This is Phoneutria, one of the few spiders with venom that is very dangerous to humans.
Though we do have a few wandering spider species in North America, Phoneutria is only found in Central & South America.
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gilwizen.com/creativity-pho…
During fieldwork in French Guiana, @Ibycter had 2 assistants bitten by these spiders (hiding in boots left out overnight). Both bites were painful & unpleasant, but not too serious.
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