22. Oeländska och Gothländska Resa. Travels in Œland and Gothland. Stock. och Upsal, 1745. This work was translated into German by Schreber, 1763.
23. Fauna Sueciæ Regni, Mammalia, Aves, Amphibia, Pisces, Insecta, Vermes; distributa per classes, ordines, genera et species. Holm. apud Salvium, 1746. A second edition also at Stockholm, 1761.
24. Flora Zeylanica, sistens plantas Indicas Zeylonæ Insulæ, quæ olim 1670-1677, lectæ fuere a Paulo Hermanno. Holm. 1747. A second impression was executed at Leipsic, 1748.
25. Wästgötha Resa. Travels in West Gothland. Stockholm, 1747. Translated into German by Schreber, 1765.
26. Hortus Upsaliensis, exhibens plantas exoticas horto Upsaliensis Academiæ a Car. Linnæo illatas ab anno 1742, in annum 1748, additis differentiis, synonymis, habitationibus, hospitiis, rariorumque descriptionibus, in gratiam studiosæ juventutis. Holm. 1748.
27. Materia Medica Regni Vegetabilis. Holm. 1749. 8vo.
28. Materia Medica Regni Animalis. Upsal, 1750.
29. Skänska Resa. Travels in Scania. Stockholm, 1749. 434 pages 8vo. Translated into German by Klein, vol. i. The rest has not appeared.
30. Philosophia Botanica, in qua explicantur fundamenta botanica, cum definitionibus partium, exemplis terminorum, observationibus rariorum, adjectis figuris. Holm. apud Kiesewetter, 1751. 362 pages 8vo. Seven editions have been published of this splendid work. It has also been translated into English by Rose, and into Spanish by Capdevila.
31. Materia Medica Regni Lapidei. Upsal, 1752. The three parts of the Materia Medica were published separately, and the two last have been inserted in the Amænitates Academicæ. Two editions were afterwards required by the scientific world.