Results 131 to 140 of about 2,947 (173)
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Das Rhizoid vonUlothrix zonata (Chlorophyceae)
Plant Systematics and Evolution, 1977Ulothrix zonata was studied under natural conditions in situ on slides exposed in a river. On them specimens grow in all stages of development. Older filaments are fixed on the substrate not only by the pointed basal cell but mainly by a branched, horizontally expanded rhizoid produced by this cell.
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INVERSION IN VOLVOX (CHLOROPHYCEAE)1
Journal of Phycology, 1977ABSTRACTThe asexual embryos of Volvox turn themselves inside out (invert) during development. Data presented indicate that inversion of the embryos is the result of several simple cellular shape changes, coordinated in space and time. Using whole embryos, cell groups and individual embryonic cells isolated by watchmaker's forceps and pressure on the ...
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Genealogy in Microspora (Chlorophyceae)
2000The genealogical relationships in the green algal genus Microspora (Chlorophyceae) are determined by phylogenetic analysis based on 15 ecological, morphological and reproductive characters. It is found that the traditional defining characters like cell shape and distinctness of the H-shaped pieces (composing the cell wall) play a major role in rooting ...
Jong, Y.S.D.M. (Yde) de +2 more
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THREE CHLOROPHYCEAE FROM ALABAMA SOIL
American Journal of Botany, 1959Deason, Temd R. (U. Texas, Austin.) Three Chlorophyceae from Alabama soil. Amer. Jour. Bot. 46(8): 572–578. Illus. 1959.— Three new algae from Alabama soil are described as follows: Spongiococcum gen. nov., with 2 species, S. tetrasporum sp. nov. and S. alabamense sp. nov.
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Note sur le genreChoricystis (Chlorophyceae)
Schweizerische Zeitschrift für Hydrologie, 1979Dans ce travail nous discutons la position systematique du genreChoricystis, nous etudions ses especes et nous essayons d'eclaircir la synonymie. Nous considerons que le genre est compose de cinq especes. L'etude a ete realisee principalement sur la base des diagnoses originales et des iconotypes.
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2014
In the investigated water bodies 91 species represented by 99 infraspecific taxa (infr. taxa) of Sphaeropleales are revealed. found Maximal number of species 62 (65 infr. taxa) in the rivers followed by reservoirs, 58 species (62 infr. taxa); lakes, 29 species (33 infr. taxa); swamps, 55 species (61 infr. taxa) and ponds, 53 species (56 infr. taxa) was
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In the investigated water bodies 91 species represented by 99 infraspecific taxa (infr. taxa) of Sphaeropleales are revealed. found Maximal number of species 62 (65 infr. taxa) in the rivers followed by reservoirs, 58 species (62 infr. taxa); lakes, 29 species (33 infr. taxa); swamps, 55 species (61 infr. taxa) and ponds, 53 species (56 infr. taxa) was
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2017
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Botryococcus canadensis, spec, nova (chlorophyceae, chlorococcales)
Archiv für Protistenkunde, 1991Summary A new representative of the genus Botryococcus Kutz ., B. canadensis, is described and figured from the plankton of South Indian Lakes, C-Canada. Main diagnostic features and the position of the species within the genus are discussed.
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The genus Neochloris Starr (Chlorophyceae, Chlorococcales)
Phycologia, 1973Abstract Study and culture of five isolates of the genus Neochloris revealed three previously undescribed species. A morphological key to all current species of Neochloris as cultured under standard conditions is provided. Supplementary growth patterns and physiological attributes are reported.
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2014
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?? ???????????????????? ???????????????????? ?? 1994 - 2002 ????. ???????????????????? ???????????????????? ?????????? ???????????? ??. ?????????? ???? ???????? ?????????????? ???????????????? 77 ?????????? ?????????????? ????????????????????????????, ???? ?????????????????????? ???? 3 ????????????, 8 ????????????????, 13 ?????????? ?? 26 ??????????. ??
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