Dictyota humifusa

Dictyota humifusa

It is a species of seaweed in the Dictyotaceae family.
Alga - Dictyota humifusa It is the little y-shaped green blue algae in the image.
tentative ID: could also be D. pfaffi! Alga - Dictyota humifusa,Dictyota humifusa,Geotagged,Spain,Spring

Appearance

Thallus: prostrate, delicate, creeping, densely interwoven, to 0.5-2.0 cm high, light brown, often with bril­liant blue iridescence; branching irregular to somewhat dichotomous. Blades stubby, strap-shaped, (1-)3-5 mm wide, 75-125 µm thick, 30-60 medullary cells wide; apices broad, rounded. Medulla one cell thick: cells square to rectangular, 40-80 µm thick, arranged in somewhat regular rows. Surface cells rectangular, 10-30 µm thick, in parallel rows. Surface hairs tufted, scattered, seldom present. Rhizoids from lower surface, seldom marginal. Sporangia scattered, with four or eight spores.

Distribution

Predominantly found in tropical and sub-tropical seas.

Habitat

Common: tightly adhering to any firm substrate, creeping over surfaces, in shallow protected habitats; to 40 m deep.

References:

Some text fragments are auto parsed from Wikipedia.

http://www.marinespecies.org/aphia.php?p=taxdetails&id=145370
https://www.algaebase.org/search/species/detail/?species_id=12247
https://biogeodb.stri.si.edu/pacificalgae/specie/45
Taxonomy
KingdomChromista
DivisionOchrophyta
ClassPhaeophyceae
OrderDictyotales
FamilyDictyotaceae
GenusDictyota
SpeciesDictyota humifusa
Photographed in
Spain