Amaranthaceae GH: 01928992 Amaranthus deflexus Linnaeus USA: California San Diego: [no additional data] M. F. Spencer 2042 1922-7
Anacardiaceae GH: 00347352 Rhus trilobata Nuttall USA: California Round Valley, San Jacinto Mt. M. F. Spencer 2293 1922-7-16
GH: 00347353 Rhus trilobata Nuttall USA: California Descanso M. F. Spencer 2293 1922-5
GH: 00347352 Rhus trilobata quinata Jepson USA: California Round Valley, San Jacinto Mt. M. F. Spencer 2293 1922-7-16
GH: 00347353 Rhus trilobata quinata Jepson USA: California Descanso M. F. Spencer 2293 1922-5
Asteraceae A: 00414213 Ambrosia dumosa (A. Gray) W. W. Payne USA: California In arenosis prope Barstow, Mohave Desert M. F. Spencer 1966 1922-5-3
A: 00414223 Ambrosia dumosa (A. Gray) W. W. Payne USA: California Chino Canyon prope, Palm Springs, Colorado D... M. F. Spencer 1963 1922-4-13
GH: 00414250 Ambrosia eriocentra (A. Gray) W. W. Payne USA: California Chino Canyon propr. Palm Springs, Colorado D... M. F. Spencer 1963 1922-4-13
GH: 00414251 Ambrosia eriocentra (A. Gray) W. W. Payne USA: California Palm Springs, Colorado Desert M. F. Spencer 1964 1922-4-8
GH: 00414252 Ambrosia eriocentra (A. Gray) W. W. Payne USA: California In arenosis propr. Barstow, Mohave Desert M. F. Spencer 1966 1922-5-3
GH: 02142092 Calycoseris parryi A. Gray USA: California [data not captured] M. F. Spencer 1956 1922
A: 00414393 Encelia farinosa A. Gray ex Torrey USA: California Palm Springs, Colo. Desert M. F. Spencer 366 1922-4-2
A: 00414213 Franseria dumosa A. Gray USA: California In arenosis prope Barstow, Mohave Desert M. F. Spencer 1966 1922-5-3
A: 00414223 Franseria dumosa A. Gray USA: California Chino Canyon prope, Palm Springs, Colorado D... M. F. Spencer 1963 1922-4-13
GH: 00414250 Franseria dumosa A. Gray USA: California Chino Canyon propr. Palm Springs, Colorado D... M. F. Spencer 1963 1922-4-13
GH: 00414251 Franseria dumosa A. Gray USA: California Palm Springs, Colorado Desert M. F. Spencer 1964 1922-4-8
GH: 00414252 Franseria dumosa A. Gray USA: California In arenosis propr. Barstow, Mohave Desert M. F. Spencer 1966 1922-5-3
GH: 00417913 Hazardia detonsa (Greene) Greene USA: California Santa Rosa Island M. F. Spencer 1994 1922-6
GH: 00427233 Hulsea vestita callicarpha (H. M. Hall) Wilken USA: California In silvis apricis, Idyllwild, San Jacinto Mt... M. F. Spencer 2122 1922-6-15
GH: 00427676 Peucephyllum schottii A. Gray USA: California In arenensis, Painted Canyon, pr. Mecca, Col... M. F. Spencer 1927 1922-3-27
Betulaceae GH: 00401528 Alnus rhombifolia Nuttall USA: California Palm Springs, Colorado Desert M. F. Spencer 2140 1922-4-6
Boraginaceae GH: 00424828 Amsinckia ctenocarpa Suksdorf USA: California Barstow, Mohave Desert M. F. Spencer 2064 1922-4-28
GH: 00424828 Amsinckia sp. USA: California Barstow, Mohave Desert M. F. Spencer 2064 1922-4-28
GH: 01957011 Amsinckia tessellata A. Gray USA: California Barstow, Mohave Desert M. F. Spencer 2064a 1922-4-30
GH: 00424889 Cryptantha decipiens (M. E. Jones) A. Heller USA: California prope Palm Springs, Colorado Desert M. F. Spencer 2072 1922-4-4
GH: 00420040 Cryptantha holoptera (A. Gray) J. F. Macbride USA: California Palm Springs: Colorado Desert M. F. Spencer 2066B 1922-4-8
GH: 00420041 Cryptantha holoptera (A. Gray) J. F. Macbride USA: California Palm Springs: Colorado Desert M. F. Spencer 2070 1922-4-7
GH: 00424997 Cryptantha sp. USA: California Pr. Barstow, Mohave desert M. F. Spencer 2081 1922-4-30
GH: 00420041 Johnstonella holoptera (A. Gray) Hasenstab & M.G. Simpson USA: California Palm Springs: Colorado Desert M. F. Spencer 2070 1922-4-7
GH: 00420040 Johnstonella holoptera (A. Gray) Hasenstab & M.G. Simpson USA: California Palm Springs: Colorado Desert M. F. Spencer 2066B 1922-4-8
Caryophyllaceae GH: 01740784 Achyronychia cooperi Torrey & A. Gray USA: California Palm Springs, Colorado Desert M. F. Spencer 1436 1922-4-1
GH: 00376618 Loeflingia squarrosa Nuttall ex Torrey & A. Gray USA: California Colorado Desert M. F. Spencer 2154 1922-3-26
Chenopodiaceae GH: 00376250 Allenrolfea occidentalis (S. Watson) Kuntze USA: California pr. Mecca, Colorado Desert M. F. Spencer 2144 1922-3-26
GH: 00376253 Allenrolfea occidentalis (S. Watson) Kuntze USA: California pr. Mecca, Colorado Desert M. F. Spencer 2144 1922-3-26
GH: 00257678 Atriplex Linnaeus USA: California In arenosis prope Barstow. Mohave Desert [In... M. F. Spencer 2143 1922-4-30
A: 00376337 Atriplex confertifolia (Torrey & Fremont) Watson USA: California In arenis prope Barstow, Mohave Desert M. F. Spencer 2142 1922-4-20
GH: 00376349 Atriplex confertifolia (Torrey & Fremont) Watson USA: California propr Barstow, Mohave Desert M. F. Spencer 2142 1922-4-20
GH: 02003650 Atriplex elegans fasciculata M. E. Jones USA: California [data not captured] M. F. Spencer 2141 1922-4-30
A: 01826098 Atriplex linearis S. Watson USA: California San Diego: [data not captured] M. F. Spencer 321 1922
GH: 00257678 Grayia spinosa (Hooker) Moquin-Tandon USA: California In arenosis prope Barstow. Mohave Desert [In... M. F. Spencer 2143 1922-4-30
GH: 00376250 Spirostachys occidentalis (S. Watson) S. Watson USA: California pr. Mecca, Colorado Desert M. F. Spencer 2144 1922-3-26
GH: 00376253 Spirostachys occidentalis (S. Watson) S. Watson USA: California pr. Mecca, Colorado Desert M. F. Spencer 2144 1922-3-26
GH: 01785669 Suaeda nigra (Rafinesque) J. F. Macbride USA: California [data not captured] M. F. Spencer 1504 1922-3-25
Cupressaceae GH: 00356198 Juniperus californica Carr USA: California Palm Springs, Colorado Desert M. F. Spencer 2155 1922-4-10
A: 00356231 Juniperus californica Carr USA: California Palm Springs, Colorado Desert M. F. Spencer 2156 1922-4-3
A: 00356232 Juniperus californica Carr USA: California Palm Springs, Colorado Desert M. F. Spencer 2155 1922-4-10
Ericaceae GH: 00362051 Arctostaphylos pringlei drupacea Parry USA: California In dumetis pr. Idyllwild, San Jacinto Mt. M. F. Spencer 1980 1922-6-18
A: 00362339 Arctostaphylos tomentosa Lindley USA: California Idyllwild, San Jacinto Mt. M. F. Spencer 1980 1922-6-18
A: 00362626 Comarostaphylis diversifolia (Parry) Greene USA: California San Diego: In Canyon prope M. F. Spencer 1971 1922-5
GH: 00362656 Comarostaphylis diversifolia (Parry) Greene USA: California San Diego: In Canyon prope M. F. Spencer 1971 1922-5
Fabaceae GH: 01992963 Acmispon americanus (Nuttall) Rydberg USA: California [Illegible] Palomar Mt. M. F. Spencer 2008 1922-9-16
GH: 02064411 Astragalus aridus A. Gray USA: California Mecca, Colorado Desert M. F. Spencer 1655 1922-3-25
GH: 02049846 Astragalus pachypus Greene USA: California Lambs Canyon prope, Banning M. F. Spencer 1771 1922-4-23
GH: 01539710 Lupinus sparsiflorus Bentham USA: California [data not captured] M. F. Spencer 2102a 1922-4-13
GH: 01539708 Lupinus sparsiflorus Bentham USA: California [data not captured] M. F. Spencer 2102a 1922-4-10
GH: 02128691 Lupinus sparsiflorus Bentham USA: California [data not captured] M. F. Spencer 2102b 1922-4-22
GH: 00369166 Parosela californica simplifolia Parish USA: California Mountain Springs grade M. F. Spencer 2160 1922-5
GH: 00369208 Parosela johnsonii (S. Watson) Vail USA: California Palm Springs: Colorado Desert M. F. Spencer 2159 1922-4-18
GH: 00369166 Psorothamnus arborescens simplifolius (Parish) Barneby USA: California Mountain Springs grade M. F. Spencer 2160 1922-5
GH: 00369208 Psorothamnus fremontii (Torrey ex A. Gray) Barneby USA: California Palm Springs: Colorado Desert M. F. Spencer 2159 1922-4-18
Fagaceae A: 00344849 Quercus engelmannii Greene USA: California Halls Landing, San Jacinto Mt, Banning M. F. Spencer 124 1922-4-13
Gentianaceae GH: 00400071 Centaurium venustum (A. Gray) B. L. Robinson USA: California San Diego: East San Diego M. F. Spencer 1970 1922-6-5
GH: 00400071 Zeltnera venusta (A. Gray) G. Mansion USA: California San Diego: East San Diego M. F. Spencer 1970 1922-6-5
Hydrophyllaceae GH: 00402827 Eriodictyon crassifolium Bentham USA: California Banning M. F. Spencer 2108 1922-4-22
A: 00402857 Eriodictyon crassifolium Bentham USA: California "Hall's grade" prope Banning M. F. Spencer 2108 1922-4-22
Krameriaceae A: 00347676 Krameria grayi Rose & Painter USA: California Palm Springs: Palm Springs, Colo. Des., Chin... M. F. Spencer 160 1922-4
A: 00347685 Krameria grayi Rose & Painter USA: California Palm Springs: Palm Springs, Colo. Des., Chin... M. F. Spencer 243 1922-4
Lamiaceae GH: 00400729 Monardella linoides A. Gray USA: California "Desert View", Laguna Mts. M. F. Spencer 960 1922-8
GH: 00400779 Pogogyne nudiuscula A. Gray USA: California East San Diego M. F. Spencer 548 1922-5-26
GH: 00403364 Salvia funerea M. E. Jones USA: California Dos Palmas Colorado Desert M. F. Spencer 1928 1922-3-30
Loasaceae GH: 00424395 Mentzelia tricuspis brevicornuta I. M. Johnston USA: California In areunosis prope Barstow, Mohave Desert M. F. Spencer 2161 1922-5-1
Loranthaceae A: 00355007 Phoradendron californicum Nuttall USA: California Mecca, Colorado Desert M. F. Spencer 2145 1922-3-26
GH: 00355039 Phoradendron californicum Nuttall USA: California Mecca, Colorado Desert M. F. Spencer 2145 1922-3-26
Malvaceae GH: 00420391 Eremalche rotundifolia (A. Gray) Greene USA: California In arenis, pr. Palm Springs, Colorado Desert M. F. Spencer 2015 1922-3-30
GH: 00420352 Hibiscus denudatus Bentham USA: California Chino Canyon, pr. Palm Springs, Colorado Des... M. F. Spencer 1652 1922-4-17
GH: 00420391 Malvastrum rotundifolium A. Gray USA: California In arenis, pr. Palm Springs, Colorado Desert M. F. Spencer 2015 1922-3-30
GH: 00385036 Sidalcea malviflora (de Candolle) A. Gray USA: California Lamb's Canyon prope Banning M. F. Spencer 2016 1922-4-25
GH: 00385036 Sidalcea malviflora sparsifolia C. L. Hitchcock USA: California Lamb's Canyon prope Banning M. F. Spencer 2016 1922-4-25
Oleaceae GH: 00401188 Fraxinus latifolia Bentham USA: California Banning M. F. Spencer 1777 1922-4-23
GH: 00401188 Fraxinus oregona Nuttall USA: California Banning M. F. Spencer 1777 1922-4-23
Onagraceae GH: 01624386 Boisduvalia densiflora (Lindley) S. Watson USA: California Palomar Mt. M. F. Spencer 2028 1922-9-14
Orchidaceae AMES: 02051448 Epipactis gigantea Douglas ex Hooker USA: California Idyllwild, San Jacinto Mt. M. F. Spencer 1978 1922-6-26
Orobanchaceae GH: 01877992 Castilleja miniata Douglas ex Hooker USA: California Idyllwild. San Jacinto Mt. M. F. Spencer 1977 1922-6-26
Plantaginaceae GH: 01803434 Plantago ovata Forsskål USA: California [data not captured] M. F. Spencer 2098 1922-4-21
Poaceae GH: 00361394 Achnatherum hymenoides (Roemer & Schultes) Barkworth USA: California Barstow, Mohave Desert M. F. Spencer 1946 1922-5-2
GH: 00361513 Achnatherum speciosum (Trinius & Ruprecht) Barkworth USA: California Palm Springs. Colorado Desert M. F. Spencer 2130 1922-4-12
GH: 00361527 Achnatherum speciosum (Trinius & Ruprecht) Barkworth USA: California Barstow, Mohave Desert M. F. Spencer 1947 1922-5-1
GH: 00341077 Aristida adscensionis Linnaeus USA: California Mecca, Colorado Desert, California. M. F. Spencer 2132 1922-3-26
GH: 00341079 Aristida adscensionis Linnaeus USA: California Barstow, Mohave Desert, California M. F. Spencer 2125 1922-5-1
GH: 00341077 Aristida bromoides Kunth USA: California Mecca, Colorado Desert, California. M. F. Spencer 2132 1922-3-26
GH: 00341079 Aristida bromoides Kunth USA: California Barstow, Mohave Desert, California M. F. Spencer 2125 1922-5-1
GH: 00341090 Aristida parishii Hitchcock USA: California Palm Springs - Colorado Desert, California M. F. Spencer 2131 1922-4-10
GH: 00341090 Aristida purpurea parishii (Hitchcock) Allred USA: California Palm Springs - Colorado Desert, California M. F. Spencer 2131 1922-4-10
GH: 00361698 Bromus berteroanus Colla USA: California Palm Springs, Colorado Desert M. F. Spencer 2129 1922-4-13
GH: 00361698 Bromus trinii É. Desvaux USA: California Palm Springs, Colorado Desert M. F. Spencer 2129 1922-4-13
GH: 00355680 Distichlis spicata stricta (Torrey) Thorne USA: California Barstow, Mohave [Mojave] Desert M. F. Spencer 1945 1922-5-1
GH: 00355680 Distichlis stricta (Torrey) Rydberg USA: California Barstow, Mohave [Mojave] Desert M. F. Spencer 1945 1922-5-1
GH: 00365285 Elymus condensatus J. Presl USA: California Brooks Camp, San Jacinto Mt. M. F. Spencer 1984 1922-6-30
GH: 00365245 Hordeum murinum Linnaeus USA: California Palm Springs, Colorado Desert M. F. Spencer 2127 1922-4-14
GH: 00365247 Hordeum murinum Linnaeus USA: California Mecca, Colorado Desert M. F. Spencer 2133 1922-3-25
GH: 00365245 Hordeum murinum leporinum (Link) Ascherson & Graebner USA: California Palm Springs, Colorado Desert M. F. Spencer 2127 1922-4-14
GH: 00365247 Hordeum murinum leporinum (Link) Ascherson & Graebner USA: California Mecca, Colorado Desert M. F. Spencer 2133 1922-3-25
GH: 00365261 Hordeum vulgare Linnaeus USA: California Mecca, Colorado Desert M. F. Spencer 1925 1922-3-26
GH: 00365285 Leymus condensatus (J. Presl) Á. Löve USA: California Brooks Camp, San Jacinto Mt. M. F. Spencer 1984 1922-6-30
GH: 00355835 Muhlenbergia microsperma (de Candolle) Kunth USA: California Mecca, Colorado Desert M. F. Spencer 2136 1922-3-30
GH: 00361394 Oryzopsis hymenoides (Roemer & Schultes) Ricker USA: California Barstow, Mohave Desert M. F. Spencer 1946 1922-5-2
GH: 00341006 Pleuraphis rigida Thurber USA: California Palm Springs, Colorado Desert, California M. F. Spencer 831 1922-4-13
GH: 00361001 Poa secunda J. Presl USA: California Palm Springs, Colorado Desert M. F. Spencer 2128 1922-4-13
GH: 00361513 Stipa speciosa Trinius & Ruprecht USA: California Palm Springs. Colorado Desert M. F. Spencer 2130 1922-4-12
GH: 00361527 Stipa speciosa Trinius & Ruprecht USA: California Barstow, Mohave Desert M. F. Spencer 1947 1922-5-1
GH: 00365356 Triticum aestivum Linnaeus USA: California Mecca, Colorado Desert M. F. Spencer 2135 1922-3-26
GH: 00361363 Vulpia octoflora (Walter) Rydberg USA: California Palm Springs, Colorado Desert M. F. Spencer 2126 1922-4-15
GH: 00361370 Vulpia octoflora hirtella (Piper) Henrard USA: California Palm Springs, Colorado Desert M. F. Spencer 2134 1922-3-29
Polemoniaceae GH: 01104024 Aliciella latifolia (S. Watson) J. M. Porter USA: California Colorado Desert [illegible], Mecca M. F. Spencer 1571 1922-3-24
Polygonaceae GH: 01717529 Chorizanthe corrugata (Torrey) Torrey & A. Gray USA: California Colorado Desert M. F. Spencer 1838 1922-3-30
GH: 01717790 Chorizanthe rigida (Torrey) Torrey & A. Gray USA: California Barstow, Mohave Desert M. F. Spencer 2146b. 1922-5-4
GH: 01717792 Chorizanthe rigida (Torrey) Torrey & A. Gray USA: California Dos Palmas. Colorado Desert M. F. Spencer 2146 1922-3-30
GH: 01717793 Chorizanthe rigida (Torrey) Torrey & A. Gray USA: California Dos Palmas. Colorado Desert M. F. Spencer 2147 1922-3-30
GH: 01966310 Eriogonum reniforme Torr. & Frém. USA: California [data not captured] M. F. Spencer 2152 1922-4-25
GH: 01966950 Eriogonum thomasii Torrey USA: California [data not captured] M. F. Spencer 2148 1922-3-23
GH: 01966963 Eriogonum thomasii Torrey USA: California [data not captured] M. F. Spencer 2151 1922-3-24
GH: 01966998 Eriogonum thurberi Torrey USA: California [data not captured] M. F. Spencer 2149 1922-3-24
A: 00364615 Eriogonum wrightii membranaceum S. Stokes ex Jepson USA: California Palomar Mts. M. F. Spencer 175 1922-9-17
GH: 00364616 Eriogonum wrightii membranaceum S. Stokes ex Jepson USA: California Palomar Mts. M. F. Spencer 2027 1922-9-14
GH: 00364620 Eriogonum wrightii membranaceum S. Stokes ex Jepson USA: California Palomar Mt. M. F. Spencer 2106 1922-9-17
GH: 00364626 Eriogonum wrightii membranaceum S. Stokes ex Jepson USA: California Palomar Mt. M. F. Spencer 2029 1922-9-17
GH: 00364627 Eriogonum wrightii membranaceum S. Stokes ex Jepson USA: California Palomar Mt. M. F. Spencer 2107 1922-9-16
Rhamnaceae A: 00367861 Adolphia californica S. Watson USA: California San Diego: [no additional data] M. F. Spencer 95 1922-3-10
A: 00425327 Ceanothus spinosus Nuttall USA: California Laguna Grade M. F. Spencer 28 1922-8
GH: 00378362 Rhamnus crocea ilicifolia (Kellogg) Greene USA: California Banning M. F. Spencer 2013 1922-4-23
A: 00378478 Ziziphus parryi Torrey USA: California Snow Canyon, base of San Jacinto peak, White... M. F. Spencer 340 1922-4-22
Salicaceae A: 00382214 Populus fremontii S. Watson USA: California Palm Springs along irrigating ditch, Desert ... M. F. Spencer 81 1922-4-30
Saxifragaceae GH: 00380388 Ribes indecorum Eastwood USA: California Idyllwild, San Jacinto Mt. M. F. Spencer 1887 1922-7-1
GH: 00380388 Ribes malvaceum viridifolium Abrams USA: California Idyllwild, San Jacinto Mt. M. F. Spencer 1887 1922-7-1
Scrophulariaceae GH: 00367273 Diplacus mohavensis (Lemmon) G. L. Nesom USA: California Barstow M. F. Spencer 1939 1922-4-30
GH: 00367273 Mimulus mohavensis Lemmon USA: California Barstow M. F. Spencer 1939 1922-4-30
Solanaceae GH: 00402532 Lycium andersonii A. Gray USA: California Barstow M. F. Spencer 2047 1922-5-2
A: 00402559 Lycium andersonii A. Gray USA: California Barstow M. F. Spencer 2047 1922-5-2
A: 00402588 Lycium brevipes Bentham USA: California Dos Palmas, Colo. Des. M. F. Spencer 78 1922-3-30
A: 00402654 Lycium torreyi A. Gray USA: California In saxosis, Snow Creek, prope Palm Springs, ... M. F. Spencer 2095 1922-4-10
A: 00402655 Lycium torreyi A. Gray USA: California near Bank of Mohave river, Barstow M. F. Spencer 76 1922-2-5
GH: 00402658 Lycium torreyi A. Gray USA: California Snow Creek. Palm Springs M. F. Spencer 2095 1922-4-10
