Common milkweed, horse nettle, jimsonweed, common pokeweed, cressleaf & common groundsel, pigweed, black nightshade, mountain laurels, and rhododendrons are all considered poisonous plants commonly found in Ohio.

Source: https://www.peoplesdefender.com/2023/10/04/can-my-livestock-eat-that/

Meanwhile, nightshade vegetables are also high in vitamin C, which can maintain healthy joints and don't make arthritis worse, he says.

Source: https://www.dailymail.co.uk/health/article-12696905/Biggest-nutrition-myths-debunked-experts-including-age-old-debate-frozen-vs-fresh-veg.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Yes some nightshade plants are poisonous but eggplant and tomato are also part of the same family and perfectly safe.

Source: https://www.mcall.com/2023/08/05/garden-keeper-invasive-plant-a-nuisance-but-not-dangerous/