Cattleya intermedia and Laelia purpurata - Carlos Gomes

Varieties classification in Cattleya intermedia - Carlos Gomes

Criterions of judgment and punctuation in Cattleya intermedia - Carlos Gomes

The genus Sophronitis - Delfina de Araujo

Hoehne, a pioneer of nature conservation in Brazil - José Luiz de Andrade Franco & José Augusto Drummond

Hoehne and his excursion through the state of Rio de Janeiro - Delfina de Araujo

A new species for the state of Rio Grande do Sul - Cyrtopodium witeckii - Lou Menezes

New species or populational variations? - Luiz Menini Neto

Comunication and chemistry: a chemical language of the plants - Agnaldo Arroio

Orchid! - Sergio Araujo

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