blooming cotton grass sedge eriophorum angustifolium next to a boulder in iceland

big stone blooming grass sedge botany boulder common cottonsedge cotton cottongrass eriophorum angustifolium flora grasslike perennial green iceland landscape large rock lichens moss natural nature dynjandi waterfall gongumannafoss plant sarit richerson saritrichersoncom family tundra vegetation westfjords white feathery flowers wild wildflowers next lichen covered surrounded thick region