According to previously published bibliography, around 240 species have been registered in the international hydrographic Minho River basin, belonging to 3 phyla from the Kingdom Plantae:

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• Bryophyta: non-vascular land plants, known as mosses.

• Marchantiophyta: non-vascular land plants, known as liverworts, with a mostly haploid life cycle.

• Tracheophyta: vascular land plants, which include 2 major groups:

  • Seedless plants (previously known as pteridophytes);

  • Plants with seeds (previously known as spermatophytes), including those with flowers ("angiosperms") and those without ones ("gymnosperms").