2 · Nature
25 · earth, world as celestial body
25G · plants; vegetation
25G4 · plants and herbs
25G4(...) · plants and herbs (with NAME)
25G4(PEA) · plants and herbs: pea
25G4(PEA)(+3) · plants and herbs: pea (+ characteristics of plant growth)
25G4(PEA)(+34) ·
plants and herbs: pea (+ bearing fruit)