Plants › birch family

green alder

Alnus alnobetula

Wildlife study photograph from iNaturalist. — (c) liamragan, some rights reserved (CC BY-NC)

All photos28

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.

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Photos you add are credited to you, and you keep the copyright.

Easily confused with

Study checks a spoken answer against these, and tells you which one you named.

Where it is recorded

Records by month in British Columbia.

Canada	8,146
United States	7,346
British Columbia	2,884
Alaska	2,269
Ontario	1,280
Nova Scotia	1,107
Washington	934
Newfoundland and Labrador	850
Maine	800
Alberta	700

Counts show where people looked, not only where it lives.

Traits

Group and habits

Medicinal useListed as having medicinal use by a harvested source. This is not medical advice.Kew World Checklist of Useful Plant Species
Material useListed as being used for materials such as wood, fiber, resin, gum, or oil.Kew World Checklist of Useful Plant Species
Nitrogen fixingDescends from a plant lineage commonly associated with nitrogen-fixing symbioses.Inferred from its group

Edibility, toxicity and medicinal traits are records from datasets, not advice. Never eat, handle or use a wild species on the strength of an app.

Classification

Kingdom	Plants · Plantae
Phylum	Vascular Plants · Tracheophyta
Class	Dicots · Magnoliopsida
Order	beeches, oaks, walnuts, and allies · Fagales
Family	birch family · Betulaceae
Genus	alders · Alnus

Sources

Names, taxonomy and observation counts: www.inaturalist.org
Photos and recordings: the creator and source are on each one.
Traits: Kew World Checklist of Useful Plant Species (CC BY 4.0)
How much to rely on each source

Remember the name next time.

Practise green alder with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.

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