Linked from
The 15 pages that link to Green algae, each with the reason it gives.
LichenRelated: Green algae are common photobionts in lichens.
EuglenidRelated: The photosynthetic ancestry of euglenid chloroplasts traces to green algae.
Lobaria pulmonariaRelated: Green algae provide much of the photosynthetic carbon in lungwort.
PlantRelated: Some classifications include green algae among plants, while others separate them.