Harvard University Herbaria & Libraries

Betulaceae
GH: 02193821 Betula sandbergii Britton USA: Michigan [data not captured] E. G. Voss 11474 1964-5-10
Haloragaceae
GH: 01626749 Myriophyllum farwellii Morong USA: Michigan N part of Cusino Lake, ca. 8 mi. E of Melstr... E. G. Voss 11551 1964-6-29
Juncaceae
GH: 02398634 Juncus stygius americanus (Buchenau) Hultén Canada: Ontario Thunder Bay District: [data not captured] E. G. Voss 11657 1964-7-19
Plantaginaceae
GH: 02001074 Littorella americana Fernald USA: Michigan [data not captured] E. G. Voss 11733 1964-8-2
Potamogetonaceae
GH: 01564087 Potamogeton bicupulatus Fernald USA: Michigan [data not captured] E. G. Voss 11792 1964-9-11
GH: 01688161 Potamogeton haynesii Hellquist & G. E. Crow USA: Michigan bay west of mouth of Upper Black River, in B... E. G. Voss 11745 1964-8-5
GH: 01732144 Ruppia maritima Linnaeus USA: Michigan opposite Cedar Springs Resort, about Sec. 12... E. G. Voss 11538 1964-6-28