The need for a comprehensive study and
taxonomic revision of asters in Illinois
becomes apparent when one looks at the
varied treatments of this genus in the principal floristic literature of the state (G.N. Jones 1945, 1950, 1963; Jones and Fuller 1935: Mohlenbrock 1975. 1986; Mohlenbrock and Ladd 1978. Three factors contribute to the differences found in these works: the number of taxa recorded for Illinois, nomenclatural considerations such as those dictated by the principle of priority, and differences in taxonomic concepts and interpretations.
In the first edition of Flora of Illinois
(G.N. Jones 1945). 33 species are treated
under Aster, not counting hybrids. Three
additional species appear in the third edition (G.N. Jones 1963): A. chasei G.N. Jones in Jones & Fuller, a species newly described from Illinois: A. tartaricus L.f.. an occasionally escaped cultivated species; and A.parviveps (Burgess in Britton & Brown)
Mack. & Bush, probably inadvertently
omitted from the first two editions but
included in Jones and Fuller (1955). In the
most recent (Guide to the Vascular Flora of Illinois. Mohlenbrock (1986) treats 35
species. A notable change involves the
transfer of A. ptarmicoides (Nees) Torrey &
Gray to Solidago. In this revision, I recognize 31 species of Aster in the state of Illinois.
My research has concentrated on New
World and some Old World species of Aster
(sensu lato) forever 15 years (A.G. Jones
1974, 1977, 1978a, b, c. I980a, b, 1982, 1983,1984, 1987; Jones and Hiepko 1981; Jones
and Young 1983; Jones and Lowry 1986; and
others), and much additional infomation has
been introduced in this current study. My
taxonomic concepts are summarized in the
conspectus of classification of Illinois
Aster species (p. 144).
Publisher
Champaign, Ill. : Illinois Natural History Survey
Series/Report Name or Number
Illinois Natural History Survey Bulletin; v. 034, no. 02
ISSN
0073-4918
Type of Resource
text
Language
en
Permalink
http://hdl.handle.net/2142/26526
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