Raven had a natural feel for plants in their habitat and soon spotted among the roots of several of Harrison’s “discoveries ” weeds that were common in England but rare on Rum.
Ravenil oli taimede loodusliku asukoha suhtes terav vaist, nii et peagi leidis ta Harrisoni mitmete „avastuste ” juurte ümbert umbrohtusid, mis Inglismaal olid üldlevinud, ent Rumi saarel haruldased.