NSF award 2530296 · Smithsonian Institution

Collaborative Research: Closing the gap: The history of river connections with the formation of the isthmus of Panama and its impact on the evolution of plants in rivers

Final report due

28 January 2029

in 833 days · The award ends on 30 September 2028.

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award ending 2028-09-30 · Research.gov
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Extension request16 Aug 2028in 668 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice20 Sep 2028in 703 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due28 Jan 2029in 833 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due28 Jan 2029in 833 days
award ending 2028-09-30 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out28 Jan 2029in 833 days
award ending 2028-09-30 · 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 30 September 2028.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 28 January 2029.

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Award card

Award number: 2530296
Period of support: 1 Oct 2025 – 30 Sep 2028
Amount: $166,798
Awardee: Smithsonian Institution, Washington, DC
Program: Systematics & Biodiversity Sci
Directorate: BIO

Abstract

One of the most important events in the history of life in the Americas was when North and South America became connected by a land bridge—the Isthmus of Panama—which occurred between 15 million years ago and the present day. This connection allowed plants and animals to move between the two continents. Scientists have studied land plants to better understand when this event happened, but we still do not know how…

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