A land plant that has flagellated sperm and a sporophyte-dominated life cycle is a fern. Instead of stems, ferns have rhizomes, which are often small.
Ferns are an age-old group of plants that have resided on Earth for more than 300 million years. They are often found in wet climates, with about 70% of species living in tropical regions, and the bulk of the rest in temperate zones.
The part of ferns that we look at most is called the frond, which has two major parts: the stipe and the blade. The blade may be solid or may be divided into various numbers and arrangements of leaflets.
Fern's flagellated sperm need a thin film of water to swim between the antheridium and the archegonium. The dominant part of the life cycle in ferns is represented by the sporophyte generation.
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