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. 2013 May 28;11(5):e1001573. doi: 10.1371/journal.pbio.1001573

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© 2013 Jonathan Chase

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Photo of the spectacular Pyramidal Saxifrage
(
Saxifraga cotyledon
), a plant that may provide distinctive and vulnerable functions to alpine ecosystems thanks to unusual combinations of traits such as exceptionally long flowering stems, making it an important resource for pollinators. — Photo Credit: J.P. Dalmas.