So the title says it all. If I am scavenging wood in the wilderness, does some of it burn toxic? If so what kinds. This question is derived from this answer.
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Yes, some sources create toxic smoke/fumes, notably:
I'm not sure of a comprehensive list, but be wary of any poisonous wood / shrub, it's probably more likely to burn toxic. As pointed out in the comment, unless you can identify vines well then it may be a good idea to stay away from all of them - dead ones are hard to identify.
In addition, be aware that any wood containing sap (pine for instance) will tend to spit, so don't cook directly on such a fire, otherwise your food may get coated! These are generally OK to use if your food is well above the fire though.
I also wouldn't use any processed wood that may contain glue, varnish etc. - highly likely it could burn toxic. I know this is for a survival situation, but sometimes you can come across "easy" treated wood that's been dumped off someone (old furniture for instance.) I wouldn't just immediately grab it, especially if you're using it for cooking.