Summary ²

Alaria marginata, the winged kelp, is a brown alga species in the genus Alaria. It can grow up to 13 feet. Fronds are long and narrow with raised midrib and wavy edges. Each frond has two rows of several smooth, oblong, 5 inch spore-bearing blades at the base in winter. The base is attached to rocks.

Sources and Credits

1. (c) faerthen, some rights reserved (CC BY-NC), uploaded by faerthen
2. (c) Wikipedia, some rights reserved (CC BY-SA), https://hub.toolforge.org/P3151:124814?lang=

More Info

• iNat taxon page
• Biodiversity Heritage Library
• BOLD Systems BIN search
• CalPhotos
• Global Biodiversity Information Facility (GBIF)
• NatureServe Explorer 2.0

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