... each of those transmission path-ways -or the way they are combined- affect differently the distribution, spread, and therefore maintenance of knowledge. For example, as is the case for other ... reviews of the development of the disciplinehave warned against the disciplinarily bias in ethnophar-macology. For example, in a review of articles publishedin one of the flagship journals of the ... where to find them,their uses, or how to harvest or cultivate them. In myownfieldwork,Ihaveoftenobservedchildrenusingplants for medicinal purposes, both for themselves and for they playmates, which...