| Scientific Name | Author | English Name |
|---|---|---|
| Desmarestia aculeata | (Linnaeus) J.V. Lamouroux | Wiry acid weed |
| Desmarestia anceps | Montagne, 1842 | Largefoot Desmarestia |
| Desmarestia chordalis | Hooker & Harvey, 1845 | Striped Desmarestia |
| Desmarestia confervoides | (Bory de Saint-Vincent) Ramírez & Peters, 1993 | Filamentous Desmarestia |
| Desmarestia distans | (C. Agardh) J. Agardh | |
| Desmarestia firma | (C. Agardh) Skottsberg | |
| Desmarestia latifrons | Kützing | |
| Desmarestia ligulata | (Lightfoot) J.V. Lamouroux | Broad acid weed |
| Desmarestia ligulata var. ligulata | (C. Agardh) J. Agardh | |
| Desmarestia menziesii | J. Agardh | |
| Desmarestia munda | Setchell & N.L. Gardner | |
| Desmarestia viridis | (O.F. Müller) J.V. Lamouroux | Stringy acid weed |
| Himantothallus grandifolius | (A. Gepp & E.S. Gepp) Zinova, 1959 | Large frond tang |