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The Yellow-Pigmented Dictyostelia

James C. Cavender, Ann C. Worley and Kenneth B. Raper
American Journal of Botany
Vol. 68, No. 3 (Mar., 1981), pp. 373-382
Stable URL: http://www.jstor.org/stable/2442773
Page Count: 10
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The Yellow-Pigmented Dictyostelia
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Abstract

The cellular slime molds described herein are of a clear golden yellow color and belong to two naturally occurring groups. One we call Dictyostelium mexicanum sp. n. because it is found in soils from various parts of tropical and subtropical Mexico. The well-tapered stalk and disklike base are somewhat reminiscent of D. discoideum. The other is regarded as D. aureum E. W. Olive (1901) with which we feel it is closely identified if not identical. In the latter group the form of both the aggregation and sorocarp is suggestive of D. mucoroides. Some less pigmented isolates are separated as D. aureum var. luteolum var. n.

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