Report from the Oak ICRA checklist
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Full Name: - Quercus annulata

Quercus annulata Sm. (1819) is a synonym of Quercus glauca subsp. annulata (Sm.) A. Camus (1938)
Infrageneric Classification
Subgenus Cerris, Section Cyclobalanopsis
Nomenclature Note
Recognized by the World Checklist and Bibliography of Fagales (1998) at rank of species, but here treated as Q. glauca subsp. annulata (Sm) A. Camus (1938)
Description
See: Huang Chengjiu et al.., Volume 4 of Flora of China (1999) Page 396 as Cyclobalanopsis
Conservation Status
Rated as Least Concern (LC) in the The Red List of Oaks
Main Horticultural References
The New Royal Horticultural Society Dictionary of Gardening vol. 3 (1992) page 783 as Q. glauca subsp. annulata Sm.
(Bean) Trees & Shrubs Hardy in the British Isles, 8th ed. vol. 3 (1976) page 478 treats as synonym of Q. glauca Thunb.
Recent Monograph References
(Hardÿ & Lamant) Guide illustré des Chênes (2006) Volume 1, page 442