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Version 5. University of Oslo. Introduction : As the country of India has banned the export of plant specimens, specimens collected in India prior to the ban are of high value for the research community. This report is from a survey of the herbarium sheets in the vascular plant herbarium of Oslo which ended in an inventory of plants from India present in the herbarium.
Due to ongoing mass digitization of the vascular plant herbarium in Oslo, the angiosperms were only surveyed up to and including the family of Cyperaceae.
The specimens were primarily collected in the mid or late The collectors : One of the earliest collectors which has donated material to Oslo was Nathaniel Wallich Unfortunately he did not specify where in India or when the collection was made. But it is known that he arrived in India in , and that he retired aroud It is also known that he spent most of the time in or around Calcutta, but he also made several expeditions to what is now known as neighboring countries of India.
Wallich described many new species on his journey, and some of the specimens might therefor be type specimens. The most famous, and important of the collectors may be Joseph Dalton Hooker , who collected along with Thomas Thomson , mainly in the Khasia area. They also split up and went for individual surveys where J.
