R.
S.
Mitchell
Hydrocharis morsus-ranae (Hydrocharitaceae) New to the U.S.. Rhodora 83, 147-148.
, 1981. Rare and Endangered Vascular Plant Species in New York State. U. S. Fish and Wildlife Service, Washington, D. C..
, 1980. Magnoliaceae through Ceratophyllaceae of New York State. New York State Museum BulletinThe University of the State of New York, Albany, New Jersey.
, 1979. Polygonaceae (Buckwheat Family) of New York State. New York State Museum BulletinThe University of the State of New York, Albany, New York.
, 1979. Preliminary Lists of Rare, Endangered and Threatened Species in New York State. New York State Museum LeafletThe University of the State of New York, Albany, New York.
, 1979. Stanley J. Smith (obituary). Taxon 28, 44.
, 1979. Rumex maritimus L. versus R. persicarioides L. in the Western Hemisphere. Brittonia 30, 293-296. doi:10.2307/2806664
, 1978. Atlas of New York State Ferns. New York State Museum BulletinThe University of the State of New York, Albany, New York.
, 1984. Berberidaceae through Fumariaceae of New York State. New York State Museum BulletinThe University of the State of New York, Albany, New York.
, 1983. Ranaunculaceae (Crowfoot Family) of New York State. New York State Museum BulletinThe University of the State of New York, Albany, New York.
, 1982.