The voles choose species with high digestibility where possible and avoid some common plants amongst which they live such as the tufted hairgrass (Deschampsia cespitosa) and rosebay willowherb (Chamerion angustifolium).
Chamerion angustifolium, a herbaceous plant in the Onagraceae family, sometimes referred to by the common name rosebay in Britain
Chamerion angustifolium | Vaccinium angustifolium | Triosteum angustifolium | Eriophorum angustifolium |
The eastern bank has extensive brambles with clumps of blackthorn and hawthorn, and herbs such as rosebay willowherb and michaelmas daisy.