Napa County Flora

Genera Beginning with the Letter H

 Hedera

Hedypnois

Helenium

Helianthella

Helianthemum

Helianthus

Heliotropium

Hemizonia

Heracleum

Herniaria

Hesperevax

Heterocodon

Heterotheca

Hieracium

Hirschfeldia

Holocarpha

Holozonia

Hydrocotyle

Hypochaeris