BioStor
 | XVIII.—On a second form of fructification in Peyssonnelia Squamaria. in a Letter to the Rev. M. J. Berkeley, M.A., F.L.S C Montagne (1847) Annals And Magazine of Natural History 19: 155-158 |
 | Intertidal plant and animal zonation in the vicinity of Neak Bay, Washington G B Rigg and R C Miller (1949) Proc. Calif. Acad. Sci. 26: 323-351 |