Agavaceae GH: 00357548 Nolina cismontana Dice USA: California Claymine Canyon, n. Santa Ana Mts., Orange C... J. T. Howell 2827 1927-7-24
Anacardiaceae A: 00364984 Malosma laurina (Nuttall) Nuttall ex Abrams USA: California Claymine Canyon, n. Santa Ana Mts. J. T. Howell 2826 1927-7-24
A: 00347072 Rhus integrifolia (Nuttall) Bentham & Hooker f. ex W. H. Brewer & S. Watson USA: California Santa Ana Canyon J. T. Howell 2545 1927-6-16
Asteraceae GH: 00417394 Chrysothamnus paniculatus (A. Gray) H. M. Hall USA: California San Felipe Wash J. T. Howell 3257 1927-11-26
GH: 00417394 Ericameria paniculata (A. Gray) Rydberg USA: California San Felipe Wash J. T. Howell 3257 1927-11-26
GH: 02204035 Heterotheca grandiflora Nuttall USA: California [data not captured] J. T. Howell 3112 1927-9-24
GH: 02204124 Heterotheca sessiliflora echioides (Bentham) Semple USA: California [data not captured] J. T. Howell 3109 1927-9-24
GH: 00417953 Isocoma menziesii vernonioides (Nuttall) G. L. Nesom USA: California Santa Ana Canyon J. T. Howell 3105 1927-9-24
GH: 00009656 Lessingia germanorum tenuipes J. T. Howell USA: California 4 miles south of Templeton J. T. Howell 3005 1927-8-17
GH: 00009657 Lessingia germanorum vallicola J. T. Howell USA: California 3 miles west of Manteca. J. T. Howell 3065 1927-8-27
GH: 00427769 Senecio flaccidus douglasii (de Candolle) B. L. Turner & T. M. Barkley USA: California 2 miles s. of Aguanga J. T. Howell 3272 1927-11-27
Bignoniaceae A: 00384785 Chilopsis linearis (Cavanilles) Sweet USA: California Just above Box S Ranch, Mojave Desert J. T. Howell 2687 1927-7-9
A: 00384786 Chilopsis linearis (Cavanilles) Sweet USA: California North arm of the Coachella Valley J. T. Howell 2880 1927-8-1
A: 00384785 Chilopsis linearis arcuata (Fosberg) Henrickson USA: California Just above Box S Ranch, Mojave Desert J. T. Howell 2687 1927-7-9
A: 00384786 Chilopsis linearis arcuata (Fosberg) Henrickson USA: California North arm of the Coachella Valley J. T. Howell 2880 1927-8-1
Calycanthaceae A: 00376836 Calycanthus occidentalis Hooker & Arnott USA: California Sage Canyon, Napa Range J. T. Howell 3041 1927-8-23
Capparaceae A: 00378588 Isomeris arborea Nuttall ex Torrey & A. Gray USA: California north-east of Randsburg J. T. Howell 3196 1927-11-12
A: 00378588 Peritoma arborea (Nuttall) Iltis USA: California north-east of Randsburg J. T. Howell 3196 1927-11-12
Caprifoliaceae A: 00386073 Lonicera subspicata johnstonii D. D. Keck USA: California Between Sierra Madre and Santa Anita Cañon,... J. T. Howell 3157 1927-10-16
Chenopodiaceae GH: 01784041 Cycloloma atriplicifolium (Sprengel) J. M. Coulter USA: California [data not captured] J. T. Howell 2778A 1927-7-15
Cornaceae A: 00385414 Cornus nuttallii Audubon ex Torrey & A. Gray USA: California Grant Forest, Sequoia Park near Sunset rock J. T. Howell 3075 [?] 1927-8-26
Cupressaceae GH: 00357953 Cupressus forbesii Jepson USA: California On steep rocky slope at head of Sierra Peak,... J. T. Howell 2983A 1927-8-10
GH: 00357953 Cupressus guadalupensis forbesii (Jepson) Beauchamp USA: California On steep rocky slope at head of Sierra Peak,... J. T. Howell 2983A 1927-8-10
Ephedraceae GH: 00356681 Ephedra viridis Coville USA: California 9 miles se. of Victorville, Mojave Desert J. T. Howell 2498 1927-6-11
Ericaceae A: 00363253 Vaccinium parvifolium Smith USA: California 3 miles e. of Ft. Bragg J. T. Howell 3057 1927-8-25
A: 00363282 Xylococcus bicolor Nuttall USA: California Several miles south and east of Dulzura Ranc... J. T. Howell 2964 1927-8-7
Fabaceae GH: 02343343 Trifolium longipes elmeri (Greene) J. M. Gillett USA: California [data not captured] J. T. Howell 13592 1927-7-27
Fagaceae GH: 00344021 Quercus agrifolia Née USA: California 12 miles s. of Warner's Hot Springs, San Die... J. T. Howell 3264 1927-11-27
GH: 00344021 Quercus agrifolia oxyadenia J. T. Howell USA: California 12 miles s. of Warner's Hot Springs, San Die... J. T. Howell 3264 1927-11-27
A: 00344681 Quercus dumosa Nuttall USA: California Aliso Canyon, s. Punete Hills J. T. Howell 3168 1927-10-23
A: 00344682 Quercus dumosa Nuttall USA: California Near Dulzura Ranch onroad to Campo J. T. Howell 2963 1927-8-7
GH: 00344815 Quercus durata Jepson USA: California Canyon of Pope Creek below Walter's Springs J. T. Howell 3045 1927-8-24
A: 00343008 Quercus kelloggii Newberry USA: California Hills onn. side of Chiles Valley J. T. Howell 3044 1927-8-23
A: 00343744 Quercus wislizenii frutescens Engelmann USA: California Top of control on road to Hemet, Mt. San Jac... J. T. Howell 2938 1927-8-2
Garryaceae A: 00401945 Garrya veatchii Kellogg USA: California old road to Hesperia near Cajon Pass, Mojave... J. T. Howell 2488 1927-6-11
Gentianaceae GH: 00402415 Eustoma exaltatum (Linnaeus) Grisebach USA: California Santa Ana Canyon J. T. Howell 3115 1927-9-24
Hydrophyllaceae A: 00402876 Eriodictyon tomentosum Bentham USA: California 12 miles from Bradley on road to Jolon, Sant... J. T. Howell 3008 1927-8-17
GH: 00401056 Phacelia ramosissima Douglas ex Lehmann USA: California Southern Puente Hills, Santa Ana Canyon J. T. Howell 2417 1927-6-3
GH: 00401057 Phacelia ramosissima Douglas ex Lehmann USA: California Johnson Grade above Cactus Flat, desert side... J. T. Howell 2716 1927-7-9
GH: 00401058 Phacelia ramosissima Douglas ex Lehmann USA: California In an arroyo one mile north of Laguna Beach J. T. Howell 2790 1927-7-17
GH: 00401059 Phacelia ramosissima Douglas ex Lehmann USA: California Claymine Cañon, West of Sierra Peak, Santa ... J. T. Howell 2825 1927-7-22
GH: 00401060 Phacelia ramosissima Douglas ex Lehmann USA: California near Banning on road to Strawberry Valley, M... J. T. Howell 2906 1927-8-2
Lamiaceae GH: 00400377 Lepechinia cardiophylla Epling USA: California Claymine Canyon n. Santa Ana Mts. J. T. Howell 2606 1927-6-26
A: 00401606 Salazaria mexicana Torrey USA: California Between summit of Cajon Pass and Hesperia, M... J. T. Howell 2495 1927-6-11
A: 00402392 Trichostema lanatum Bentham USA: California Claymine Canyon, n. Santa Ana Mts. J. T. Howell 2596 1927-6-26
Loasaceae A: 00424433 Petalonyx thurberi A. Gray USA: California Between Morongo Valley and Warren's Well J. T. Howell 2896 1927-8-1
Loranthaceae GH: 00355034 Phoradendron californicum Nuttall USA: California Borrego Valley, Colorado Desert J. T. Howell 3239 1927-11-26
Papaveraceae A: 00381576 Romneya coulteri Harvey USA: California Claymine Cañon, Santa Ana Mts. J. T. Howell 2833 1927-7-22
Pinaceae A: 00355355 Pseudotsuga douglasii (Sabine ex D. Don) Carrière USA: California 1 1/2 miles se. of Christine P. O. J. T. Howell 3054 1927-8-25
A: 00355355 Pseudotsuga menziesii (Mirbel) Franco USA: California 1 1/2 miles se. of Christine P. O. J. T. Howell 3054 1927-8-25
Polemoniaceae GH: 00385094 Eriastrum densifolium sanctorum (Milliken) H. Mason USA: California Santa Ana Canyon J. T. Howell 2985 1927-8-13
Polygonaceae GH: 00369982 Eriogonum cinereum Bentham USA: California Pt. Mugu J. T. Howell 3137 1927-10-8
GH: 00364638 Eriogonum wrightii nodosum (Small) Reveal USA: California San Felipe Wash between Borrego Valley and Y... J. T. Howell 3245 1927-11-26
Rhamnaceae A: 00349890 Ceanothus divaricatus Nuttall ex Torrey & A. Gray USA: California San Bernardino Mountains: below "Inspiration... J. T. Howell 2769 1927-7-10
A: 00349890 Ceanothus oliganthus Nuttall USA: California San Bernardino Mountains: below "Inspiration... J. T. Howell 2769 1927-7-10
GH: 00425406 Ceanothus thyrsiflorus Eschscholtz USA: California Road between Monterey and Carmel J. T. Howell 3021 1927-8-18
A: 00425492 Ceanothus tomentosus olivaceus Jepson USA: California Head of Claymine Cañon just to west of Sier... J. T. Howell 2608 1927-6-26
A: 00378212 Rhamnus crocea Nuttall ex Torrey & A. Gray USA: California Santa Inez Valley near Buellton J. T. Howell 2995 1927-8-16
Rosaceae A: 00345400 Adenostoma sparsifolium Torrey USA: California North of Campo between Campo and Buckman Spr... J. T. Howell 2978 1927-8-7
GH: 00345497 Cercocarpus minutiflorus Abrams USA: California Along road between Cottonwood Creek and Potr... J. T. Howell 2971 1927-8-7
GH: 00345497 Cercocarpus montanus minutiflorus (Abrams) F. L. Martin USA: California Along road between Cottonwood Creek and Potr... J. T. Howell 2971 1927-8-7
Scrophulariaceae A: 00367192 Diplacus puniceus Nuttall USA: California north slope in Rose Cañon, east of La Jolla J. T. Howell 2954 1927-8-6
A: 00367192 Mimulus aurantiacus puniceus (Nuttall) D. M. Thompson USA: California north slope in Rose Cañon, east of La Jolla J. T. Howell 2954 1927-8-6
Simmondsiaceae A: 00376079 Simmondsia californica Nuttall USA: California Cottonwood Creek Valley on road between Dulz... J. T. Howell 2968 1927-8-7
A: 00376079 Simmondsia chinensis (Link) C. K. Schneider USA: California Cottonwood Creek Valley on road between Dulz... J. T. Howell 2968 1927-8-7
Staphyleaceae A: 00347564 Staphylea bolanderi A. Gray USA: California Near the McCloud River on creek just south o... J. T. Howell 2314 1927-4-7
