BioStor
 | Skizze der vegetationverhältnisse von Santiago in Chile F Meigen (1893) Botanische Jahrbucher fur Systematik, Pflanzengeschichte und Pflanzengeographie 17: 199-294 |
 | Notes on Aphididae collected in the vicinity of Stanford University Davidson (1909) Journal of Economic Entomology 2: 299-305 |
 | Aphididae of southern California. VIII. Plant lice affecting the citrus trees Essig (1911) Pomona College Journal of Entomology and Zoology 3: 586-603 |
 | Plant-louse notes from California Davidson (1914) Journal of Economic Entomology 7: 127-136 |
 | New Aphididae from California Swain (1918) Transactions of the American Entomological Society 44: 1-23 |
 | Studies in the Boraginaceae---XI. (1) The species of Tournefortia and Esserschmidtia in the Old World. (2) Notes on Brand's treatment of Cryptantha (3) New or otherwise noteworthy species I M Johnston (1935) Journal of the Arnold Arboretum 16: 145-205 |
 | Studies in the Boraginaceae, XXV. A revaluation of some genera of the Lithospermae I M Johnston (1953) Journal of the Arnold Arboretum 34: 258-299 |
 | Studies in the Boraginaceae, XXVII. Some general observation on the Lithospermae I M Johnston (1954) Journal of the Arnold Arboretum 35: 158-166 |
 | A flora of the San Bruno Mountains San Mateo County, California Elizabeth Mcclintock and Neil Fahy (1968) Proceedings of the California Academy of Sciences 32: 587-677 |
 | The Bases of Angiosperm Phylogeny: Cytology Peter H Raven (1975) Annals of the Missouri Botanical Garden 62: 724-764 |
 | BORAGINACEAE OF THE SOUTHWESTERN USA L C Higgins (1979) Great Basin Naturalist 39: 293-350 |
 | POISONOUS PLANTS OF UTAH USA J D Brotherson, L A Szyska and W E Evenson (1980) Great Basin Naturalist 40: 229-253 |
 | New species of Osmia (Hymenoptera: Megachilidae) from the Southwestern United States R W Rust and G E Bohart (1986) Entomological News 97: 147-155 |
 | Aphid parasitoids (Hymenoptera: Braconidae: Aphidiinae) of Northwest USA (2000) Proceedings of the Entomological Society of Washington 102: 688-740 |