Iowa vascular flora, pteridophytes, ferns and fern allies, state flora additions, county occurrence records
This report updates field collection records and summarizes nomenclatural changes of genera and binomials of species of Iowa pteridophytes based on the Flora of North America project. Botrychium simplex var. compositum, Gymnocarpium jessoense (Koidz.) Koidz. spp. parvulum Sarvela, Gymnocarpium Xhrittonianum (Sarvela) Pryer & Haufler, and Gymnocarpium Xintermedium Sarvela were recently added to the state flora. The flora now consists of 66 species, plus 7 hybrids, and 1 distinct form, for a total of 74 taxa. With the addition of 81 new county occurrence records, the Iowa pteridophyte flora now consists of 1754 county occurrence records. A data matrix of species/county occurrence records is provided.
Journal of the Iowa Academy of Science
© Copyright 1997 by the Iowa Academy of Science, Inc.
Peck, James H.; Nekola, Jeffrey C.; and Thomas, William
"Additions to the Pteridophyte Flora of Iowa-IV,"
Journal of the Iowa Academy of Science: JIAS, 104(4), 77-81.
Available at: https://scholarworks.uni.edu/jias/vol104/iss4/3