University of Wisconsin - Madison
Catalog #: v0261840WIS
Taxon: Packera paupercula var. savannarum R.R.Kowal
Family: Asteraceae
Determiner: Mahoney, Alison & Soderholm, Sarah (2015)
Show Determination History
Collector: Kowal, Robert R.   2882   
Date: 1975-05-29
Verbatim Date: 1975-05-29
Locality: United States, Wisconsin, Grant, S of Woodman, SW of Big Green River & Green River School.
Habitat: On rock outcrop in pasture. Loamy soil between rocks where individuals are rooted with pH = 7.8-8.0 (the same as in a nearby corn field); clay soil of pasture with pH 5.6-5.8. Some in light shade of Betula papyrifera & Tilia american. With Poa compressa, P. angustifolia Daucus Carota, Achillea millefolium, Erigeron strigosus, Rhus glabra, Euphorbia, Ambrosia artemisiafolia, Tragopogon dubius, Plantago lanceolata, Toxicodendron radicans, Aquilegia canadensis, Lobelia spicata, Potentilla arguta, Campanula rotundifolia, Aster.
Occurrence Remarks: Originally collected by R.R. Kowal, 1970 Jun 25. Population Primary Sampling Unit (PSU) 3, individual 10B, grown in Test Garden 2, position A36. Voucher for chromosome count: 2n = 22 II, 8 cells counted (1972 Apr 6). Chromosome counts of cultivated Individuals 2, 3, 6, & 9: 2n = 22 II with 7, 5, 4, & 11 cells counted, respectively (1972 Jun 11 & 12, 1971 Feb 22, 1972 Jun 11, 1972 Mar 31, respectively); Individual 5 is a tetraploid!
Record Id: 24dcbad0-1359-4c86-bec1-b47c6e9c4d2f
Occurrence ID (GUID): 2486fee7-d215-41c8-b253-4ff4967f4db8
For additional information on this occurrence, please contact: Mary Ann Feist (mfeist@wisc.edu)
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