Arum Family: Araceae
American Skunk Cabbage, Skunk-cabbage, Yellow Skunk Cabbage: Lysichiton americanus (Synonym: Lysichitum americanum) - Plants of moist to wet places which are among the first to bloom in the spring. The large elliptical to oblanceolate leaves can extend to lengths of as much as 1.5 meters long. A bright yellow, cloaklike spathe surrounds the stalk bearing numerous tiny flowers. Plants are well known for their foul, sulfur-like smell.
Nettles Family: Urticaceae
Pellitory, Pennsylvania Pellitory: Parietaria pensylvanica (Synonyms: Parietaria obtusa, Parietaria occidentalis, Parietaria pensylvanica var. obtusa, Parietaria pennsylvanica)
Stinging Nettles: The Genus Urtica