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Description: |
Thallus light to medium green, forming dense small tufts 1–2 cm high in areas subject to moderate wave-wash, or loose tufts to 10 cm high in calm-water areas, much branched from a clumped base attached by rhizoids from cells in the basal region, epilithic or epiphytic; filaments tapering distinctly from main axes towards apical cells, branched from almost every cell above, with usually distinctly falcate and unilateral branchlets. Growth acropetal and mainly apical above, with intercalary divisions in the mid and lower thallus cells thus separating the laterals by 2–5 or more cells but with few intercalated laterals below intercalary cross walls; each parent cell bearing 1–3 (–5) laterals mostly at an angle of 45° or more; basal cross walls of young laterals oblique (sometimes steeply inclined) to parent cell above, becoming almost horizontal later. Apical cells 15–28 µm in diameter, L/B 3–9, cylindrical or slightly tapering, occasionally broader near their apex, apically rounded; ultimate branch cells 15–32 µm in diameter, L/B 4–9; lower thallus cells 65–140 µm in diameter, L/B 4–10; ratio of lower cell to apical cell diameters 3–6; cell walls thin (0.5–2 µm) above, relatively thick.  Download PDF from Algaebase
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| Name History |
Adjective (Latin), pertaining to Dalmatia. |
| Biogeography |
Widely distributed along tropical to warm temperate Atlantic coasts of America, Europe and W. Africa (including Mediterranean). |
| Life Cycle |
Reproduction by apical and subapical cells forming zooidangia; in Europe by biflagellate gametes and quadriflagellate zoospores. |
| References |
Brodie, J., Maggs, C.A. & John, D.M. (2007). Green seaweeds of Britain and Ireland. pp. [i-v], vi-xii, 1-242, 101 figs. London: British Phycological Society. Burrows, E.M. (1991). Seaweeds of the British Isles. Volume 2. Chlorophyta. pp. [i]-xi, [1]-238, 60 figs, 9 pls. London: Natural History Museum Publications. Dawes, C.J. & Mathieson, A.C. (2008). The seaweeds of Florida. pp. [i]- viii, [1]-591, [592], pls I-LI. Gainesville, Florida: University Press of Florida. Hoek, C. van den & Chihara, M. (2000). A taxonomic revision of the species of Cladophora (Chlorophyta) along the coasts of Japan and the Russian Far-east. Natural Science Museum [Tokyo] Monographs 19: 1-242, 100 figs. Hoek, C. van den (1963). Revision of the European species of Cladophora. Proefschrift...Rijksuniversiteit te Leiden. pp. [i]-xi, [1]-248, 1 fig, 55 plates, 18 maps. Leiden: E. J. Brill. Kim, H.-S., Kwon, C.-J. & Hwang, I.-K. (2010). Caldophorales. In: Algal flora of Korea. Volume 1, Number 1. Chlorophyta: Ulvophyceae: Ulotrichales, Ulvales, Cladophorales, Bryopsidales. Marine green algae. (Bae, E.H., Kim, H.-S., Kwon, C.-J., Hwang, I.-K., Kiim, G.H. & Klochkova, T.A. Eds), pp. 55-154. Incheon: National Institute of Biological Resources. Loiseaux-de Goër, S. & Noailles, M.-C. (2008). Algues de Roscoff. pp. [1]-215, col. figs. Roscoff: Editions de la Station Biologique de Roscoff. Sfriso, A. (2011). Chlorophyta multicellulari e fanerogame acquatiche. Ambiente di transizione italiani e litorali adiacenti. pp. [1]-318, pls 1-94. Bologna: Arpa Emilia-Romagna. |
