Fig. 3: Classification of heather and non-heather honey.
From: Tracing the botanical origins of UK heather honey by relative quantification of plant DNA
Classification of honey based on relative quantity (RQ) of C. vulgaris and Erica spp. pollen in [A] heather and [B] non-heather honey types. The number of honeys belonging to each class is displayed for C. vulgaris (columns) and Erica spp. (rows) where class is defined as by RQ values; dominant: > 0.45, secondary: 0.16–0.45, important minor: 0.03–0.16, trace: 0.03–0.01, sporadic: 0.01–0.001 and none: < 0.001. aheather honeys are honeys with a suspected source of heather flowers nearby the apiaries.
