campanula lusitanica, iberian peninsula native

campanula lusitanica purple flower lusitanian bellflower annual grass glabrous pubescent intense blue open areas sandy soils dry exposed sun flowering plants campanulaceae iberian peninsula native herbs springtime seasonal wild isolated cut flora botanical herbage one herbarium specimen badajoz valdebotoa extremadura spain pastures identification botany meadows mediterranean voucher mounted plant sample collection data research work identity herbaria scientific documentation