STUDIES IN MESPILUS, CRATAEGUS, AND ×CRATAEMESPILUS (ROSACEAE), I. DIFFERENTIATION OF MESPILUS AND CRATAEGUS, EXPANSION OF ×CRATAEMESPILUS, WITH SUPPLEMENTARY OBSERVATIONS ON DIFFERENCES BETWEEN THE CRATAEGUS AND AMELANCHIER CLADES

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ژورنال

عنوان ژورنال: Phytotaxa

سال: 2016

ISSN: 1179-3163,1179-3155

DOI: 10.11646/phytotaxa.257.3.1