| collinsia sparsiflora var. sparsiflora | | USA: California, Napa County, Hwy 121, ca. 3 km north of Wooden Valley Road | | 345531991 |
| collinsia sparsiflora var. sparsiflora | | USA: California, Napa County, Hwy 121, ca. 3 km north of Wooden Valley Road | | 345531989 |
| collinsia sparsiflora var. sparsiflora | | USA: California, Napa County, 3400 Wooden Valley Road | | 345531987 |