Antithamnion amphigeneum a apical portion of an indefinite axes: the arrowhead shows a terminal hyaline hair b detail of lateral indeterminate branches, which arise by replacing a branchlet and with the suppression of the opposite branchlet (arrow).

  Part of: Costanzo LG, Marletta G, Alongi G (2021) Non-indigenous macroalgal species in coralligenous habitats of the Marine Protected Area Isole Ciclopi (Sicily, Italy). Italian Botanist 11: 31-44.