autumn skullcap mushroom with an orange brown cap and slender stem in cartoon style. ideal for nature project, foraging

autumn skullcap mushroom orange brown cap slender stem nature foraging educational isolated white background cartoon style line art hand drawn outline contour inedible poisonous sketch deadly fungus galerina marginata icon design vintage forest medical black graphic plant drawing season biology woodland fungi botanical poison toxic medicinal venomous mycology engraved october