrée du calcaire Lambinon et al., 1992
• polypode de Robert TelaBotanica
• polypode du calcaire TelaBotanica

• limestone oak fern FNA Ed. Comm., 1993
• northern oak fern Canadian Forest Service, 2007
• Robert's oak fern Canadian Forest Service, 2007
• scented oak fern Newmaster & Ragupathy, 2005

Synonyms

• Dryopteris robertiana (Hoffmann) C. Christensen FNA Ed. Comm., 1993
• Gymnocarpium dryopteris var. pumilum (de Candolle) B. Boivin FNA Ed. Comm., 1993
• Phegopteris calcarea Fée TROPICOS
• Phegopteris robertiana (Hoffmann) A.Braun ex Ascherson Hassler, 2014-2024+
• Polypodium robertianum Hoffmann FNA Ed. Comm., 1993
• Thelypteris robertiana (Hoffmann) Slosson FNA Ed. Comm., 1993

Distribution

• Map view
• List view

• Native
• Introduced
• Ephemeral
• Excluded
• Extirpated
• Doubtful
• Absent

Classification

Class	Equisetopsida
Subclass	Polypodiidae
Order	Polypodiales
Family	Cystopteridaceae
Genus	Gymnocarpium
Species	Gymnocarpium robertianum

Habit

Herb