kingdom Plantae > subkingdom Biliphyta > phylum Rhodophyta > subphylum Eurhodophytina > class Florideophyceae > subclass Rhodymeniophycidae > order Ceramiales > family Ceramiaceae > subfamily Ceramioideae > tribe Ceramieae > genus Ceramium > species Ceramium washingtoniense
| Rank | Species |
| Status | unaccepted |
| Aphia ID | urn:lsid:marinespecies.org:taxname:372550 |
| Valid name | Ceramothamnion pacificum |
| Valid Aphia ID | 1739124 |
| BOLD ID | 182308 |
| NCBI ID | 690440 |
| Environments | marine |
This status of this taxon in WoRMS is unaccepted. The accepted taxon for Ceramium washingtoniense Kylin, 1925 is Ceramothamnion pacificum.