| Species | Locality | Collection date | No. of samples | Field voucher | GenBank |
| G. changii | Santubong, Sarawak | October 2014 | 10 | GSA01-GSA10 | — | G. blodgettii | Asajaya, Sarawak | December 2014 | 10 | GA01-GA10 | — | G. arcuata | Lawas, Sarawak | November 2014 | 3 | GL01-GL03 | — | G. abbottiana M. D. Hoyle | Hawaii, USA [29] | — | — | — | HQ422734 | G. coronopifolia J. Agardh | Hawaii, USA [29] | — | — | — | HQ423010 | G. dotyi Hoyle | Hawaii, USA [29] | — | — | — | HQ422938 | G. gracilis (Stackhouse) Steentoft, L. M. Irvine, & Farnham | Portugal [15] | — | — | — | FJ499509 | G. incurvata Okamura | Misaki, Japan [20] | — | — | — | HQ322017 | G. pacifica I. A. Abbott | British Columbia, Canada [15] | — | — | — | FJ499511 | G. parvispora I. A. Abbott | Jeju, Korea [20] | — | — | — | HQ322029 | G. textorii (Suringar) Hariot | Jeju, Korea [20] | — | — | — | HQ322065 | G. tikvahiae McLachlan | Rhode Island, USA [15] | — | — | — | FJ499546 | G. blodgettii Harvey | Philippines (unpublished data) | — | — | — | KX017514-KX017516, KT779907-KT779908, KT779910, KT779926, KT779928, KT779929 | G. blodgettii Harvey | China (unpublished data) | — | — | — | JQ407591-JQ407596 | G. arcuata Zanardini | Japan (unpublished data) | — | — | — | JQ026057 | G. arcuata Zanardini | Japan [30] | — | — | — | KF214686 | G. arcuata Zanardini | Philippines (unpublished data) | — | — | — | KT779922 | G. arcuata Zanardini | Philippines (unpublished data) | — | — | — | KT779925 | Gp. andersonii (Grunow) E. Y. Dawson | British Columbia, Canada [15] | — | — | — | FJ499637 | Gp. chorda (Holmes) Ohmi | Misaki, Japan [20] | — | — | — | HQ322075 | Gp. lemaneiformis (Bory de Saint-Vincent) E. Y. Dawson, Acleto, & Foldvik | Hawaii, USA [29] | — | — | — | HQ422916 | Gp. longissima (S. G. Gmelin) Steentoft, L. M. Irvine, & Farnham | Ria de Aveiro, Portugal [15] | — | — | — | FJ499660 | J. hawaiiana Apt | Hawaii, USA [29] | — | — | — | HQ422999 | O. pinnatifida (Hudson) Stackhouse | Brittany, France (unpublished data) | — | — | — | KJ960886 |
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