Aizoaceae GH: 01785988 Mollugo verticillata Linnaeus USA: California [data not captured] I. M. Johnston 1924-7-10
Asteraceae GH: 01003773 Artemisia biennis Willdenow USA: California North end of Baldwin Lake, San Bernardino Mt... I. M. Johnston 1924-9-1
GH: 00386543 Brickellia desertorum Coville USA: California Dead Man Point, Mohave Desert I. M. Johnston 1924-8-31
GH: 00417282 Chrysothamnus nauseosus consimilis (Greene) Hall & Clements USA: California along Johnston Grade out of Cactus Flats, Sa... I. M. Johnston 1924-9-1
GH: 00417439 Chrysothamnus parryi asper (Greene) Hall & Clements USA: California San Bernardino Mts., between Arrastre Flats ... I. M. Johnston 1924-9-1
GH: 00387045 Chrysothamnus viscidiflorus (Hooker) Nuttall USA: California Cactus Flats, San Bernardino Mts. I. M. Johnston 1924-9-1
GH: 00518492 Chrysothamnus viscidiflorus (Hooker) Nuttall USA: California Head of Johnsons Grade, near Doble, San Bern... I. M. Johnston 1924-9-1
GH: 00518492 Chrysothamnus viscidiflorus stenophyllus (A. Gray) H. M. Hall & Clements USA: California Head of Johnsons Grade, near Doble, San Bern... I. M. Johnston 1924-9-1
GH: 00387124 Corethrogyne filaginifolia (Hooker & Arnott) Nuttall USA: California Fish Camp, San Bernardino Mts. I. M. Johnston 1924-9-2
GH: 00417455 Ericameria arborescens Greene USA: California Evey-Palmer Canyon Firebreak, San Gabriel Mt... I. M. Johnston 1924-8-13
GH: 00417282 Ericameria nauseosa oreophila (A. Nelson) G. L. Nesom & G. I. Baird USA: California along Johnston Grade out of Cactus Flats, Sa... I. M. Johnston 1924-9-1
GH: 00417455 Ericameria parishii (Greene) Hall USA: California Evey-Palmer Canyon Firebreak, San Gabriel Mt... I. M. Johnston 1924-8-13
GH: 00417439 Ericameria parryi aspera (Greene) G. L. Nesom & G. I. Baird USA: California San Bernardino Mts., between Arrastre Flats ... I. M. Johnston 1924-9-1
GH: 00417828 Gutierrezia sarothrae (Pursh) Britton & Rusby USA: California Head of Johnson's Grade, above Doble I. M. Johnston 1924-9-1
GH: 00414527 Helianthus nuttallii parishii (A. Gray) Heiser USA: California 2 mi. S. of San Bernardino I. M. Johnston 1924-9-2
GH: 00414527 Helianthus parishii A. Gray USA: California 2 mi. S. of San Bernardino I. M. Johnston 1924-9-2
GH: 00417997 Isocoma acradenia eremophila (Greene) G. L. Nesom USA: California Box S Spring, Mohave Desert I. M. Johnston 1924-8-31
GH: 00427604 Lepidospartum squamatum (A. Gray) A. Gray USA: California Box "S" Spring, Mohave Desert I. M. Johnston 1924-9-1
GH: 00427657 Packera bernardina (Greene) W. A. Weber & A. Löve USA: California 2 miles W. of Fawnskin, San Bdno. Mts I. M. Johnston 1924-7-6
Ceratophyllaceae GH: 02073218 Ceratophyllum demersum Linnaeus USA: California [data not captured] I. M. Johnston 1924-8-31
Chenopodiaceae GH: 01826680 Atriplex rosea Linnaeus USA: California [data not captured] I. M. Johnston 1924-8-1
Cleomaceae GH: 00378559 Cleomella plocasperma S. Watson USA: California 1/2 mi. N. of Box "S" Spring, Mohave Desert I. M. Johnston 1924-9-1
Cyperaceae GH: 01540919 Carex cryptosperma Zika, D. S. Bell & L. J. Gross USA: California Bluff Lake, San Bernardino Mts I. M. Johnston 1924-7-5
GH: 01540919 Carex rossii Boott USA: California Bluff Lake, San Bernardino Mts I. M. Johnston 1924-7-5
GH: 00027748 Eleocharis leptos johnstonii Svenson USA: California North end of Baldwin Lake, San Bernardino Mo... I. M. Johnston 1924-9-1
Ericaceae GH: 01117433 Arctostaphylos glandulosa Eastwood USA: California Along Sunset Trails, 1 1/2 mi. S. of Sunset ... I. M. Johnston 1924-8-13
GH: 00350842 Arctostaphylos parryana Lemmon USA: California San Gabriel Mts. Along Sunset Trail, 1 1/2 m... I. M. Johnston 1924-8-13
Fabaceae GH: 02343322 Trifolium longipes atrorubens (Greene) J. M. Gillett USA: California [data not captured] I. M. Johnston 1924-7-5
Fagaceae GH: 00344197 Quercus alvordiana Eastwood USA: California San Bernardino Mts I. M. Johnston 1924-9-1
GH: 00344282 Quercus chrysolepis Liebmann USA: California Cushenberry Grade, San Bernardino Mts., cany... I. M. Johnston 1924-9-1
Juncaceae GH: 02101104 Juncus macrophyllus Coville USA: California [data not captured] I. M. Johnston 1924-9-2
Lamiaceae GH: 00400574 Monardella linoides erecta (Abrams) Elvin & A. C. Sanders USA: California San Bernardino Mountains: North side of Gold... I. M. Johnston 1924-9-1
GH: 00400627 Monardella saxicola I. M. Johnston USA: California along trail near start of new trail to Brown... I. M. Johnston 1924-8-13
GH: 00402475 Trichostema micranthum A. Gray USA: California San Bernardino Mountains: Holcomb Valley I. M. Johnston 1924-9-1
GH: 00402518 Trichostema parishii Vasey USA: California Sunset Trail, San Gabriel Mts I. M. Johnston 1924-8-13
Onagraceae GH: 00367812 Epilobium canum latifolium (Hooker) P. H. Raven USA: California Fish Camp, San Bernadino Mts I. M. Johnston 1924-9-2
Poaceae GH: 00355888 Muhlenbergia rigens (Bentham) Hitchcock USA: California San Bernardino Mountains: 1 mi. E. of Hunsak... I. M. Johnston 1924-9-2
Polygonaceae GH: 00364137 Eriogonum fasciculatum polifolium (Bentham) Torrey & A. Gray USA: California Head of Evey Canyon, San Antonio Mts. along ... I. M. Johnston 1924-8-13
GH: 00364351 Eriogonum microthecum corymbosoides Reveal USA: California San Bernardino Mountains. Between Holcomb & ... I. M. Johnston 1924-9-1
GH: 00364434 Eriogonum parvifolium Smith USA: California 1/2 mi. S. of mouth of Aliso Canyon near Lag... I. M. Johnston 1924-7-10
GH: 02005488 Rumex maritimus fueginus (Philippi) Dusén USA: California San Bernardino Mountains: [data not captured... I. M. Johnston 1924-9-1
