Temporal range: Silurian to Recent
Cronquist, Takht. & W.Zimm.
The Lycopods (Lycopodiophyta or Lycophyta) are the oldest surviving vascular plant division. It is a vascular plant subdivision of the plant kingdom. Its earliest fossils are from 428–410 million years ago.p99
The Lycopods include some of the most primitive (basal) living species. They reproduce by shedding spores and have macroscopic alternation of generations. Members of Lycopodiophyta have a protostele, and the sporophyte generation is dominant.
There are around 1,200 living species of Lycopodiophyta; they are generally divided into three orders. There are also some extinct groups. There are different opinions as to how the whole group should be classified.p8 Living groups are:
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Lycopod Facts for Kids. Kiddle Encyclopedia.