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A Survey Of The Vascular Flora Of Black Hawk County, Iowa, Karen E. Van Norman
A Survey Of The Vascular Flora Of Black Hawk County, Iowa, Karen E. Van Norman
Dissertations and Theses @ UNI
Black Hawk County, located in the east-central part of the state of Iowa, is a political subdivision of 570 square miles. The topography of the county is the result of glaciation, erosion and deposition, causing gently rolling plains. The Cedar and the Wapsipinicon rivers transect the county from the northeast to the southwest. With their tributaries, these rivers comprise a natural drainage network which has enhanced agricultural practices throughout the county.
The vascular flora of the county was surveyed in the field during the growing seasons of 1982 and 1983. Over 1500 voucher specimens were collected. Data were also compiled …