Figure 3 in Range expansion of some non-indigenous seaweeds along the coasts of Brittany - English Channel

Figure 3: Antithamnion hubbsii from Brittany: (a) dried specimen from Brest marina (herbarium of the European Institute for Marine Studies); (b) general habit; (c) characteristic segment showing a cell of the main axis, the opposite distichous branching and the opposite branchlets bearing glandular cells; (d) portion of axis with tetrasporangia; (e) branches and branchlets bearing glandular cells (arrowheads). Scale bars: (a) 5 mm; (b) 2 mm; (c–e) 50 µm.