Results 181 to 190 of about 3,457 (217)

PHYLOGENY OF THE CHAROPHYTA

TAXON, 1974
SummaryThe affinities of the phylum Charophyta and the general evolutionary trends undergone by this group since the Late Silurian are discussed briefly. The main emphasis is placed on the Mesozoic family Clavatoraceae as the rapid changes in the utricle, a supplementary envelope investing the female gametangium, have led to quite diversified and ...
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NEW AND NOTEWORTHY SOUTH AFRICAN CHAROPHYTA

Transactions of the Royal Society of South Africa, 1925
(1925). NEW AND NOTEWORTHY SOUTH AFRICAN CHAROPHYTA. I. Transactions of the Royal Society of South Africa: Vol. 13, No. 2, pp. 145-158.
James Groves, Edith L. Stephens
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SOME ANEUPLOIDS IN INDIAN CHAROPHYTA

Acta Botanica Neerlandica, 1986
SUMMARY Aneuploid chromosome numbers have been found in Indian material of Chara zeylanica var. zeylanica f. elegans (A.Br. & T.F.A.) Gr. & J.Gr. (n = 48) and Nitella acuminata var. acuminata f. belangari (A. Br.) R.D.W. (n = 29). The cytotaxonomy of the C. zeylanica complex has been discussed with reference to the antheridial scutae number.
S. K. Bhatnagar, M. Johri
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Jurassic and Cretaceous Charophyta of Western Canada

Micropaleontology, 2006
Jurassic and Cretaceous charophytes of Western Canada (Saskatchewan and Alberta) are known from two narrow stratigraphic intervals and parts of the Bathonian (Middle Jurassic) and Aptian (Early Cretaceous) sequences of the prairie sequences. Thirteen species are accounted for with, twelve from the Bathonian and three from the Aptian.
M. D. Georgescu, W. K. Braun
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The Charophyta from Clacton-on-Sea

Quarterly Journal of the Geological Society of London, 1923
The fruits vary considerably in size and shape, and represent in my opinion two, or possibly three, species. (1) The type to which most of the specimens belong resembles the fruit of the existing British Chara hispida , which it may well be. The length of the oogonium appears to be about 800 µ, but none of
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Upper Devonian Charophyta of Western Australia

Micropaleontology, 2003
Charophytes are described and illustrated from the Upper Devonian of Western Australia, including five genera and nine species of which four are new species. Most belong to the Family Umbellinaceae being placed in a new Class Umbellinaphyceae of the Division Charophyta.
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Recent advances in studies on fossil Charophyta

Journal of Palaeosciences, 1991
The main objective of the paper is to give a synoptic review of the more recent works on fossil Charophyta from India, particularly of those that have been published since the last review entitled “Post-Palaeozoic fossil charophyta of India” published in 1982 (Bhatia, 1982).
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???????????? ?????????? Charales (Charophyta) ??????????????

2016
The flora of Charales of Ukraine was analyzed in terms of taxonomic structure, ecological peculiarities, and geographical distribution.
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?????????????? ???????????????????????? ?? ???????????????? Charales (Charophyta) ???????? ???????????????????????????????? ?????????? ??????????????

2018
A study of the Charales (Charophyta) species diversity of the zone of deciduous forests in the Ukraine (ZDF) has revealed 60 new localities for 11 species from the genera Chara L. (7), Nitella C. Agardh (3), and Tolypella (A. Braun) A. Braun (1). Among them, the noteworthy records are Chara aspera Dethard. ex Willd., Ch. intermedia A.
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Stoneworts: Charophyta

1984
Janice Glimn-Lacy, Peter B. Kaufman
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