Harvard University Herbaria & Libraries

FH: 00418546 Arthonia punctiformis Acharius USA: District of Columbia [data not captured] T. A. Williams 1898
FH: 01139807 Dermatocarpon arboreum (Schweinitz ex E. Michener) Fink USA: Maryland [data not captured] T. A. Williams 1898-5
FH: 00471815 Phaeographis dendritica (Acharius) Müller Argoviensis USA: District of Columbia [data not captured] T. A. Williams 1898-5
FH: 00472914 Physcia phaea (Tuckerman) J. W. Thompson USA: Wyoming [data not captured] T. A. Williams 1898-8-19
FH: 00473077 Physcia stellaris (Linnaeus) Nylander USA: Wyoming [data not captured] T. A. Williams 1898-8-19
FH: 00468621 Xanthoparmelia stenophylla (Acharius) Ahti & D. Hawksworth USA: Wyoming [data not captured] T. A. Williams 1898-8-19
FH: 00467694 Xanthoparmelia wyomingica (Gyelnik) Hale USA: Wyoming [data not captured] T. A. Williams 1898-8-19
Araceae
GH: 01654348 Arisaema triphyllum pusillum (Peck) Huttleston USA: District of Columbia Rock Creek T. A. Williams 1898-4-25
Asteraceae
GH: 01834484 Lactuca floridana (Linnaeus) Gaertner USA: Maryland [data not captured] T. A. Williams 1898-8-17
Betulaceae
A: 02071361 Carpinus caroliniana virginiana (Marshall) Furlow USA: District of Columbia [data not captured] T. A. Williams 1898-7-27
Cladoniaceae
FH: 00411967 Cladonia cristatella Tuckerman USA: Maryland [data not captured] T. A. Williams 21 1898
FH: 01140099 Cladonia papillaria (Ehrhart) Hoffmann USA: District of Columbia [data not captured] T. A. Williams 1898-12
FH: 00391155 Cladonia subcariosa Nylander USA: District of Columbia Washington: [data not captured] T. A. Williams 1537 1898-5
FH: 00475467 Pycnothelia papillaria molariformis (Hoffmann) Schaerer USA: District of Columbia [data not captured] T. A. Williams 1898-12
FH: 00475469 Pycnothelia papillaria molariformis (Hoffmann) Schaerer USA: District of Columbia [data not captured] T. A. Williams 1898-12
Cornaceae
A: 01843798 Cornus amomum Miller USA: Maryland Glen Sligo T. A. Williams 1898-6-23
Cupressaceae
A: 02105215 Juniperus horizontalis Moench USA: Wyoming Clear Creek; Big Horn Mts T. A. Williams 1898-7-27
Dermateaceae
FH: 00454162 Melaspilea demissa (Tuckerman) Zahlbruckner USA: District of Columbia [data not captured] T. A. Williams 1898-4
FH: 00454163 Melaspilea demissa (Tuckerman) Zahlbruckner USA: District of Columbia [data not captured] T. A. Williams 1898-4
Ericaceae
A: 01592380 Gaylussacia baccata (Wangenheim) K. Koch USA: District of Columbia Takoma Heights T. A. Williams 1898-5-15
A: 01592382 Gaylussacia baccata (Wangenheim) K. Koch USA: District of Columbia Takoma Park T. A. Williams 1898-7-3
Fabaceae
GH: 02345543 Vicia caroliniana Walter USA: District of Columbia [data not captured] T. A. Williams 1898-4-25
Hydrangeaceae
A: 01750973 Hydrangea arborescens Linnaeus USA: Maryland Glen Sligo [?] T. A. Williams 1898-6-23
Lamiaceae
GH: 01597978 Pycnanthemum tenuifolium Schrader USA: Maryland Takoma Park: [no additional data] T. A. Williams 1898-7-20
Lecanoraceae
FH: 00419307 Aspicilia gibbosa (Acharius) Körber USA: Montana [data not captured] T. A. Williams 1898
Lecideaceae
FH: 00452709 Lecidea cyrtidia Tuckerman USA: District of Columbia Washington: [data not captured] T. A. Williams 1898-1-23
FH: 00452710 Lecidea cyrtidia Tuckerman USA: District of Columbia Washington: [data not captured] T. A. Williams 1898-1-23
FH: 00452974 Lecidea paddensis (Tuckerman) Zahlbruckner USA: Montana Missoula: [no additional data] T. A. Williams 1898-9
FH: 00452977 Lecidea paddensis (Tuckerman) Zahlbruckner USA: Montana Missoula: [no additional data] T. A. Williams 1898-9-6
Oleaceae
GH: 01846797 Chionanthus virginicus Linnaeus USA: Maryland Takoma Park: [no additional data] T. A. Williams 1898-5-15
A: 01846798 Chionanthus virginicus Linnaeus USA: Maryland Takoma Park: [no additional data] T. A. Williams 1898-5-18
Opegraphaceae
FH: 00454162 Opegrapha demissa Tuckerman USA: District of Columbia [data not captured] T. A. Williams 1898-4
FH: 00454163 Opegrapha demissa Tuckerman USA: District of Columbia [data not captured] T. A. Williams 1898-4
Orchidaceae
AMES: 02065538 Galearis spectabilis (Linnaeus) Rafinesque USA: District of Columbia Rock Creek T. A. Williams 1898-5-10
AMES: 02028103 Goodyera pubescens (Willdenow) R. Brown USA: District of Columbia Lay farm T. A. Williams 1898-7-26
Parmeliaceae
FH: 00413008 Cetraria aculeata (Schreber) Fries USA: Wyoming [data not captured] T. A. Williams 1898
FH: 01141371 Coelocaulon aculeatum (Schreber) Link USA: Wyoming [data not captured] T. A. Williams 1898-8-1
FH: 00438316 Imshaugia placorodia (Acharius) S. L. F. Meyer USA: District of Columbia Washington: [data not captured] T. A. Williams 1898-3
FH: 00438317 Imshaugia placorodia (Acharius) S. L. F. Meyer USA: District of Columbia Washington: [data not captured] T. A. Williams 1898-3
FH: 00467694 Parmelia molliuscula Acharius USA: Wyoming [data not captured] T. A. Williams 1898-8-19
FH: 01141129 Parmeliopsis aleurites (Acharius) Nylander USA: District of Columbia [data not captured] T. A. Williams 1898-3
Pertusariaceae
FH: 00471499 Pertusaria pustulata (Acharius) Duby USA: District of Columbia [data not captured] T. A. Williams 1898-4
FH: 00471503 Pertusaria pustulata (Acharius) Duby USA: District of Columbia [data not captured] T. A. Williams 1898-4
FH: 00888115 Pertusaria pustulata (Acharius) Duby USA: District of Columbia Washington: [data not captured] T. A. Williams 1898-4
Primulaceae
GH: 01918942 Lysimachia quadrifolia Linnaeus USA: Maryland Takoma Park: [no additional data] T. A. Williams 1898-6-25
Rosaceae
A: 01730378 Aronia arbutifolia (Linnaeus) Persoon USA: District of Columbia [data not captured] T. A. Williams 1898-5-2
A: 01602023 Rosa sp. USA: Wyoming North Fork, Clear Creek. Big Horn Mts. T. A. Williams 1898-8-18
Rubiaceae
GH: 02138417 Galium mollugo Linnaeus USA: District of Columbia Washington: [data not captured] T. A. Williams 1898-5-24
GH: 02138611 Galium obtusum Bigelow USA: District of Columbia Washington: [data not captured] T. A. Williams 1898-5-24
Trapeliaceae
FH: 00491602 Trapelia coarctata (Turner ex Smith) M. Choisy USA: District of Columbia [data not captured] T. A. Williams 1898-1
FH: 00491603 Trapelia coarctata (Turner ex Smith) M. Choisy USA: District of Columbia [data not captured] T. A. Williams 1898-1
Usneaceae
FH: 00476552 Ramalina americana Hale USA: District of Columbia [data not captured] T. A. Williams 1898-5
Verrucariaceae
FH: 00473501 Placidium arboreum (Schweinitz ex E. Michener) Lendemer USA: Maryland [data not captured] T. A. Williams 1898-5
FH: 00473502 Placidium arboreum (Schweinitz ex E. Michener) Lendemer USA: Maryland [data not captured] T. A. Williams 1898-5
FH: 00473501 Placidium tuckermanii (Ravenel ex Montagne) Breuss USA: Maryland [data not captured] T. A. Williams 1898-5
FH: 00473502 Placidium tuckermanii (Ravenel ex Montagne) Breuss USA: Maryland [data not captured] T. A. Williams 1898-5