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Lithothamnion calcareum is a species of coralline red algae that accumulates calcium and magnesium carbonates in its cell walls, giving it a hard, stony structure. It grows slowly on the seabed of the northeast Atlantic Ocean, where live and dead thalli build up over time to form complex free-living...
Phymatolithon calcareum is a species of crustose coralline red algae found in the northeast Atlantic Ocean. This marine plant plays a crucial ecological role by forming free-living structures known as maerl beds. These slow-growing, calcified habitats provide a vital substrate and refuge for a wide...
Crustose coralline red alga of the northeast Atlantic and Mediterranean, co-forming maerl beds with Phymatolithon calcareum and historically harvested as a calcareous soil amendment.
