Info
Costaria costata (C.Agardh) De A.Saunders, 1895
The five-ribbed kelp is an large brown kelp with a single light to chocolate brown blade. Can grow up to 2m in lenght and is 35cm wide. The branched holdfast is 10cm long.
Similar to the three-ribbed kelp Cymathere triplicata.
Sea urchins are grazers on this kelp.
Synonymised names:
Agarum costatum (C.Agardh) Dumortier, 1822 · unaccepted (synonym)
Agarum costatum (Turner) Gaillon, 1828 · unaccepted (synonym)
Agarum quinquecostatum Bory, 1826 · unaccepted
Costaria mertensii J.Agardh, 1848 · unaccepted
Costaria quadrinervia Ruprecht, 1852 · unaccepted
Costaria turneri Greville, 1830 · unaccepted
Fucus costatus Turner, 1819 · unaccepted
Laminaria costata C.Agardh, 1817 · unaccepted
Direct children (1):
Forma Costaria costata f. cuneata Miyabe & Nagai, 1940
The five-ribbed kelp is an large brown kelp with a single light to chocolate brown blade. Can grow up to 2m in lenght and is 35cm wide. The branched holdfast is 10cm long.
Similar to the three-ribbed kelp Cymathere triplicata.
Sea urchins are grazers on this kelp.
Synonymised names:
Agarum costatum (C.Agardh) Dumortier, 1822 · unaccepted (synonym)
Agarum costatum (Turner) Gaillon, 1828 · unaccepted (synonym)
Agarum quinquecostatum Bory, 1826 · unaccepted
Costaria mertensii J.Agardh, 1848 · unaccepted
Costaria quadrinervia Ruprecht, 1852 · unaccepted
Costaria turneri Greville, 1830 · unaccepted
Fucus costatus Turner, 1819 · unaccepted
Laminaria costata C.Agardh, 1817 · unaccepted
Direct children (1):
Forma Costaria costata f. cuneata Miyabe & Nagai, 1940






Douglas Mason, USA