Although charophyte algae do not have secondary walls, lignin or lignin-like molecules have been identified in this group and may contribute to resistance against microbial attack (Gunnison and Alexander 1975; Delwiche et al.

Is there lignin in charophytes?

Charophytes share more traits with land plants than do other algae, according to structural features and DNA analysis. ... Charophytes form sporopollenin and precursors of lignin, phragmoplasts, and have flagellated sperm. They do not exhibit alternation of generations.

Do charophytes have cellulose?

Like plants, charophytes have chlorophyll a and b, store carbohydrates as starch, have cell walls consisting of cellulose, and undergo similar cell-division processes. Charophytes have unique reproductive organs that differ considerably from that of other algae.