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Levantamento, no herbário IAN, das Papilionoideae (Leguminosae) ocorrentes no Estado do Pará. [PDF]
MARTINS-DA-SILVA, R. C. V. +1 more
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La Antracología: Método de recogida y estudio del carbón prehistórico [PDF]
Badal, Ernestina
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Caracterização morfológica comparativa de Jatropha curcas L., Jatropha mollissima (Pohl.)Baill. e Jatropha gossypiifolia L. [PDF]
ARRIEL, N. H. C. +4 more
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Polinizacion de Scalesia baurii spp. Hopkinsii (Asteraceae) en la Isla Pinta [PDF]
McMullen, Conley K., Naranjo, Sandra
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Datos para el estudio de las algas filamentosas en arrozales de l'Alt Empordà (Girona, N.E. de España) [PDF]
Cambra, Jaume, Domínguez Planella, A.
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Similarities among ribosomal RNA's of angiospermae and gymnospermae
Journal of Molecular Evolution, 1976Competitive hybridization of ribosomal RNAs was used to estimate similarities of nucleotide sequences between species of Angiospermae and Gymnospermae. Similarities have been measured with respect to Cucumis sativus. In Angiospermae the nucleotide sequences are highly conserved except in the species of the family of Compositae, where the percentages of
F, Maggini, R I, Dominicis, G, Salvi
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