Raspberry (Rubus idaeus)

Raspberry (Rubus idaeus)

Observation - Raspberry (Rubus idaeus) - UK and Ireland. Description: Wild raspberries. Are the yellow ones a separate sub-species or just a natural variation? Judging from the range of places I've found them, they are probably not a garden escapee.

Wild raspberries. Are the yellow ones a separate sub-species or just a natural variation? Judging from the range of places I've found them, they are probably not a garden escapee.