Chromosome numbers of some annual Trifolium species, occurring in the Netherlands
Acta botanica neerlandica , Volume 11 - Issue 1 p. 90- 92
The chromosome numbers of some of the annual species of the genus Trifolium occurring in the Netherlands were investigated. In the summer of 1959 seeds were collected in Walcheren, province of Zeeland, which is rich in Trifolium species.
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