Private Foundation

INTERNATIONAL ASSOCIATION FOR PLANT TAXONOMY (USA)

INTERNATIONAL ASSOCIATION FOR PLANT TAXONOMY (USA), of WASHINGTON, DC, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2025 filing shows $659K in revenue, $325K in expenses, $2.2M in total assets. IRS filings disclose 257 grants awarded by this foundation, totaling roughly $638K.

EIN: 520817253 WASHINGTON, DC Biological & Life Sciences NTEE: U50 Latest filing: 2025
Total Revenue$659K
Total Expenses$325K
Total Assets$2.2M
Grants Given257
Grant Total$638K
Filing Years2021–2025

Where $100 goes at International Association for Plant Taxonomy (USA)

How International Association for Plant Taxonomy (USA) divides every $100 it spends, from its own Form 990 filings, averaged across 3 years.

$77 Programs the work itself
$23 Management running the organization
$0 Fundraising none reported

No fundraising costs are reported. That often means fundraising runs through a separate affiliated organization that files its own return.

Inside the $77 for programs

$41
Research grants awarded to thirteen individuals for botanical research
52% of program spending
$34
Membership
45% of program spending
$2
Taxon
3% of program spending
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Source: Form 990 filings with the IRS, latest fiscal year 2025. Shares are from the organization's reported expenses. Data by Imperigo; not affiliated with the IRS.

Sample Grants Given

YEISON LONDONO-ECHEVERRI
2025
REVEALING THE CITRUS FAMILYS DIVERSITY IN COLOMBIA: TAXONOMIC SYNOPSIS OF RUTACEAE
$2,000
MAURICIO FIGUEIRA
2025
PHYLOGENOMIC ANALYSIS OF THE TRIBE GOUANIEAE AND TAXONOMIC REVISION OF THE SOUTH AMERICAN SPECIES OF GOUANIA (RHAMNACEAE)
$2,000
EDDY MARTINEZ QUESADA
2025
TAXONOMY, BIOGRAPHY, AND CONSERVATION OF DENDROPHTHORA GENUS (SANTALACEAE-VISIEAE)
$2,000
CAROLINE DA CRUZ VASCONCELOS
2025
BUILDING A NEAR-INFRARED SPECTRAL LIBRARY TO REVEAL NEW SPECIES OF ECCLINUSA (SAPOTACEAE, CHRYSOPHYLLOIDEAE) IN SOUTH AMERICA
$2,000
DARIEN EROS PRADO
2025
DIGITIZATION, GEOREFERENCING, AND CONSERVATION OF THE UNR HERBARIUM COLLECTION
$2,000

Showing up to 5 of 257 total records — full history available with membership.

Officers & Directors

DIRECTOR David Ballantine
DIRECTOR John Wiersema
DIRECTOR Judy Skog
PRESIDENT EX-OFFICIO Lucia Lohmann
DIRECTOR EX-OFFICIO Sarah Eichhorn
BOARD CHAIR Warren K Wagner

Officer compensation and complete director data available with membership.

Top Grant Purposes

Environment & Conservation
$86,489 28 grants
Research & Policy
$56,270 21 grants
Education
$43,480 14 grants
General Support
$39,660 28 grants
Civil Rights & Social Justice
$36,033 16 grants

Financial Trends

Year Revenue Expenses Assets
2025 $659K $325K $2.2M
2024 $649K $381K $1.9M
2023 $192K $353K $1.6M
2022 $310K $390K $1.8M
2021 $278K $143K $1.8M

Between 2021 and 2025, reported annual revenue grew from $278K to $659K (+137%), with total assets most recently reported at $2.2M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in AR, CA, CO, CT, DC, FL, and 4 other states.

ARCACOCTDCFLILINKSLA

Full geographic grant map with state-by-state breakdown available with membership.

See the full picture for INTERNATIONAL ASSOCIATION FOR PLANT TAXONOMY (USA)

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