No. 40 (1997)
Research article
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Data about the Entonaema and Ustulina Genres (Pyrenomycetes, Xylariaceae)
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Abstract 1011
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PDF (Español) 601
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Abstract 1011
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A new species of Thompsonella (Crassulaceae) from the state of Guerrero, Mexico
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Abstract 1084
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PDF (Español) 471
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Abstract 1084
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Germination and survival of five Cactace species from The Tehuacan Valley: Implications for their conservation
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Abstract 1989
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PDF (Español) 1188
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Abstract 1989


