Introduction to the Marine Algae: Overview 3
Fig. 1. Examples of algae with different shapes: (A) unicellular as in Haematococcus, (B) filamentous, (C) cyanophyceae
film, (D) colonies as in Haematococcus pluvialis, (E) thin foliose sheets as in Porphya, (F) foliose tubes as in Ulva intestinalis,
(G) bulbs as in Colpomenia sinuosa, (H) leader sheets as in Laminaria, (I) Gelatinous, (J) cartilageneous as in Cystoseira
abiesmarina, (K) calcareous bushy as in Ellisolandia elongata, (L) calcareous foliose as in Padina pavonica, and (M)
crustose habits as in Peyssonnelia squamaria. Photos from Island Aquatic Research, Azorean Biodiversity Group/Center for
Ecology, Evolution and Environmental Changes (IAE/GBA/cE3c).
Fig. 2. Morphology of algae (A) motile coenobium as in Volvox, (B) filamentous simple, as in Spirogyra, (C) filamentous
with false branches as in the Cyanobacteria Tolypothrix, (D) filamentous with true branches as in Cladophora, (E) uniseriate
filaments as in the red Lejolisia, (F) multiple layers (multiseriate) as in Polysiphonia. Photos from Island Aquatic Research,
Azorean Biodiversity Group/Center for Ecology, Evolution, and Environmental Changes (IAE/GBA/cE3c).