Harvard University Herbaria & Libraries

Adiantaceae
GH: 00678002 Cryptogramma stelleri (S. G. Gmelin) Prantl USA: Virginia Natural Bridge: Natural Bridge J. I. W. Thacher 1892
GH: 00681548 Pellaea glabella Mettenius ex Kuhn USA: Virginia Natural Bridge: Natural Bridge J. I. W. Thacher
Araceae
GH: 01081811 Arisaema dracontium (Linnaeus) Schott USA: Massachusetts Deerfield: Deerfield J. I. W. Thacher 1896-6-3
Cyperaceae
GH: 01060223 Eriophorum alpinum Linnaeus USA: Vermont Willoughby J. I. W. Thacher 1897-6-5
Ericaceae
GH: 01683467 Pieris floribunda (Pursh) Bentham & Hooker f. USA: Massachusetts Newton: [no additional data] J. I. W. Thacher 1895-5-3
Orchidaceae
NEBC: 00728185 Cypripedium arietinum R. Brown USA: Vermont Westmore: Westmore J. I. W. Thacher 1897-6-4
GH: 00728187 Cypripedium arietinum R. Brown USA: Vermont Willoughby J. I. W. Thacher 1897-6-4
Plantaginaceae
GH: 00656331 Penstemon calycosus Small USA: Massachusetts Greenfield: Greenfield J. I. W. Thacher 1910-7-1
Rosaceae
GH: 01588214 Dryas drummondii Richardson ex Hooker USA: Colorado Long's Peak J. I. W. Thacher 1888-8
GH: 00768920 Sibbaldia procumbens Linnaeus USA: Colorado Silverton: Silverton J. I. W. Thacher 3 1894
Scrophulariaceae
GH: 01841755 Erythranthe guttata (de Candolle) G. L. Nesom USA: Colorado Twin Lakes J. I. W. Thacher 1894-8
GH: 00655168 Verbascum phlomoides Linnaeus USA: Massachusetts Weston: Weston J. I. W. Thacher 1898-9-1
Taxaceae
NEBC: 00668346 Taxus canadensis Marshall USA: New Hampshire Tamworth: Tamworth J. I. W. Thacher