Plants › Codiaceae
Dead Man's Fingers
Codium fragile
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.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Velvet HornCodium tomentosum
Neogastroclonium subarticulatum
Codium galeatum
EelgrassZostera marina
GutweedUlva intestinalis
flattened ahnfelts seaweedAhnfeltiopsis linearis
Codium vermilara
Fox TailStoebe alopecuroides
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 8,660 |
|---|---|
| Alaska | 3,305 |
| Massachusetts | 1,951 |
| California | 1,784 |
| Canada | 1,428 |
| British Columbia | 881 |
| Nova Scotia | 427 |
| Rhode Island | 339 |
| New York | 313 |
| Washington | 300 |
Counts show where people looked, not only where it lives.
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | green algae · Chlorophyta |
| Class | Ulvophycean green algae · Ulvophyceae |
| Order | Bryopsidales |
| Family | Codiaceae |
| Genus | Codiums · Codium |
Study it in a deck
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.
- How much to rely on each source
Remember the name next time.
Practise Dead Man's Fingers with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.