The Archaeaplastida are a major group of eukaryotes, comprising the land plants (=embryophytes), the green algae (chlorophtes + charophytes), red algae, and ancestral glaucophytes. The chloroplasts of these organisms are surrounded by two membranes; evidence for an origin from endosymbiotic cyanobacteria.
├Lycophytes *
├Monilophytes *
Sensu lato means "in a broad sense", a loose grouping
Sensu stricto means "in a strict sense", a limiting definition
Does not include extinct groups; Click here to see whole list*
Above: Representatives of the Archaeplastida: red algae, green algae, and land plants
Seaweed integration boosts efficiency and cuts waste in aquaculture (Rosenstiel School of Marine, Atmospheric, and Earth Science 5May2026)
└Evaluation of native macroalgae species of the Southeast U.S. and Caribbean for use in integrated multi-trophic aquaculture (IMTA) (Lasco et al, 2026)