New, J.K. 1961: Biological flora of the British Isles. Spergula arvensis L. (S. sativa Boenn., S. vulgaris Boenn.). Journal of Ecology 49: 205–215.
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| New, J.K. 1961: Biological flora of the British Isles. Spergula arvensis L. (S. sativa Boenn., S. vulgaris Boenn.). Journal of Ecology 49: 205–215. |