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Chromosome Numbers in Cheilanthes, Notholaena, Llavea and Polypodium

Irving W. Knobloch
American Journal of Botany
Vol. 54, No. 4 (Apr., 1967), pp. 461-464
Stable URL: http://www.jstor.org/stable/2440837
Page Count: 4
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Chromosome Numbers in Cheilanthes, Notholaena, Llavea and Polypodium
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Abstract

The chromosome numbers of 10 previously uncounted species in Cheilanthes and 1 species of Notholaena are reported. Several confirmatory counts are also listed. One of the plants, Cheilanthes parryi, should probably be retained in the genus Notholaena. Four plants are sexnal diploids, three are diploid apomicts, four are triploid apomicts, and three are tetraploids.

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