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Cystopteris ×illinoensis
Scientific Name: Cystopteris ×illinoensis
Family: Dryopteridaceae
Category: Fern
Growth: Forb/herb
Duration: Perennial
Other Names:
Cystopteris x illinoensis
Cystopteris x illinoensis is a hybrid fern, commonly known as the Illinois Bladder Fern or Hybrid Bladder Fern. It is the result of hybridization between Cystopteris bulbifera and Cystopteris tenuis.
Taxonomy and Nomenclature
- Scientific Name: Cystopteris x illinoensis R.C. Moran
- Family: Dryopteridaceae or Cystopteridaceae (assignments vary)
- Kingdom: Plantae
- Taxonomic Status: Accepted
- Synonyms/Related Names:
- Cystopteris illinoensis R.C. Moran (sometimes treated as a synonym, although this name is also applied to a parent species)
Distribution and Habitat
- Originally discovered in northern Illinois.
- Associated with moist, calcareous cliffs, similar to the habitat of its parent species, Cystopteris bulbifera.
Morphological Characteristics and Growth Habits
- A hybrid, it exhibits characteristics intermediate between its parent species Cystopteris bulbifera and Cystopteris tenuis.
- Morphologically distinct from its parent species.
Interactions with Other Organisms
- Cystopteris x illinoensis is a hybrid stemming from Cystopteris bulbifera which may hybridize with Cystopteris tenuis.
Resources and Further Information
- Integrated Taxonomic Information System (ITIS): ITIS Website (TSN 501959)
- The Plant List: The Plant List Website
- IPNI (International Plant Names Index): IPNI Website
- Australian Plant Name Index: Search in Australian Plant Name Index
- NYBG (New York Botanical Garden) Virtual Herbarium: Search in NYBG Virtual Herbarium
- USDA-NRCS PLANTS Database