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Abstract:
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A description is given of the characteristics and distributions of 115 distinct naturalized strains of subterranean clover. Approximately three-quarters of the strains appeared from their distributions to have been introduced and to have spread in their present forms, while the remainder, which are individually of very limited distribution, appeared to have evolved locally from naturalized and commercial material by natural crossing of mutation. An attempt was made to relate the apparent ecological succes rial, and a high level of hard-seedeness.
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