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False Anisospory in Macromitrium incurvum, Rhizomnium magnifolium and Fissidens cristatus (Bryophyta)

Gert Steen Mogensen
Lindbergia
Vol. 4, No. 3/4 (1978), pp. 191-195
Published by: Oikos Editorial Office
Stable URL: http://www.jstor.org/stable/20149288
Page Count: 5
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
False Anisospory in Macromitrium incurvum, Rhizomnium magnifolium and Fissidens cristatus (Bryophyta)
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Abstract

Histograms of spore size frequency show that Macromitrium incurvum (Lindb.) Mitt., Rhizomnium magnifolium (Horik.) Kop. and Fissidens cristatus Wils. ex. Mitt. are false anisosporous, app. 50% of the spore mass being aborted in each species. Rhizomnium punctatum ssp. punctatum, closely related to R. magnifolium, is isosporous. This is the first report of false anisospory outside the genus Cinclidium. /// Гистограммы частотности величины спор показывают, что Macromitrium incurvum (Lindb.) Mitt., Rhizomnium magnifolium (Horik.) Kop. и Fissidens cristatus Wils. ex Mitt. являются ложными неравноспоровыми, примерно 50 процентов количества спор в каждом виде является недоразвившимся. Rhizomnium punctatum ssp. punctatum, близко связанное с R. magnifolium, является изоспоровым. Тут впервые сообщается о ложной неравноспоровости вне рода Cinclidium.

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