Natural history specimen data linked to collectors and determiners held within, "Marine Macroalgae collection dataset from Herbarium João de Carvalho e Vasconcellos (LISI)". Claims or attributions were made on Bionomia by volunteer Scribes, https://bionomia.net/dataset/57263ed3-c708-4523-92a4-d47e10381b53 using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, https://gbif.org/dataset/57263ed3-c708-4523-92a4-d47e10381b53. Formatted as a Frictionless Data package.