Gray's Manual of botany : a handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada / [Asa Gray].

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Due to essential maintenance, we won’t be able to retrieve items from our closed stores over the weekend. Please submit requests for Monday 20 April by 10:00 on Friday 17 April. The library will remain open as usual. Thank you for your understanding.

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Gray's Manual of botany : a handbook of the flowering plants and ferns of the central and northeastern United States and adjacent Canada / [Asa Gray].