Orto Botanico di Parma umbellatus", "Caltha palustris", "Cyperus papyrus", "Eichhornia crassipes", "Elodea canadensis", "Iris pseudacorus", "Lemna minor", "Nymphaea alba", "Pistia stratiotes", and "Sagittaria sagittaefolia", as well as mature trees including ginkgo, magnolia, "Pinus nigra subsp. laricio", and "Ulmus campestris". Its glass houses contain a tropical section with "Dracaena fragrans", "Ficus elastica", "F. benjamina", "Monstera deliciosa", "Tamarindus indica", "Theobroma cacao", etc., as well as epiphytes, orchids, and tropical fruits; and a desert house containing a variety of cacti and succulents. Orto Botanico di Parma The Orto Botanico di Parma, also known as the Orto Botanico dell'Università di Parma, is a botanical garden maintained by the
How Democratic Is the American Constitution? government effectiveness too difficult. He does describe American performance as "mediocre," and concludes that changing the United States Constitution to a system resembling one of the other stable democracies would not necessarily negatively impact government performance. How Democratic Is the American Constitution? How Democratic is the American Constitution? (2001, , among others) is a book by political scientist Robert A. Dahl that discusses seven "undemocratic" elements of the United States Constitution. The book defines "democratic" as alignment with the principle of "one person, one vote", also known as "majority rule". The author praises the Framers of the Constitution as "men