Plants › marsh fern family
Swamp Shield-fern
Cyclosorus interruptus
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.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Widespread Maiden FernPelazoneuron kunthii
cinnamon fernOsmundastrum cinnamomeum
Virginia chainfernWoodwardia virginica
marsh fernThelypteris palustris
Soft FernChristella dentata
Christella acuminata
toothed midsorus fernTelmatoblechnum serrulatum
male fernDryopteris filix-mas
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 1,063 |
|---|---|
| China | 201 |
| Taiwan | 174 |
| Taiwan Province | 172 |
| South Africa | 142 |
| Australia | 131 |
| Queensland | 99 |
| KwaZulu-Natal | 97 |
| Hawaii | 63 |
| Thailand | 59 |
Counts show where people looked, not only where it lives.
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | Vascular Plants · Tracheophyta |
| Class | Ferns · Polypodiopsida |
| Order | Polypodiales |
| Family | marsh fern family · Thelypteridaceae |
| Genus | Cyclosorus |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Swamp Shield-fern with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.