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	Provedor de dados Naturalis (4) Autor Mennega, E.A. (4) Gadella, Th.W.J. (3) Kliphuis, E. (3) Berg, C.C. (1) Lindeman, J.C. (1) Tolsma, J. (1) Mais... Tipo do documento Article / Letter to the editor (4) Ano 1978 (1) 1969 (1) 1968 (1) 1966 (1) País Netherlands (4)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 4 Primeira ... 1 ... Última A new species of Peperomia (Piperaceae) from Equador Naturalis Berg, C.C.; Mennega, E.A.; Tolsma, J.. A new species of Peperomia, P. rugosa from Napo (Ecuador) is described and its position in the genus briefly discussed. Tipo: Article / Letter to the editor Ano: 1978 URL: http://www.repository.naturalis.nl/record/535032 Chromosome numbers and seedling morphology of some Angiospermae collected in Brazil Naturalis Gadella, Th.W.J.; Kliphuis, E.; Lindeman, J.C.; Mennega, E.A.. The chromosome numbers of 31 species of Angiospermae collected in S. Brazil were determined. Of these species 5 were studied before, the other numbers are new, 11 are first counts for genera and one even for a family. Some notes on the cytology and morphology are added. Tipo: Article / Letter to the editor Ano: 1969 URL: http://www.repository.naturalis.nl/record/534873 Chromosome numbers of some flowering plants of Spain and S. France Naturalis Gadella, Th.W.J.; Kliphuis, E.; Mennega, E.A.. The chromosome numbers of 32 plant species from Spain and S. France, all collected in natural habitats, were determined. Voucher specimens have been deposited in the Utrecht Herbarium. Tipo: Article / Letter to the editor Ano: 1966 URL: http://www.repository.naturalis.nl/record/534883 The chromosome number of Galactites duriaei Spach (Comp.) Naturalis Gadella, Th.W.J.; Kliphuis, E.; Mennega, E.A.. In a previous paper (Gadella c.s. 1966) a list of chromosome numbers of flowering plants of S. France and Spain was published. Unfortunately, one of the plants was misidentified. Collection number 61, collected near Javea, Monte Mongo, Alicante (Spain), was incorrectly assigned to Cirsium acarna (L.) Moench. The plant was considered to be a Cirsium in view of the plumose pappus. The chromosome number of a number of plants grown from this seedsample turned out to be 2n = 22, a number not found earlier in any Eurasiatic species of Cirsium. Moore & Frankton (1963) studied several North American species of the genus Cirsium and pointed out that in the North American representatives of Cirsium the chromosome numbers 2n = 34, 32, 30, 28, 26, 24, 22, 20, 18... Tipo: Article / Letter to the editor Ano: 1968 URL: http://www.repository.naturalis.nl/record/535059 Registros recuperados: 4 Primeira ... 1 ... Última

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