Plants › sword fern family

Broad Sword Fern

Nephrolepis biserrata

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Wildlife study photograph from iNaturalist. — (c) paul_norwood, some rights reserved (CC BY-NC)

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25 photos

Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.

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Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in Taiwan.

Taiwan	1,128
China	1,017
Taiwan Province	1,007
New Taipei	299
Taipei	241
United States	174
Yilan County	130
Hualien County	130
Taitung County	97
Pingtung County	95

Counts show where people looked, not only where it lives.

Traits

Group and habits

Human edibleListed as edible by a harvested source. This is a research trait, not foraging advice.Kew World Checklist of Useful Plant Species
Toxic to humansListed as toxic or not suitable as food for humans by a harvested source.Kew World Checklist of Useful Plant Species
Medicinal useListed as having medicinal use by a harvested source. This is not medical advice.Kew World Checklist of Useful Plant Species
Material useListed as being used for materials such as wood, fiber, resin, gum, or oil.Kew World Checklist of Useful Plant Species
Crop wild relativeListed as a crop wild relative or crop gene source by a harvested source.Kew World Checklist of Useful Plant Species
Restoration or landscaping useListed as being used for restoration, landscaping, ornamental planting, erosion control, soil improvement, shade, windbreaks, pollution indicators, or wastewater purification.Kew World Checklist of Useful Plant Species
Cultural useListed as having cultural uses such as ritual, religious, psychoactive, contraceptive, abortifacient, smoking, or masticatory uses.Kew World Checklist of Useful Plant Species
Forb or herb growth formListed by a harvested source as having a forb or herbaceous growth form.USDA PLANTS Characteristics
Fern growth formListed by a harvested source as belonging to the fern plant group.USDA PLANTS Characteristics
Perennial plantListed by a harvested source as having a perennial life duration.USDA PLANTS Characteristics

Edibility, toxicity and medicinal traits are records from datasets, not advice. Never eat, handle or use a wild species on the strength of an app.

Classification

Kingdom	Plants · Plantae
Phylum	Vascular Plants · Tracheophyta
Class	Ferns · Polypodiopsida
Order	Polypodiales
Family	sword fern family · Nephrolepidaceae
Genus	sword ferns · Nephrolepis

Sources

Names, taxonomy and observation counts: www.inaturalist.org
Photos and recordings: the creator and source are on each one.
Traits: Kew World Checklist of Useful Plant Species (CC BY 4.0)
Traits: USDA PLANTS Characteristics (U.S. Government work / public domain)
How much to rely on each source

Remember the name next time.

Practise Broad Sword Fern with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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