<p>Additional data, table 1. Nicotine concentrations of self-collected wild mushrooms</p><p>Locations: 1 Forstenrieder Park (Bavaria, Germany), 2 Forst Kasten (Baveria, Germany), 3 </p><p>Höhenkirchner Forst (Bavaria, Germany), 4 Werdauer Wald (Thuringia, Germany); nq the nicotine concentration was between the LOD and LOQ and, therefore, not quantifiable,</p><p>(-): nicotine was not detectable.</p><p>Nicotine 4 nq Scientific Location concentration Nicotine identification Scientific [mg kg-1] Location concentration (name) identification (dry weight) [mg kg-1] (name) Agaricus campestris 4 (-) (dry weight) Amanita battarrae 3 nq Paxillus atromentosus 3 0.03 Amanita fulva 3 0.05 Phallus impudicus 1 nq Amanita muscaria 4 nq Pholiota flammans 2 0.06 Porphyrellus Amanita phalloides 4 0.02 2 nq Amanita rubescens 1 nq porphyrosporus 3 (-) Russula 1 nq 4 nq cyanoxantha 4 nq Boletus edulis 4 nq Russula densifolia 3 (-) Boletus erythropus 2 nq 4 nq Calocera viscosa 3 0.03 Russula ochroleuca 1 (-) 4 0.02 2 0.04 Clavulina coralloides 1 0.03 3 nq 3 nq 4 0.03 4 0.03 Russula vesca 1 nq Fomes fomentarius 1 nq 3 nq 2 (-) 4 (-) 3 nq Russula vinosa 1 (-) 4 (-) Scleroderma citrinum 4 (-) Fomitopsis pinicola 1 nq Thelephora palmata 2 nq 2 (-) Trametes gibbosa 1 nq 3 (-) 1 (-) 4 (-) 3 (-) Gymnopus confluens 3 (-) Trametes versicolor 1 nq Lactarius helvus 2 0.05 1 nq 3 0.02 2 (-) Lactarius lignyotus 1 0.04 4 (-) Lactarius rufus 2 (-) Tubifera ferruginosa 1 (-) Leccinum scabrum 4 nq Tylopilus felleus 1 nq Lycoperdon perlatum 1 nq 3 nq 2 0.02 4 (-) Xerocomellus 3 (-) 3 (-) Macrolepiota procera 1 nq chrysenteron 4 (-) Xerocomus badius 2 nq Mycena galopus 2 nq 3 0.02 4 nq</p>