Species:

Lomentaria orcadensis(Harvey) Collins

Spissblada rosenrøyr in Norwegian Nynorsk
Spissbladet rosenrør in Norwegian Bokmål

Classification

The species Lomentaria orcadensis belongs to:

Photos

Photos of Lomentaria orcadensis (4):

  • Photo of Lomentaria orcadensis
  • Photo of Lomentaria orcadensis
  • Photo of Lomentaria orcadensis
  • Photo of Lomentaria orcadensis

1 of 4: Fertile tetrasporophyte (2 cm tall)

Photo of Lomentaria orcadensis
Flattened thallus with side branches that are strongly tapering towards basis Photo: © Vivian HusaTerms of use

Note: Lomentaria orcadensis is a rather rare species growing in the subtidal zone, often in sounds with strong tidal currents. The species is known from the southern coasts to Stadt, and has also been reported from the coast of Nordland. Only fertile tetrasporophytes are known from Norway.

2 of 4: Surface view with cortical cells

Photo of Lomentaria orcadensis
Photo: © Vivian HusaTerms of use

3 of 4: Side branches with tetrasporangia

Photo of Lomentaria orcadensis
Photo: © Vivian HusaTerms of use

4 of 4: Tetrasporangia in gravities at the surface

Photo of Lomentaria orcadensis
Photo: © Vivian HusaTerms of use

Closest relatives

Other species in the same genus (Lomentaria):

  • Lomentaria articulata(Hudson) Lyngbye
    • Ledda rosenrøyr in Norwegian Nynorsk
    • Leddet rosenrør in Norwegian Bokmål
  • Lomentaria clavellosa(Lightfoot ex Turner) Gaillon (7)
    • Vanleg rosenrøyr in Norwegian Nynorsk
    • Vanlig rosenrør in Norwegian Bokmål