Plants › shieldfern family

log fern

Dryopteris celsa

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

All photos27

27 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.

See all photos Add a photo

Photos you add are credited to you, and you keep the copyright.

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 Virginia.

United States	784
Virginia	193
North Carolina	138
Maryland	77
Tennessee	69
Arkansas	49
South Carolina	33
Georgia	30
Louisiana	24
New York	23

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

Traits

Group and habits

Forb or herb growth formListed by a harvested source as having a forb or herbaceous growth form.USDA PLANTS Characteristics
Wetland-associatedListed by a harvested source as obligate or frequent in wetland habitat.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

Classification

Kingdom	Plants · Plantae
Phylum	Vascular Plants · Tracheophyta
Class	Ferns · Polypodiopsida
Order	Polypodiales
Family	shieldfern family · Dryopteridaceae
Genus	wood ferns · Dryopteris

Study it in a deck

Wetland-associated Species of New Hampshire, United States

Or build your own from the species near you.

Sources

Names, taxonomy and observation counts: www.inaturalist.org
Photos and recordings: the creator and source are on each one.
Traits: USDA PLANTS Characteristics (U.S. Government work / public domain)
How much to rely on each source

Remember the name next time.

Practise log 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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