Global ETD Search
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Showing 1 to 10 of 10 for “"bryophyta"”.
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Dimorfismo sexual e investimento reprodutivo em Fissidens Hedw, (Fissidentaceae, Bryophyta)
… tropical do gênero Fissidens (Fissidentaceae, Bryophyta). Os objetivos do trabalho foram: (1) investigar se o dimorfismo sexual no musgo rizautoico (ramos masculinos presos aos femininos pelos rizoides) Fissidens flaccidus Mitt. se relaciona ao investimento reprodutivo, e (2) se a …
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Evolution of stomata in mosses (Bryophyta): From molecules to form and function
As one of the first land plant groups to diversify, mosses are central in understanding the origin, diversification, and early function of stomata. Unlike tracheophytes that have stomata on anatomically complex leaves and stems, mosses bear stomata exclusively on spore-bearing organs (capsules). …
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Phylogenetic relationships of the Genus Andreaea Hedw.(Andreaeceae,Bryophyta) as inferred from RPS4 and TRNL-F sequences and morphology
The moss genus Andreaea possesses some sporophyte features that resemble liverworts or mosses and some gametophyte features resembling only the mosses, whereas other features are unique. This thesis presents the first phylogenetic study of the genus, based on both morphological and molecular …
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Quantitative palynological analyses of Albian-Cenomanian (Lower to Upper Cretaceous) strata in the Sverdrup Basin: Insights into paleoecology, paleoclimatology and palynostratigraphy
… wet lowlands inhabited by Pteridophytina and Bryophyta, with cooler, moist uplands inhabited by a variety of conifer plants. A humid and temperate climate prevailed at this time. Three sites from eastern Sverdrup Basin contain similar palynofloras with long-ranging taxa, but quantitative …
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Morphometric and molecular analysis of two distinct forms of Pseudocrossidium crinitum
Two distinct forms of Pseudocrossidium crinitum (Bryophyta) exist- a form with a white hair point on the leaf, and one with a yellow hair point on the leaf. The white and yellow forms exist in similar areas, but the yellow hair point form is found on its own in arid areas. In this paper we analyse …
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BRYOPHYTE ASSEMBLAGES ON AMERICAN HORNBEAM (CARPINUS CAROLINIANA) AND THE SURROUNDING ARBOREAL COMMUNITIES WITHIN THE FOREST OF EAST TEXAS
… the non-vascular plants, include the mosses (Bryophyta with approximately 13,000 species), the liverworts (Marchantiophyta with approximately 5,000 species), and the hornworts (Anthocerotophyta with approximately 150 species). Initial observations indicated that the midstory tree Carpinus …
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Living in the moss. Mesofaunal communities of Racomitrium lanuginosum in Icelandic rangelands
In higher latitudes, mosses (Bryophyta) represent a prominent part of the vegetation cover and contribute significantly to multiple ecological functions. The moss layer is connected with the atmosphere and the soil systems and hosts a variety of organisms, from tiny arthropods to microscopic …
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Palinoestratigrafía y palinofacies del eoceno medio-oligoceno en la parte central de la Cuenca de Ñirihuau, Argentina
… de 106 especies correspondientes a esporas de Bryophyta y Tracheophyta, 11 especies de hongos y 23 de paleomicroplancton de pared orgánica. Se reconocieron 32 palinofacies. Utilizando métodos estadísticos multivariados, las asociaciones de palinofacies fueron agrupadas en palinofacies tipo. Las …
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Epiphytic bryophytes in natural forests and cacao agroforests of Central Sulawesi, Indonesia
Diese Dissertation beinhaltet Studien zu der epiphytischen Moosflora in Primärwäldern und verschiedenartig beschatteten Kakao-Agroforsten in Zentral-Sulawesi, Indonesien. Agroforsten beherbergen eine große Vielfalt an Arten und stellen daher ein wichtiges Instrument zum Erhalt tropischer …