Thus the common buttercup is Ranunculus acris L., where the 'L' is the standardised abbreviation for Linnaeus.
Ranunculus | Ranunculus sardous | Ranunculus repens | Ranunculus acris | Ranunculus fluitans | Ranunculus cymbalaria | ''Ranunculus arvensis | ranunculus |
Associated plants include several species of Carex, such as C. scoparia, C. tenera, and C. tincta, plus Rumex acetosella, Leucanthemum vulgare, Ranunculus acris, Anaphalis margaritacea, Achillea millefolium, Phleum pratense, Vicia cracca, Juncus spp.