Harvard University Herbaria & Libraries

Ericaceae
GH: 00363239 Vaccinium ovatum Pursh USA: California Near Fruitland J. P. Tracy 18257 1948-10-24
Erysiphaceae
FH: 01122135 Phyllactinia corylea (Persoon) P. Karsten USA: California Smith River, near the Siskiyou Fork J. P. Tracy 18253 1948-10-11
FH: 01122135 Phyllactinia guttata (Wallroth) Léveillé USA: California Smith River, near the Siskiyou Fork J. P. Tracy 18253 1948-10-11
Melampsoraceae
FH: 00806925 Cronartium ribicola A. Dietrich USA: California Happy Camp Mountain, six miles northeast of ... J. P. Tracy 1811 1948-8-15
FH: 00806973 Cronartium ribicola A. Dietrich USA: California Happy Camp Mountain, six miles northeast of ... J. P. Tracy 18111 1948-8-15
Pucciniaceae
FH: 00873025 Cumminsiella sanguinea (Peck) Arthur USA: California Ridge east of Grove's Prairie, Trinity Summi... J. P. Tracy 18127 1948-8-15
FH: 00981930 Puccinia atrofusca (Dudley & C. H. Thompson) Holway USA: California Five miles east of Carlotta J. P. Tracy 925 1948-8-22
FH: 00950231 Puccinia effusa Dietel & Holway USA: California on ridge miles east of Grove's Prairie, Tri... J. P. Tracy 18183 1948-9-5
FH: 00783425 Uromyces polygoni (Rabenhorst) Fuckel USA: Oregon Jump-off-Joe Creek, ten miles north of Grant... J. P. Tracy 18240 1948-10-8
Rosaceae
GH: 00346850 Crataegus douglasii Lindley USA: California Trinity Summit. Box Camp Meadow. J. P. Tracy 18205 1948-9-12
Saxifragaceae
GH: 00380455 Ribes menziesii Pursh USA: California Trinidad J. P. Tracy 17953 1948-3-6
GH: 00380456 Ribes menziesii Pursh USA: California Trinidad J. P. Tracy 17954 1948-3-6