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Harry Delbert Thiers (January 22, 1919 in Fort McKavett, Texas – August 8, 2000 in Ohio) was an American mycologist who studied and named many fungi native to North America, particularly California. Thiers taught mycology at San Francisco State University. He comprehensively revised and expanded on the North American collection of boletes and named many new species.

Species authored by Thiers include the boletes Suillellus amygdalinus, Boletus barrowsii, Xerocomellus dryophilus, Rubroboletus pulcherrimus, Leccinum manzanitae, and other mushrooms including Gymnopilus luteoviridis and Russula xanthoporphyrea.

The standard author abbreviation Thiers is used to indicate this person as the author when citing a botanical name.

Legacy

The fungal genera of Chaetothiersia and Harrya and the species of Cortinarius thiersii were named in his honor.

Botanist and herbarium curator Barbara M. Thiers is his daughter.

Harry D. Thiers Herbarium

San Francisco State University (SFSU) established the herbarium in 1959 with the name the "San Francisco State University Herbarium". When Thiers retired in 1989 the herbarium was given its present name. Thiers and his students collected most of the early specimens. Later, Dennis E. Desjardin and his students made major contributions. The herbarium has taxonomic coverage of fleshy fungi, lichens, bryophytes, and vascular plants. Specimens were collected from North America (especially California), South America, the Hawaiian Islands, Indonesia, southeast Asia, Micronesia, and Madagascar.

References

1. Thiers BM, Halling RE (2003). "Harry D. Thiers, 1919–2000" (PDF). Mycologia. 95 (6): 1271–75. doi:10.1080/15572536.2004.11833035. JSTOR 3761927. S2CID 88246683. Retrieved Nov 8, 2018.
2. International Plant Names Index.  Thiers.
3. Burkhardt, Lotte (2022). Eine Enzyklopädie zu eponymischen Pflanzennamen [Encyclopedia of eponymic plant names] (pdf) (in German). Berlin: Botanic Garden and Botanical Museum, Freie Universität Berlin. doi:10.3372/epolist2022. ISBN 978-3-946292-41-8. Retrieved January 27, 2022.
4. Bordelon, Ashley (29 November 2022). "Herbarium: The Quest to Preserve and Classify the World's Plants". Journal of the Botanical Research Institute of Texas. 16 (2): 448–448. doi:10.17348/jbrit.v16.i2.1274. ISSN 2644-1608. Retrieved 9 June 2024.
5. "San Francisco State University, Harry D. Thiers Herbarium (SFSU)". Mycology Collections Portal.
6. "Overview, San Francisco State University, Harry D. Thiers Herbarium". NYBG Steere Herbarium. November 2017.

External links

• "MSSF mourns Harry Thiers" by Mike Boom, Mycena News 50(9):1,7, September 2000.
• Thiers, Dr. Harry D. (1975). California Mushrooms—A Field Guide to the Boletes. New York, NY: Hafner Press. p. 261. ISBN 978-0-02-853410-7.

• American mycologists
• People from Menard County, Texas
• 1919 births
• 2000 deaths
• 20th-century American botanists
• Schreiner University alumni
• University of Texas at Austin alumni
• University of Michigan alumni
• San Francisco State University faculty