Polyphlebium venosum
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Polyphlebium venosum, the veined bristle-fern or bristle filmy fern, is a fern in the family Hymenophyllaceae. It is only found in wet forests, mainly growing as an epiphyte on the shady side of the s
Growing on the underside of a man fern. Trumpet shaped indusium can be seen near the base of the pinna.
Alternation of generations
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Alternation of generations is the predominant type of life cycle in plants and algae. In plants, both phases are multicellular: the haploid sexual phase – the gametophyte – alternates with a diploid a
Gametophyte of the fern Onoclea sensibilis (flat thallus, bottom) with a descendant sporophyte beginning to grow from it (small frond, top)
Gametophyte of Mnium hornum, a moss
Sporophyte of Lomaria discolor, a fern
Gametophyte of Pellia epiphylla with sporophytes growing from the remains of archegonia