Publication
Existence of Verbascum levanticum I. K. Ferguson in Portugal
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Abstract(s)
The species Verbascum levanticum I. K. Ferguson was introduced as an ornamental in the Botanical Garden of Coimbra, in the 19th century. It became naturalized over restricted areas in the centre of Portugal, colonizing walls, rock fissures and dry land. However, during during the past two years, we have found it growing quite vigorously on some walls in Coimbra. The existence of the species is discussed.