FIGURES 1–9 in Hassallia littoralis sp. nov. (Cyanobacteria, Microchaetaceae) from Mexico's marine supralittoral based on morphological and molecular evidence

FIGURES 1–9. Morphological features of Hassallia littoralis. Fig. 1. Intermingled filaments as seen with epifluorescence. Fig. 2. Erect fascicle growth form with lighter terminal parts. Fig. 3. Straight or curved filament growth forms. Fig. 4. False branching with basal heterocytes. Fig. 5. Trichomes with evident intercalar heterocytes and polar nodules. Fig. 6. Release of short isopolar trichome with evident nodal constrictions. Fig. 7. Series of heteropolar and isopolar hormogones. Fig. 8. Divaricated pseudobranch with basal heterocyte and stratified sheath. Fig. 9. False branching with single and paired heterocytes. Scale bars: Figs 1–3: 30 µm, Figs 4–9: 6µm.