Asteraceae GH: 00009991 Madia gracilis pilosa D. D. Keck USA: California Buck Mountain J. P. Tracy 9588 1931-6-28
Betulaceae A: 00401357 Alnus rhombifolia Nuttall USA: California Trinity River Valley, at Willow Creek J. P. Tracy 9717 1931-10-11
Caryophyllaceae GH: 01743040 Cerastium arvense maximum (Hollick & Britton) Ugborogho USA: California Gasquet J. P. Tracy 9372 1931-5-10
Cyperaceae GH: 02395884 Carex stipata Muhlenberg ex Willdenow USA: California [data not captured] J. P. Tracy 9422 1931-5-17
Ditrichaceae FH: 00849886 Pleuridium acuminatum Lindberg USA: California [data not captured] J. P. Tracy 1931-3-26
Dysphaniaceae GH: 01784485 Dysphania carinata (R. Brown) Mosyakin & Clemants USA: California [data not captured] J. P. Tracy 9729 1931-10-12
Melampsoraceae FH: 00956947 Pucciniastrum pustulatum Dietel USA: California On lower slopes, Buck Mountain J. P. Tracy 9590 1931-6-28
Plagiotheciaceae FH: 00849235 Plagiothecium laetum Schimper USA: California [data not captured] J. P. Tracy 9296 1931-3-26
Pucciniaceae FH: 01006024 Puccinia absinthii de Candolle USA: California Van Duzen River near Alton J. P. Tracy 9587 1931-6-20
Salicaceae GH: 00383038 Salix hookeriana Barratt USA: California Sand dunes, near Samoa, on Humboldt Bay J. P. Tracy 9330 1931-4-4
GH: 00383082 Salix hookeriana Barratt USA: California Near Samoa J. P. Tracy 9622 1931-8-23
GH: 00383093 Salix hookeriana Barratt USA: California Sand dunes, near Samoa J. P. Tracy 9616 1931-8-23
GH: 00383094 Salix hookeriana Barratt USA: California Sand dunes, near Samoa J. P. Tracy 9329 1931-4-4
GH: 00383641 Salix lasiolepis Bentham USA: California Redwood Creek, at Berry's J. P. Tracy 9328 1931-3-31
GH: 00383642 Salix lasiolepis Bentham USA: California Redwood Creek, at Berry's J. P. Tracy 9696 1931-9-26
GH: 00383694 Salix lasiolepis Bentham USA: California Redwood Creek, at Berry's J. P. Tracy 9695 1931-9-26
GH: 00383722 Salix lasiolepis Bentham USA: California Redwood Creek, at Berry's J. P. Tracy 9327 1931-3-31
A: 00383742 Salix lasiolepis Bentham USA: California Redwood Creek, at Berry's J. P. Tracy 9327 1931-3-31
GH: 00384233 Salix melanopsis Nuttall USA: California Trinity River Valley, at Willow Creek J. P. Tracy 9646 1931-9-7
GH: 00384260 Salix melanopsis Nuttall USA: California Trinity River Valley, at Willow Creek J. P. Tracy 9647 1931-9-7
GH: 00384261 Salix melanopsis Nuttall USA: California Van Duzen River, Alton J. P. Tracy 9582 1931-6-14
GH: 00384679 Salix sitchensis C. A. Sanson ex Bongard USA: California Alton, Van Duzen River J. P. Tracy 9683 1931-9-19