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Developmental Staging And Morphological Comparisons Of Four Fern Gametophyte Species From The Santa Monica Mountains, Tristan Furlong
Developmental Staging And Morphological Comparisons Of Four Fern Gametophyte Species From The Santa Monica Mountains, Tristan Furlong
Seaver College Research And Scholarly Achievement Symposium
The fern life cycle alternates between two distinct phases: a diploid sporophyte phase consisting of the “adult” fern, and a haploid gametophyte phase. Early events and changes in gametophyte development can have considerable consequences in the morphologies of these different fern species and may facilitate the various adaptive strategies employed by the gametophytes in their different habitats. This study investigates early developmental events in the gametophytes of four different fern species found in the Santa Monica Mountains, Adiantum jordanii (chaparral understory, summer deciduous sporophyte), Woodwardia fimbriata (riparian stream), Dryopteris arguta (chaparral understory, evergreen), and Pentagramma triangularis (chaparral understory, resurrection sporophyte). …