https://www.rhs.org.uk/plants/89610/nymphaea-alba-subsp-occidentalis-(h)/details
Nymphaea alba subsp. occidentalis (H) | /RHS
nymphaea albasubspoccidentalisrhs
https://www.ncbi.nlm.nih.gov/datasets/taxonomy/34301/
Nymphaea alba - NCBI - NLM
Nymphaea alba is a species of flowering plant in the family Nymphaeaceae.
nymphaea albancbinlm
https://www.rhs.org.uk/plants/171498/nymphaea-alba-plenissima-(h)/details
Nymphaea 'Alba Plenissima' (H) | /RHS
nymphaea albarhs