October 11, 2021 by mgnvmmfGiant_kelp_(Macrocystis_pyrifera)_holdfast A storm tore the holdfasts of Macrocystis pyrifera (giant kelp) from the bottom of the California Channel Islands. Photo by Claire Fackler, CINMS, NOAA CC BY 2.0 About mgnvmmf Previous Post:Giant_kelp_(Macrocystis_pyrifera)_holdfast