| Famille | Espèce végétale |
| ANACARDIACEAE | Rhus sp. |
| ANACARDIACEAE | Toxicodendron sp. |
| APIACEAE | Conium maculatum Linnaeus |
| APIACEAE | Heracleum lanatum Michaux |
| ASTERACEAE | Achillea millefolium Linnaeus |
| CORNACEAE | Cornus glabrata Bentham |
| CORNACEAE | Cornus nuttallii Hortulanorum ex Koehne |
| ERICACEAE | Arctostaphylos sp. |
| FAGACEAE | Quercus garryana Douglas |
| HYDROPHYLLACEAE | Phacelia sp. |
| LILIACEAE | Calochortus sp. |
| MIMOSACEAE | Prosopis sp. |
| PINACEAE | Pinus jeffreyi Balfour |
| POLYGONACEAE | Eriogonum sp. |
| RHAMNACEAE | Ceanothus cordulatus Kellogg |
| RHAMNACEAE | Ceanothus crassifolius Torrey |
| RHAMNACEAE | Ceanothus incanus Torrey & A. Gray |
| RHAMNACEAE | Ceanothus integerrimus var. parviflorus S. Watson |
| RHAMNACEAE | Ceanothus velutinus Douglas |
| RHAMNACEAE | Frangula californica subsp. tomentella (Bentham) Kartesz & Gandhi |
| RHAMNACEAE | Frangus californica (Eschscholtz) A. Gray |
| ROSACEAE | Adenostoma fasciculatum Hooker & Arnott |
| ROSACEAE | Cercocarpus betuloides Nuttall |
| ROSACEAE | Crataegus sp. |
| ROSACEAE | Holodiscus discolor (Pursh) Maximowicz |
| ROSACEAE | Physocarpus sp. |
| ROSACEAE | Prunus demissa (Nuttall) D. Dietrich |
| ROSACEAE | Prunus emarginata Walpers |
| RUTACEAE | Ptelea crenulata Greene |