Results 81 to 90 of about 142 (122)

A New Genus Record for Türkiye: Tolypella (Charophyceae), Contributions to the Ecology of T. salina

Natural Resources and Conservation
Kamil Mert YÜCEL, Hugo FONTES, Serdar Gökhan ŞENOL   +2 more
openaire   +1 more source

RECORDS OF TOLYPELLA PROLIFERA (CHAROPHYCEAE, CHARALES) IN TRANS-BAIKAL TERRITORY AND SARATOV REGION

, 2017
openaire   +1 more source

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Tolypella hispanica

This chapter gives an overview of the recent state of knowledge regarding Tolypella hispanica. It contains a full morphological description including identification hints and remarks on the potential risks of confusion. It also provides information on the distribution and ecology of the species in Europe and tackles potential threats.
Maria Rodrigo, Ralf Becker, Rodrigo Maria A   +2 more
exaly   +2 more sources

THE FEMALE GAMETANGIUM OF TOLYPELLA NIDIFICA A.BR.: A MISINTERPRETATION

Acta Botanica Neerlandica, 1973
SUMMARY The conclusion of Kausik & Bhattacharya (1971) that in the genus Tolypella there are two stalk cells in the female gametangium and only one such cell in Chara and Nitella is repudiated. Tolypella, Chara and Nitella have in fact one stalk cell, sometimes two.
exaly   +2 more sources

Tolypella glomerata

This chapter gives an overview of the recent state of knowledge regarding Tolypella glomerata. It contains a full morphological description including identification hints and remarks on the potential risks of confusion. It also provides information on the distribution and ecology of the species in Europe and tackles potential threats.
Klaus Van De Weyer, Van De Weyer Klaus
exaly   +2 more sources

Structure and development of the sex organs in Tolypella nidifica (O. Müll.) A.Br. (Characeae)

Botanical Journal of the Linnean Society, 1971
The occurrence of Tolypella(Characeae) in Libya is recorded for the first time. Also for the first time, the structural development of the male and female fructifications (the globule (antheridium) and the nucule (oogonium) respectively) in Tolypella nidifca(O. Mull.) A.Br. is described.
S. B. KAUSIK, S. S. BHATTACHARYA
exaly   +2 more sources

The quantities of DNA in the vegetative nuclei of Chara vulgaris and Tolypella glomerata (Charophyta)

Phycologia, 1987
Abstract Densitometric measurements of DNA were carried out on interphase nuclei of young shoots of Chara vulgaris and Tolypella glomerata coloured using the Feulgen technique. The results showed that in the two genera examined a maximum of 20–30% of the nuclei measured had a haploid cycle whereas at least 70% were polyploids (amount of DNA > 2C ...
N. Michaux-Ferrière, I. Soulié-Märsche   +1 more
exaly   +2 more sources

Tolypella nidifica

Hendrik Schubert, Elisabeth Lambert, Schubert Hendrik   +2 more
exaly   +2 more sources

Tolypella salina

Hendrik Schubert, Elisabeth Lambert, Schubert Hendrik   +2 more
exaly   +2 more sources