NSF award 2552957 · University of Tennessee Knoxville

The evolution of fern vascular architecture

Final report due

28 November 2029

in 1,137 days · The award ends on 31 July 2029.

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Decide about an extension2 Apr 2029in 897 days
award ending 2029-07-31 · Research.gov
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Extension request16 Jun 2029in 972 days
award ending 2029-07-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Jul 2029in 1007 days
award ending 2029-07-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Nov 2029in 1137 days
award ending 2029-07-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Nov 2029in 1137 days
award ending 2029-07-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Nov 2029in 1137 days
award ending 2029-07-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 July 2029.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 November 2029.

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Award card

Award number: 2552957
Period of support: 1 Aug 2026 – 31 Jul 2029
Amount: $567,696
Awardee: University of Tennessee Knoxville, Knoxville, TN
Program: Evo Patterns & Processes
Directorate: BIO

Abstract

A central goal of biology is to understand how and why diverse structures evolve. This highlights a long-standing question: do new forms arise mainly because natural selection directly favors them, or because they emerge indirectly as a consequence of how organisms grow and develop? Tackling these questions requires knowledge of how new forms originate and their fitness implications. This project uses ferns, an…

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