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Asplenium ×alternifolium
Scientific Name: Asplenium ×alternifolium
Family: Aspleniaceae
Category: Fern
Growth: Forb/herb
Duration: Perennial
Other Names:
Asplenium alternifolium
Asplenium alternifolium, also known as Alternate-leaved Spleenwort, is a hybrid fern belonging to the genus Asplenium.
Taxonomy and Nomenclature
- Scientific Name: Asplenium alternifolium Wulfen (pro sp.)
- Family: Aspleniaceae (slezinkovit)
- Class: Pteridopsida
- Synonyms:
- Asplenium germanicum (Deutscher Streifenfarn)
- Asplenium alternifolium Mett.
- Asplenium alternifolium var. oblongifolium Hooker (not accepted)
- Subspecies: Asplenium alternifolium subsp. heufleri (Reichardt) Aizpuru, Cataln & Salvo
Distribution and Habitat
The origin of Asplenium alternifolium in the United States is unknown/undetermined. It is regularly occurring.
Morphological Characteristics
- A hybrid of Asplenium trichomanes and Asplenium septentrionale.
- Leaves are once or twice pinnate, lanceolate in shape, with serrated or toothed edges.
- Similar to Asplenium septentrionale, but the petiole is at most twice as long as the blade, and shiny.
Hybrid Information
This plant is a hybrid, specifically between Asplenium septentrionale and Asplenium trichomanes (Asplenium x germanicum).
Resources and Further Information
- Tropicos
- International Plant Names Index (IPCN)
- ResearchGate (for articles on hybrid formation)
- MEDUSA (Utilisation, evaluation and conservation data for native and naturalised plants in the Mediterranean Region)