Plantæ rariores Camschatcenses. Quas consensu ampliss. facult. med. in Reg. acad. Upsal. præside ... Carolo Linnæo ... publico examini modeste submittit Jonas P. Halenius, Uplandus. In audit. Carol. major ad d. XXII. Dec. anni MDCCL. H. A. M. S von Linné, Carl