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Saguaro flower phenology data, 2017-2018

Published by National Park Service | Department of the Interior | Metadata Last Checked: January 25, 2026 | Last Modified: 2021-10-01T00:00:00Z
Flower count data are provided for 20 individual saguaro plants measured on multiple dates in 2017 and 2018 at Saguaro National Park. Flower directions were determined using a digital compass placed on top of individual photographs of the top of each saguaro stem.

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