Helianthus tuberosus L.

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PLANT3 OF IOWA
Herbarium of Iowa 8tate College
Helianthus laetiflorus Pers.
Emmet Co#, Estherville Twp., Sec. 36.
Growing along th§ roadside at the edge of
cornfields 6 miles south of Estherville.
oil—Clarion loam.
Assooi Helianthus tuberosus.
'Achene hairy at tip; tubers present.
Sept. 4, 1934.
Coll. by Ada Hayden
No. 10,743
02893592