. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 2 mm 1. Habit of plant. Valonia macrophysa Kutzing 1843:307. Thallus of large macroscopic, crowded cells; of indeterminate diameter, to 5 cm thick; shiny, dark olive-green; rhizoids extending from basal cells. Cells tightly packed, 5-15 mm diam., 1-4 cm long, spherical, oblong to club- shaped; cell wall thin, tough, elastic; branching irregular, from base or any exposed area. Fracture zone specimens: Seagrass bed of central fracture, 3 m deep on mangrove peat, , D&M Littler 25027 (US). Seagrass b
. Atoll research bulletin. Coral reefs and islands; Marine biology; Marine sciences. 2 mm 1. Habit of plant. Valonia macrophysa Kutzing 1843:307. Thallus of large macroscopic, crowded cells; of indeterminate diameter, to 5 cm thick; shiny, dark olive-green; rhizoids extending from basal cells. Cells tightly packed, 5-15 mm diam., 1-4 cm long, spherical, oblong to club- shaped; cell wall thin, tough, elastic; branching irregular, from base or any exposed area. Fracture zone specimens: Seagrass bed of central fracture, 3 m deep on mangrove peat, , D&M Littler 25027 (US). Seagrass bed of west fracture, 3 m deep on mangrove peat, , D&M Littler 25138 (US). Wall of central fracture, 4 m deep on mangrove peat, , D&M Littler 25048 (US). Wall of west fracture, 4 m deep on mangrove peat, , D&M Littler 1. Habit of plant - base with rhizoidal cells and vegetative propagules. Ventricaria ventricosa (J. Agardh) Olsen & West 1988:104, figs. 1-4. Valonia ventricosa J. Agardh 1887:96. Thallus single solitary macroscopic cell or several loosely connected; cells large, unbranched, balloon-like; to 5(-10) cm diam.; shiny, dark green, iridescent, with reflective glare; cells spherical to oblong, hard, firm; rhizoidal cells minute, branched. Cell wall thin, tough, elastic; reproduction by release of small, juvenile, cytoplasmic spheres from parent cell or expansion of rhizoidal cell. Fracture zone specimens: Seagrass bed of west fracture, 3 m deep on mangrove peat, , D&M Littler 25134 (US). Wall of west fracture, 4 m deep on mangrove peat, , D&M Littler 25164 (US). Wall of east fracture, 4 m deep on mangrove peat, , D&M Littler 25079 (US). Bottom of west fracture, 7 m deep on mangrove peat, , D&M Littler 25195 (US).. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance
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