kingdom Chromista > subkingdom Harosa > infrakingdom Heterokonta > phylum Ochrophyta > class Phaeophyceae > subclass Fucophycidae > order Laminariales > family Laminariaceae > genus Macrocystis > species Macrocystis humboldtii
| Rank | Species |
| Status | unaccepted |
| Aphia ID | urn:lsid:marinespecies.org:taxname:499780 |
| Valid name | Macrocystis pyrifera |
| Valid Aphia ID | 232231 |
| Environments | marine |
This status of this taxon in WoRMS is unaccepted. The accepted taxon for Macrocystis humboldtii (Bonpland) C.Agardh, 1822 is Macrocystis pyrifera.