Ceratocephala testiculata (Crantz) Roth

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Ada Hayden Herbarium
Iowa State University
Flora of Iowa
Ranunculus testiculatus Crantz
Washington County: T74N R9W Section 28 NE4 SW4 NE4 NW4
UTM (NAD83,15T): 592260 East, 4560380 North
91° 53’ 59.6466" West, 41° 11 ’ 29.3437" North Elevation 670 feet
Lake Darling State Park is owned by the Iowa DNR and is approximately 3.5
miles west/northwest of Brighton. It is on the Southern Iowa Drift Plain.
Ranunculus testirailatns is common in the crushed limestone over mineral soil
in camping pads in a portion of a campground adjacent to an artificial lake. It
also occurs in mineral soil adjacent to camping pads plus in bare and thin
spots in nearby mowed lawn under trees. The camping pads are partially
shaded by trees including Quercus imbricaria and Quercus macrocarpa. All
genets have fruits, while some have flower buds. The petals are pale yellow.
Ranunculus testiculatus is associated with Taraxacum officinale and
Holosteum umbellatum.
Mark J. Leoschke 2643	May 1.2007
Collected for the Wildlife Bureau of the Iowa Department of Natural Resources
02744008