| Specie | GeographicInformation | Number Accession |
| Outgroup | ||
| G. curtissiae J. Agardh | Rio Grande do Norte, Diogo Lopes, Brazil | KP210166 |
| G. isabellana Gurgel, Fredericq & J. N. Norris | Sao Paulo, Ubatuba, Brazil | KP210185 |
| Ingroup | ||
| Gp. andersonii (Grunow) E. Y. Dawson | California, Bird Rock, Pacific Grove, USA | KM254615 |
| Gp. andersonii | California, Santa Cruz, USA | KM254410 |
| Gp. andersonii | British Columbia, Canada | FJ499624 |
| Gp. andersonii | British Columbia, Canada | FJ499625 |
| Gp. chorda (Holmes) Ohmi | Misaki, Japan | HQ322072 |
| Gp. chouae Zhang & B. M. Xia | Guandong, China | JQ407613 |
| Gp. funicularis Iyer, Bolton & Coyne | Senegal | KP210200 |
| Gp. funicularis | Senegal | KP210201 |
| Gp. heteroclada J.-F. Zhang & B.-M. Xia | Prieto Diaz, Sorsogon, Phillippines | KT779912 |
| Gp. lemaneiformis (Bory de Saint-Vincent) E. Y. Dawson, Acleto & Foldvik | Guangdong, China | JQ407623 |
| Gp. lemaneiformis | Guangdong, China | JQ407630 |
| Gp. lemaneiformis | Ecuador | JQ843342 |
| Gp. lemaneiformis | Hawaii | HQ422689 |
| Gp. longissima (S. G. Gmelin) Steentoft, L. M. Irvine & Farnham | United Kingdom | JQ843344 |
| Gp. longissima | Lake Ganzirri, Messina, Italy | KF714855 |
| Gp. silvana Gurgel, Fredericq & J. N. Norris | Rio Grande do Norte, Praia de Ponta Negra, Brazil | KP210202 |
| Gp. silvana | Espirito Santo, Meaipe, Brazil | KP210205 |
| Gp. tenuifrons (C. J. Bird & E. C. Oliveira) Fredericq & Hommersand | La Pena, Arraya, Venezuela | JQ843351 |
| Gp. tenuifrons | La Pena, Arraya, Venezuela | JQ843346 |
| Gp. tenuifrons | Sao Paulo, Itanhaem, Brazil | JQ843349 |
| Gp. tenuifrons | Rio de Janeiro, Cabo Frio, Brazil | JQ843354 |