Asteraceae GH: 02021718 Cirsium remotifolium (Hooker) de Candolle USA: California [data not captured] J. P. Tracy 15997 1938-7-4
GH: 02021715 Cirsium remotifolium (Hooker) de Candolle USA: California [data not captured] J. P. Tracy 16025 1938-7-6
GH: 00387172 Corethrogyne californica de Candolle USA: California "Bucksport" J. P. Tracy 16059 1938-7-15
GH: 00387172 Corethrogyne filaginifolia californica (de Candolle) Saroyan USA: California "Bucksport" J. P. Tracy 16059 1938-7-15
GH: 00403731 Lagophylla minor D. D. Keck USA: California Howell Mountain. On hills at head of Moore's... J. P. Tracy 15825 1938-6-5
Betulaceae A: 00401489 Corylus cornuta californica (A. de Candolle) A. E. Murray USA: California Big Lagoon Prairie J. P. Tracy 16027 1938-7-6
A: 00401489 Corylus cornuta californica (A. de Candolle) Sharp USA: California Big Lagoon Prairie J. P. Tracy 16027 1938-7-6
Boraginaceae GH: 01956751 Amsinckia menziesii A. Nelson & J. F. Macbride USA: California Redwood Valley; 6 miles north of Calpella J. P. Tracy 15709 1938-4-16
GH: 00420018 Plagiobothrys diffusus (Greene) I. M. Johnstone USA: California Cape Mendocino, south of point of the Cape J. P. Tracy 15963 1938-6-17
GH: 00403955 Plagiobothrys reticulatus rossianorum I. M. Johnston USA: California Willits J. P. Tracy 15747B 1938-5-31
GH: 00403956 Plagiobothrys reticulatus rossianorum I. M. Johnston USA: California Willits J. P. Tracy 15747A 1938-5-31
GH: 00403959 Plagiobothrys reticulatus rossianorum I. M. Johnston USA: California Top ridge 3 miles West of Harris J. P. Tracy 15890 1938-6-9
GH: 00403965 Plagiobothrys reticulatus rossianorum I. M. Johnston USA: California Round Valley J. P. Tracy 15778A 1938-6-2
GH: 00403966 Plagiobothrys reticulatus rossianorum I. M. Johnston USA: California Willits J. P. Tracy 15747 1938-5-31
GH: 00403967 Plagiobothrys reticulatus rossianorum I. M. Johnston USA: California Round Valley J. P. Tracy 15760 1938-6-2
GH: 00403968 Plagiobothrys reticulatus rossianorum I. M. Johnston USA: California Round Valley J. P. Tracy 15777 1938-6-2
GH: 00403969 Plagiobothrys reticulatus rossianorum I. M. Johnston USA: California Round Valley J. P. Tracy 15789 1/2 1938-6-2
GH: 00403970 Plagiobothrys reticulatus rossianorum I. M. Johnston USA: California Round Valley J. P. Tracy 15760 1/2 1938-6-2
GH: 00403971 Plagiobothrys reticulatus rossianorum I. M. Johnston USA: California Long Valley, 4 miles S. of Laytonville J. P. Tracy 15743 1938-5-31
Brassicaceae GH: 00378999 Cardamine californica integrifolia (Nuttall) Rollins USA: California Blue Slide, on Van Duzen River J. P. Tracy 15739 1938-5-8
GH: 01548495 Lepidium didymum Linnaeus USA: California [data not captured] J. P. Tracy 16121 1938-8-20
Cyperaceae GH: 02395558 Carex cusickii Mackenzie ex Piper & Beattie USA: California [data not captured] J. P. Tracy 16023 1938-7-6
GH: 02371696 Carex densa (L. H. Bailey) L. H. Bailey USA: California [data not captured] J. P. Tracy 15836 1938-6-5
GH: 02371695 Carex densa (L. H. Bailey) L. H. Bailey USA: California [data not captured] J. P. Tracy 15876 1938-6-9
GH: 02371694 Carex densa (L. H. Bailey) L. H. Bailey USA: California [data not captured] J. P. Tracy 15877 1938-6-9
GH: 01774926 Carex exsiccata L. H. Bailey USA: California [data not captured] J. P. Tracy 16170 1938-9-25
GH: 02467769 Scirpus diffusus Schuyler USA: California Iaqua J. P. Tracy 15996 1938-7-4
Erysiphaceae FH: 01122079 Erysiphe buhrii U. Braun USA: California Trinity Summit J. P. Tracy 1938-8-8
FH: 01122079 Erysiphe polygoni de Candolle USA: California Trinity Summit J. P. Tracy 1938-8-8
FH: 01085070 Phyllactinia corylea (Persoon) P. Karsten USA: California Mouth of Little River J. P. Tracy 16129 1938-8-21
FH: 01085070 Phyllactinia ribis (Jaczewski) Z. Y. Zhao USA: California Mouth of Little River J. P. Tracy 16129 1938-8-21
Fabaceae GH: 02130105 Melilotus albus Medikus USA: California [data not captured] J. P. Tracy 16081 1938-7-15
Fagaceae A: 00344839 Quercus durata Jepson USA: California Round Valley, Foothills at south side of val... J. P. Tracy 15799 1938-6-2
GH: 00344949 Quercus garryana Douglas ex Hooker USA: California Grouse Mountain; at "Cold Springs" J. P. Tracy 15915 1938-6-13
Gentianaceae GH: 00384875 Centaurium erythraea Rafn USA: California Fickle Hill, 4 miles Southeast of Arcata J. P. Tracy 16085 1938-7-18
Hippuridaceae GH: 02000424 Hippuris vulgaris Linnaeus USA: California [data not captured] J. P. Tracy 16130 1938-8-21
Hydrangeaceae A: 00401645 Philadelphus lewisii Pursh USA: California Dobbyn Creek J. P. Tracy 15872 1938-6-9
Lamiaceae GH: 00402244 Stachys mexicana Bentham USA: California Vicinity of Carlotta J. P. Tracy 15937 1938-6-15
GH: 00402253 Stachys mexicana Bentham USA: California Cape Mendocino J. P. Tracy 15954 1938-6-17
GH: 00402254 Stachys mexicana Bentham USA: California Near "Panther Gap" on road between Bull Cree... J. P. Tracy 15969 1938-6-17
GH: 00402346 Stachys rigida quercetorum (A. Heller) Epling ex Munz USA: California Fortuna J. P. Tracy 15931 1938-6-15
Malvaceae GH: 00420401 Iliamna rivularis (Douglas) Greene USA: California Willow Creek Canyon, along Trinity Highway J. P. Tracy 16104 1/2 1938-8-14
GH: 00420403 Iliamna rivularis (Douglas) Greene USA: California Willow Creek Canyon, along Trinity Highway J. P. Tracy 16104 1938-8-14
GH: 00420555 Iliamna rivularis (Douglas) Greene USA: California Willow Creek Canyon, along Trinity Highway J. P. Tracy 16104 1938-8-14
GH: 00420757 Sidalcea malachroides (Hooker & Arnott) A. Gray USA: California Canyon Creek, 5 miles SE of Korbel Local J. P. Tracy 15860 1938-6-7
GH: 00420401 Sphaeralcea rivularis (Douglas ex Hooker) Torrey ex A. Gray USA: California Willow Creek Canyon, along Trinity Highway J. P. Tracy 16104 1/2 1938-8-14
GH: 00420403 Sphaeralcea rivularis (Douglas ex Hooker) Torrey ex A. Gray USA: California Willow Creek Canyon, along Trinity Highway J. P. Tracy 16104 1938-8-14
GH: 00420555 Sphaeralcea rivularis cismontana Jepson USA: California Willow Creek Canyon, along Trinity Highway J. P. Tracy 16104 1938-8-14
Onagraceae GH: 01624405 Boisduvalia densiflora (Lindley) S. Watson USA: California Carlotta, by old Strong's District School Ho... J. P. Tracy 16003 1938-7-5
GH: 01624497 Boisduvalia glabella (Nuttall) Walpers USA: California Carlotta. Open flat by old Strong's District... J. P. Tracy 16004 1938-7-5
Orobanchaceae GH: 00365648 Cordylanthus maritimus palustris (Behr) T. I. Chuang & Heckard USA: California Around Humboldt Bay, at Fields Landing J. P. Tracy 16064 1938-7-15
Plantaginaceae GH: 01804587 Synthyris reniformis (Douglas) Bentham USA: California [data not captured] J. P. Tracy 15705 1938-4-5
Polygonaceae GH: 01962034 Eriogonum vimineum Douglas ex Bentham USA: California [data not captured] J. P. Tracy 16120 1938-8-14
GH: 02360288 Polygonum californicum Meisner USA: California [data not captured] J. P. Tracy 15981 1938-7-1
Pucciniaceae FH: 00950726 Puccinia extensicola Plowright USA: California Carlotta J. P. Tracy 15935 1938-6-15
FH: 00950740 Puccinia extensicola Plowright USA: California Fortuna J. P. Tracy 15930 1938-6-15
FH: 00950741 Puccinia extensicola Plowright USA: California Fortuna J. P. Tracy 15930 1938-6-15
FH: 00949969 Puccinia sessilis J. Schröter USA: California Mad River, N. side near Lindsey Cr. J. P. Tracy 15862 1938-6-7
FH: 00941884 Uromyces minor J. Schröter USA: California Near mouth of S. Fork of Trinity River J. P. Tracy 15727 1938-5-1
FH: 00941898 Uromyces minor J. Schröter USA: California Piercy J. P. Tracy 15854 1938-6-6
FH: 00941901 Uromyces minor J. Schröter USA: California Trinity River Valley near Willow Creek J. P. Tracy 15730 1938-5-1
Rhamnaceae GH: 00349095 Ceanothus cuneatus (Hooker) Nuttall USA: California Horse Mountain J. P. Tracy 15905 1938-6-13
A: 00349187 Ceanothus cuneatus (Hooker) Nuttall USA: California Horse Mountain J. P. Tracy 15905 1938-6-13
Rubiaceae GH: 00417130 Galium divaricatum Pourret ex Lamarck USA: California Round Valley, foothills at north side of val... J. P. Tracy 15787 1938-6-2
GH: 00417130 Galium sp. USA: California Round Valley, foothills at north side of val... J. P. Tracy 15787 1938-6-2
Saxifragaceae A: 00363983 Ribes bracteosum Douglas USA: California Willow Creek Canyon, along Trinity Highway J. P. Tracy 16105 1938-8-14