Monstera deliciosa : Philodendron spiritus sancti, popularly known as the Holy Grail of plant ownership, was first described to science by George Bunting in 1987, from a plant he collected in 1982. The scientific name is Philodendron 'Burle Marx Variegated' Blue Moon Tropicals Our next species of poisonous and dangerous plants that call Delaware home is not only seen in Delaware's wetlands, but also is considered a common garden weed. Stinging nettle (Urtica dioica) is