Chromista › Sargassum and Allies
Devil weed
Sargassum horneri
24 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
Japanese WireweedSargassum muticum
Bladder Chain KelpStephanocystis osmundacea
Feather Boa KelpEgregia menziesii
Stephanocystis dioica
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 6,585 |
|---|---|
| California | 6,585 |
| Mexico | 10 |
| Baja California | 10 |
| Taiwan | 6 |
| China | 3 |
| New Taipei | 3 |
| Japan | 2 |
| Taiwan Province | 2 |
| South Korea | 2 |
Counts show where people looked, not only where it lives.
Classification
| Kingdom | kelp, diatoms, and allies · Chromista |
|---|---|
| Phylum | Ochrophyta |
| Class | brown algae · Phaeophyceae |
| Order | Fucoids · Fucales |
| Family | Sargassum and Allies · Sargassaceae |
| Genus | Sargassum · Sargassum |
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 Devil weed with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.