Thorvald Julius Sørensen

1902 – 1973

• A revision of the Greenland species of Puccinellia Parl
• Karsporeplanter og nøgenfrøede
• New species of Hierochloë, Calamagrostis, and Braya
• Summary of the botanical investigations in N. E. Greenland
• Temperature relations and phenology of the northeast Greenland flowering plants
• Temperature relations and phenology of the northeast Greenland flowering plants
• The flora of Melville bugt
• The vascular plants of east Greenland from 71 ̊00 ́to 73 ̊30 ́N. lat
• The vascular plants of east Greenland from 710̊0' to 733̊0' N. lat
• The vascular plants of northeast Greenland from 74 ̊30' to 79 ̊00' N. Lat. and a summary of all species found in east Greenland / by Gunnar Seidenfaden and Thorv. Sørensen, with 60 figures in the text and 4 plates
• The vegetation types of Northeast Greenland