The Haginiwa Herbarium Photograph Database is a database of herbarium (preserved plants) collected and accumulated by the late Jōju Haginiwa (1917-1996), Professor Emeritus of Chiba University, throughout his lifetime. In addition to indigenous plants from across the Japanese archipelago, he also collected non-indigenous plants, such as specimens gathered from Taiwan and Thailand. The database is said to contain approximately 95% of the seed plants in all Japan, including over 1,000 already extinct and endangered plant species (according to the 2018 Japanese Red List by the Ministry of the Environment), and is unparalleled in both quality and quantity when it comes to herbarium specimens of seed plants indigenous to Japan.
In order to compile the extensive collection of approximately 50,000 herbarium into a database, the Cooperative Association for the Haginiwa Herbarium Database, which was formed around a nucleus of volunteers from the Inohana Mountaineering Club and the Chiba University Yakuyu-Kai (the alumni association of the Graduate School and Faculty of Pharmaceutical Sciences), carried out such tasks as organizing the specimens, taking digital photographs, entering data for the specimen labels, and supplementing the names of plants and collection sites over a period of eleven years following the passing of Professor Emeritus Jōju Haginiwa. The database was completed in 2008 after a trial release on the website of the Graduate School and Faculty of Pharmaceutical Sciences, Chiba University in 2002. In 2012, it was included in CURATOR: Chiba University Repository for Access to Outcomes from Research. With regard to the original herbarium, the collection was transferred in its entirety to the National Museum of Nature and Science in 2005 upon the occasion of the relocation of the Graduate School and Faculty of Pharmaceutical Sciences.
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