Willing E. & Willing R. 2010: A Willing Contribution to Flora Hellenica. Field records 2009, Drama, Imathia, Kavala, Pella, Pieria, Serres, Thessaloniki.

Berlin: Botanic Garden and Botanical Museum Berlin-Dahlem, online ed., 2012
ISBN 978-3-921800-76-8.

DOI: https://doi.org/10.3372/wfr2009

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