Harvard University Herbaria & Libraries

FH: 00474755 Pseudocyphellaria anomala I. M. Brodo & T. T. Ahti USA: California [data not captured] F. E. Drouet & D. Richards 1941-9-19
Botrydiaceae
FH: 00550271 Botrydium granulatum (Linnaeus) Greville USA: California [data not captured] F. E. Drouet & D. Richards 1941-9-11
Ericaceae
A: 00362547 Arctostaphylos sp. USA: California Weaver creek northwest of Weaverville F. E. Drouet & D. Richards 4291 1941-9-19
Lamiaceae
ECON: 00400421 Mentha arvensis Linnaeus USA: California North fork of the Pit river, Alturas F. E. Drouet & D. Richards 4170 1941-9-11
Orchidaceae
AMES: 02051432 Epipactis gigantea Douglas ex Hooker USA: California canyon of the Sacramento river, Dunsmuir F. E. Drouet & D. Richards 4242 1941-9-16
Parmeliaceae
FH: 00442826 Letharia columbiana (Nuttall) J. W. Thomson USA: California [data not captured] F. E. Drouet & D. Richards 1941-9-10
FH: 00442949 Letharia vulpina (Linnaeus) Hue USA: California [data not captured] F. E. Drouet & D. Richards 1941-9-10
FH: 00442953 Letharia vulpina (Linnaeus) Hue USA: California [data not captured] F. E. Drouet & D. Richards 1941-9-13
FH: 00453806 Melanohalea elegantula (Zahlbruckner) O. Blanco, A. Crespo, P. K. Divakar, Esslinger, D. Hawksworth & Lumbsch USA: California [data not captured] F. E. Drouet & D. Richards 1941-9-10
Polygonaceae
ECON: 02006996 Rumex crispus Linnaeus USA: California [data not captured] F. E. Drouet & D. Richards 4191 1941-9-11
Rhamnaceae
ECON: 00425758 Frangula californica (Eschscholtz) A. Gray USA: California beside the drainage canal along the Sacramen... F. E. Drouet & D. Richards 4265 1941-9-17
ECON: 00425758 Rhamnus californica Eschscholtz USA: California beside the drainage canal along the Sacramen... F. E. Drouet & D. Richards 4265 1941-9-17