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1 September 2000 The Sporophyte-Gametophyte Junction in Five Species of Pleurocarpous Mosses
Carmen Alfayate, Belén Estébanez, Eugenia Ron
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Abstract

We have studied the sporophyte-gametophyte junction at the post-meiotic stage in five pleurocarpous mosses: Isothecium myosuroides Brid., Leucodon canariensis (Brid.) Schwaegr., Leptodon longisetus Mont., Neckera cephalonica Jur. & Unger, and Neckera intermedia Brid. In all five species the foot does not penetrates the leafy caulidium. The junction in all of them corresponds to a “bryalean pattern”, with transfer cells both in the gametophyte and sporophyte. However, except in Neckera intermedia, there were several layers of foot transfer cells, deviating from the typical 1:1 arrangement in this model. At this stage, the tissues of both foot and vaginula were degenerating. Vaginular cells surrounding the foot became empty and thin-walled. Opportunistic microorganisms were often found. The five species differ with respect to the number of layers of transfer cells and the degree of development of foot hydroids.

Carmen Alfayate, Belén Estébanez, and Eugenia Ron "The Sporophyte-Gametophyte Junction in Five Species of Pleurocarpous Mosses," The Bryologist 103(3), 467-474, (1 September 2000). https://doi.org/10.1639/0007-2745(2000)103[0467:TSGJIF]2.0.CO;2
Received: 1 October 1997; Accepted: 1 January 2000; Published: 1 September 2000
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