Chromista › rockweeds
bladder wrack
Fucus vesiculosus
28 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
RockweedFucus distichus
Spiral WrackFucus spiralis
Knotted WrackAscophyllum nodosum
Saw WrackFucus serratus
Channelled WrackPelvetia canaliculata
Horned wrackFucus ceranoides
Fucus limitaneus
Broad-leaved gulfweedSargassum fluitans
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 111,569 |
|---|---|
| Alaska | 104,793 |
| Canada | 3,534 |
| New Hampshire | 1,247 |
| United Kingdom | 1,196 |
| Massachusetts | 1,052 |
| Maine | 988 |
| Nova Scotia | 785 |
| Quebec | 745 |
| England | 608 |
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 | rockweeds · Fucaceae |
| Genus | vesicled rockweeds · Fucus |
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 bladder wrack with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.