Harvard University Herbaria & Libraries

Asteraceae
GH: 00988549 Artemisia ludoviciana Nuttall USA: Iowa From the vicinity of Iowa Falls M. E. Peck 1928-8
GH: 02215143 Boltonia asteroides recognita (Fernald & Griscom) Cronquist USA: Iowa [data not captured] M. E. Peck 1928-8
GH: 02172778 Cirsium altissimum (Linnaeus) Sprengel USA: Iowa [data not captured] M. E. Peck 1928-8
GH: 02207521 Erigeron annuus (Linnaeus) Persoon USA: Iowa [data not captured] M. E. Peck 1928-8
GH: 02351768 Erigeron strigosus Muhlenberg ex Willdenow USA: Iowa [data not captured] M. E. Peck 1928-8
GH: 01832316 Hieracium kalmii Linnaeus USA: Iowa [data not captured] M. E. Peck 1928-8
Betulaceae
GH: 02071652 Corylus americana Walter USA: Iowa [data not captured] M. E. Peck 1928-8
Brassicaceae
GH: 01097971 Camelina microcarpa Andrzejowski ex de Candolle USA: Oregon [data not captured] M. E. Peck 9227 1928-7-3
Juncaceae
GH: 02399104 Juncus nodosus Linnaeus USA: Iowa [data not captured] M. E. Peck 1928-8
GH: 02399340 Juncus parryi Engelmann USA: Oregon [data not captured] M. E. Peck 9669 1928-7-27
GH: 02398961 Juncus tenuis Willdenow USA: Iowa [data not captured] M. E. Peck 1928-8
GH: 02397408 Juncus torreyi Coville USA: Iowa [data not captured] M. E. Peck 1928-8
Polygonaceae
GH: 02346007 Antenoron virginianum (Linnaeus) Roberty & Vautier USA: Iowa [data not captured] M. E. Peck 1928-8
GH: 02363768 Persicaria lapathifolia (Linnaeus) Delarbre USA: Iowa [data not captured] M. E. Peck 1928-8
Rubiaceae
GH: 02359762 Galium concinnum Torrey & A. Gray USA: Iowa [data not captured] M. E. Peck 1928-8
Urticaceae
GH: 02170301 Laportea canadensis (Linnaeus) Weddell USA: Iowa [data not captured] M. E. Peck 1928-8