A Small Rant About Plant Toxicity Lists

Plant toxicity comes up a lot at work. People who are buying a plant often want to know if it's safe for dogs, cats, birds, children, or what have you, and this is something that houseplant books are surprisingly reluctant to cover. We do have a (cat-specific) list at work, up at the front counter, and I refer to it sometimes, but it's not entirely accurate (it lists Sansevieria trifasciata as