Two chemical types of the red alga Plocamium cartilagineum from Chile

Examination of two close collections of Plocamium cartilagineum separated into plants bearing carposporophyte, tetrasporophyte and gametophyte yielded the same qualitative chemical composition, but the three reproductive phases have quantitative differences. We designate chemotype β to the collection which contains brominated monoterpenes and chemotype α to the group which lacks the enzymatic system which incorporates bromine. © 1988