Results 151 to 160 of about 1,033 (199)
Phycologia, 2017 To clarify species diversity of Tolypella (Characeae, Charophyceae) and the relationship between Tolypella and other genera in Characeae, sequence data from the nuclear ribosomal operon were assembled for 18 individuals of Tolypella.
Kenneth G Karol +2 more
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Membrane Control in the Characeae
Annual Review of Plant Biology, 1987M Tazawa, T Shimmen
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Are stoneworts (Characeae) clonal plants?
Aquatic Botany, 2012Two questions have been posed: whether the concept of clonality may be applied to charophytes (Characeae) and whether species of the genus Chara differ in the features connected with clonal life strategy. The following criteria of clonality were established: 1/an iterative growth form characterised by a horizontal (above- or underground) axis and ...
Katarzyna Bociąg, Emilia Rekowska
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American Midland Naturalist, 1968
This paper reports both previously reported and un- reported specimens extant from Illinois, in addition to further collections made by the author. Because of confusion that still exists about sub- species, varieties, and forms, only the species complex name is used.
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This paper reports both previously reported and un- reported specimens extant from Illinois, in addition to further collections made by the author. Because of confusion that still exists about sub- species, varieties, and forms, only the species complex name is used.
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Affinities and Interrelationships of the Characeae
Phycologia, 1962Abstract Developmental features of the Characeae are reviewed with reference to speculation on affinities and interrelationships of this group. A phylogenetic scheme is offered in which the Nitelloideae are considered a line distinct from the Charoideae. Nitella, on the basis of the presence of sympodial branching in its laterals and the greater degree
T. V. Desikachary, V. S. Sundaralingam
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Antherozoids of some of the Characeae
Botanical Gazette, 19411. The antherozoid of the Characeae studied is composed of about three to four coils. Its body is a somewhat flattened band which consists of an anterior cytoplasmic portion, a posterior vesicle, a cytoplasmic envelope, and an elongated nucleus which tapers to a sharp point at each end. 2.
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Allelopathic activity of Characeae
Biologia, 200413 different Characeae species were screened for allelopathic activity using agar-diffusion assays. Nine different Cyanobacteria, one diatom species and three Chlorophyceae were applied as target organisms. Whereas cyanobacteria were strongly inhibited by certain stoneworts, surprisingly no clearing of eukaryotic target strains was noted in any of the ...
Berger, Johanna, Schagerl, Michael
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Phosphorus, a Maximum Factor in the Growth of Characeae
Nature, 1964CAN phosphorus, the typical minimum element in plant growth, be a maximum factor for plants even at very low concentrations ? Experiments by Rodhe1 showed that the growth of Dinobryon divergens Imhof and Uroglena americana Calkins was inhibited or the plants were damaged by addition of only 5 µg phosphorus/l.
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Lamprothamnium in Australia (Characeae, Charophyceae)
Australian Systematic Botany, 2013Charophytes in the genus Lamprothamnium exhibit a large amount of diversity, particularly in the examples from Australia, although little of that variation has been recognised at species level in the past. The Australian members of the genus are revised here on the basis of extensive new collections, examination of specimens in herbaria and ...
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