Koopman, J. (2011). Carex Europaea: The genus Carex L. (Cyperaceae) in Europe : accepted names, hybrids, synonyms, distribution, chromosome numbers. Weikersheim: Margraf Publishers.
Styl ChicagoKoopman, Jacob. Carex Europaea: The Genus Carex L. (Cyperaceae) in Europe : Accepted Names, Hybrids, Synonyms, Distribution, Chromosome Numbers. Weikersheim: Margraf Publishers, 2011.
Citace podle MLAKoopman, Jacob. Carex Europaea: The Genus Carex L. (Cyperaceae) in Europe : Accepted Names, Hybrids, Synonyms, Distribution, Chromosome Numbers. Weikersheim: Margraf Publishers, 2011.
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