| Helianthemum | Helianthemum bicknellii Fern. | hoary frostweed | ME | NH | VT | MA | CT | RI |
| Helianthemum canadense (L.) Michx. | longbranch frostweed | ME | NH | VT | MA | CT | RI | |
| Helianthemum dumosum (Bickn.) Fern. | bushy frostweed | ME | VT | MA | CT | RI | ||
| Helianthemum propinquum Bickn. | low frostweed | ME | VT | MA | CT | RI | ||
| Hudsonia | Hudsonia ericoides L. | pinebarren goldenheather | ME | NH | VT | MA | CT | RI |
| Hudsonia tomentosa Nutt. | woolly beachheather | ME | NH | VT | MA | CT | RI | |
| Lechea | Lechea intermedia Leggett ex Britt. | largepod pinweed | ME | NH | VT | MA | CT | RI |
| Lechea maritima Leggett ex B.S.P. | beach pinweed | ME | NH | VT | MA | CT | RI | |
| Lechea minor L. | thymeleaf pinweed | ME | VT | MA | CT | RI | ||
| Lechea mucronata Raf. | hairy pinweed | ME | NH | VT | MA | CT | RI | |
| Lechea pulchella Raf. var. pulchella | Leggett's pinweed | ME | VT | MA | CT | RI | ||
| Lechea tenuifolia Michx. | narrowleaf pinweed | ME | NH | VT | MA | CT | RI |
Last Update: 1/4/97
Name: Ray Phillips
Email: rbphilli@Colby.edu