[{"n": "Where Maerl has been recorded", "u": "/e/distribution/maerl-distribution/", "s": "GBIF occurrence records for Phymatolithon calcareum, mapped and tabulated by country."}, {"n": "Maerl (Phymatolithon calcareum)", "u": "/e/plants-and-macroalgae/maerl/", "s": "Source-cited species reference: taxonomy from WoRMS, biology from SeaLifeBase, occurrence map from GBIF, descr"}]