white form marsh thistle

white form marsh thistle

Observation - white form marsh thistle. Description: These four plants were found at two different locations.Both these locations are rough grassland which covers land which was used as tips for colliery waste.Are there any records of increased colour morphs on coal tips? I have not observed any white forms

These four plants were found at two different locations.Both these locations are rough grassland which covers land which was used as tips for colliery waste.Are there any records of increased colour morphs on coal tips? I have not observed any white forms elsewhere in the area.