| Corydalis pseudomicrantha Fedde, 1913 |
| Dendromecon Benth., 1835 |
| Dendromecon rigida Benth., 1835 |
| Dicentra Bernh., 1833 |
| Dicentra chrysantha (Hook. & Arn.) Walp., 1842 |
| Echtrus Lour., 1790 |
| Echtrus mexicanus (L.) Nieuwl., 1914 |
| Echtrus trivialis Lour., 1790 |
| Ehrendorferia Fukuhara & Lidén, 1997 |
| Ehrendorferia chrysantha (Hook. & Arn.) Rylander, 1997 |
| Eschscholtzieae Baill., 1871 |
| Eschscholzia Cham., 1820 |
| Eschscholzia californica Cham., 1820 |
| Eschscholzia californica subsp. mexicana (Greene) C. Clark, 1978 |
| Eschscholzia elegans Greene, 1885 |
| Eschscholzia frutescens (Greene) J.T. Howell, 1942 |
| Eschscholzia mexicana Greene, 1885 |
| Eschscholzia minutiflora S. Watson, 1876 |
| Eschscholzia palmeri Rose, 1890 |
| Eschscholzia parishii Greene, 1885 |