Category: Dicots
Family Name: Cistaceae

Helianthemum - [maps | photos]

• Helianthemum bicknellii Fernald (TN Endangered -Possibly Extirpated)
  Common Name: hoary frostweed

• Helianthemum canadense (L.) Michx. (TN Endangered -Possibly Extirpated)
  Common Name: longbranch frostweed

• Helianthemum propinquum E.P. Bicknell (TN Endangered)
  Common Name: low frostweed

Lechea - [maps | photos]

• Lechea minor L.
  Common Name: thymeleaf pinweed

• Lechea mucronata Raf.
  Common Name: hairy pinweed
  Synonyms:
  

         • Lechea villosa Ell.

• Lechea pulchella Raf. (TN Endangered)
  Common Name: Leggett's pinweed
  Synonyms:
  

         • Lechea leggettii Britton & Hollick

• Lechea racemulosa Michx.
  Common Name: Illinois pinweed

• Lechea tenuifolia Michx.
  Common Name: narrowleaf pinweed