Chromista › Alariaceae
stalked kelp
Pterygophora californica
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
Bull KelpNereocystis luetkeana
Feather Boa KelpEgregia menziesii
Southern stiff-stiped kelpLaminaria setchellii
Giant KelpMacrocystis pyrifera
winged kelpAlaria marginata
Southern sea palmEisenia arborea
dense-clumped kelpLaminaria sinclairii
Sea PalmPostelsia palmiformis
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 110,296 |
|---|---|
| California | 109,905 |
| Canada | 447 |
| British Columbia | 447 |
| Washington | 293 |
| Oregon | 95 |
| Nevada | 3 |
Counts show where people looked, not only where it lives.
Classification
| Kingdom | kelp, diatoms, and allies · Chromista |
|---|---|
| Phylum | Ochrophyta |
| Class | brown algae · Phaeophyceae |
| Order | Kelps · Laminariales |
| Family | Alariaceae |
| Genus | Pterygophora |
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 stalked kelp with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.