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 Turner, D., and L. W. Diij.wyn : The Botanist's Guide lliifnii,di England and 



Wales. 1805, 

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„ Topographical Botany, Second edition. 1883. 



WiLLKOMM, H. M. : Illustrationes Florae Hispaniae Insularumque Baleariiim, 

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E.l.A. PISOC, VOL. XXVni., SKCT. B. [3 W] 



