Galium murale, Rio Cuga, Sardinia

Galium murale, Rio Cuga, Sardinia

Observation - Galium murale, Rio Cuga, Sardinia - Global. Description: Leaves retrorsely aculeate (spines pointing forward rather than backward as is G. aparine)

Leaves retrorsely aculeate (spines pointing forward rather than backward as is G. aparine)