FIGURE 6 in Morphological and phylogenetic characterization of seven species of Vaucheria (Xanthophyceae), including two new species, from contrasting habitats in New Zealand

FIGURE 6. Light micrographs and illustrations of Vaucheria aestuarii reproductive structures (G7). A, C, D, F, G. Clavate oogonia with mass of protoplasm left behind by mature oospore (arrows), note there is no wall bound cavity subtending the oogonia. E. Long cylindrical antheridia with short cylindrical- conical papillae (arrows) in a monopodial cluster, subtended by a wall bound cavity. H. Antheridium with a wall bound cavity (arrow). I. Antheridia in a monopodial cluster, note 2 wall bound cavities (arrows) in a single antheridium separated by a mass of sperm. Bars = 50 µm.