| Notes: |
Sara Isidoro
Local: Portinho da Areia do Norte (Peniche), Portugal |
| Description: |
Sargassum vulgare is olive-brown / dark-brown, perennial seaweed. The alga has a thalli reaching 15-70 cm high; foliaceous branches spear-shaped, flattened having a length of 1,5-4 cm and possess a central rib and undulated edge. It is attached to the substrate via a discoid holdfast, irregular rhizoidal branches. The base of the fronds has hollow, spherical vesicles, of 3-5mm, and clusters of reproductive bodies; these are held in place by a pedicle. S.vulgare is most commonly found in tide pools and rocky substrata on the horizon upper level subtidal. |
Species:
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Sargassum vulgare C.Agardh |
