. . I use Wikipedia early and often, but always with the caution, "verify and verify again" - and always verify with sites that are not getting their info from Wikipedia.

Aside from deliberate slant there is a lot of sloppiness. For instance, if you believe Wikipedia and/or the many "free" sites that simply copy their stuff, yellow peas (the majority of peas grown in Canada) are actually a neurotoxic vetch.