Austin, Hepat. Bor.-Amer. Exs.
Coe Finch Austin [1 - 150]

New York Botanical Garden
Catalog #: 228014
H. W. Ravenel s.n. 00 November 1887
Herbertus aduncus (Dicks.) Gray
United States of America, Ohio, Warren Co., {From protologue: ["Hab. In shady alluvial soils on the banks of the Little Miami,(Ohio) near the town of Lebanon. Flowering in July." [Ohio, Warren County, collected by Thomas Nuttall]].

Academy of Natural Sciences of Drexel University
Catalog #: PH00143433
Peck #s.n.
Herberta tenuis Evans
USA, New York, Catskill Mountains (New York) and Greenwoods Mountains (New Jersey); also in the Alleghanies southward

University of Michigan Herbarium
Catalog #: 695280
[no data] #s. n.
Herbertus aduncus ssp. tenuis H.A. Mill. & E.B. Scott
USA, Catskill Mountains, New York, Peck; Greenwood Mts., N. J., Aust.; also in the Alleghanies southward