International Association for

Private foundation · Grantmaker Washington, DC EIN: 52-0817253

The International Association for Plant Taxonomy (IAPT) is a nonprofit organization based in Washington, DC, that supports global research and collaboration in the systematics, taxonomy, and nomenclature of algae, fungi, and plants. Its activities include publishing scientific works, supporting professional connections, organizing events, and providing grants.

International Association for at a glance

In short: International Association for gave $101K across 51 grants in 2025 (avg $2K). Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$101,378
+31.5% vs 2024
Grants made (2025)
51
+15.9% vs 2024
Average grant
$1,988
+13.5% vs 2024
Median grant
$2,000
Total assets
$2,200,116
+17.9% vs 2024
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026.

How to apply to International Association for

How to Apply

Applicants must be IAPT members at the time of submission and submit through the IAPT website’s online form. Research proposals must be in English, no more than three pages, and accompanied by a CV of no more than three pages; proposals are assessed for scientific merit, community building, and broader impacts. Small Collections Grant applications must be submitted by a collection director, curator, or manager, and the collection must be listed in Index Herbariorum. Collections that received an IAPT Small Collections Grant within the past three years are ineligible.

Review Cycle
The website lists the next Research Grant call as December 1, 2026–January 29, 2027, and the next Small Collections Grant call as December 1, 2026–February 26, 2027. The 2026 deadlines stated on the filing have passed.
Deadline
The website lists the next Research Grant call as December 1, 2026–January 29, 2027, and the next Small Collections…
Contact

Application contact: Eva Kralovicova
Mailing address: Botany Dept Mrc 166 PO Box 370, Washington, DC 20013-7012
Phone: (202) 633-0935
Email: office@iapt-taxon.org

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who International Association for funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Aneeqa Ghafoor: $2KAneeqa Ghafoor$2KCaroline Da Cruz Vasconcelos: $2KCaroline Da Cruz Vasconcelos$2KDipankar Borah: $2KDipankar Borah$2KEddy Martinez Quesada: $2KEddy Martinez Quesada$2KJohn Michael Lastimoso: $2KJohn Michael Lastimoso$2KKaren Yuliana Suarez Contento: $2KKaren Yuliana Suarez Contento$2KKasturi Chakraborty: $2KKasturi Chakraborty$2KKhant ZAW Hein: $2KKhant ZAW Hein$2KLeonardo Da Silveira De Souza: $2KLeonardo Da Silveira De Souza$2KMauricio Figueira: $2KMauricio Figueira$2K

The largest 2025 recipient was Aneeqa Ghafoor ($2K). Together the top 10 received $20K.

Grant Size Distribution

238 grants across all recorded years

238<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 238 grants of 238 (100%).

Geographic Focus

Where this funder awards grants

IAPT considers applications from all countries for its Research Grants and Small Collections Grants. Its published guidance gives higher priority to applicants or collections in low-, lower-middle-, and upper-middle-income countries for Research Grants, and low- and middle-income countries for Small Collections Grants.

Grant Distribution by State

16states
+8 more states

Cities

WashingtonGainesvilleAnn ArborBaton RougeBloomingtonBoulderChicagoColumbiaConwayFort WorthIthacaKalamazooLawrenceMcKinleyvilleNew HavenSt. LouisStarkvilleWorthington

How International Association for gives

  • Giving fell 56% from 2022 to 2025. Method
  • In 2025 it paid out 155% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$100K$200K$300K19 grants2020 29 grants2021 74 grants2022 40 grants2023 44 grants2024 51 grants2025

From 2020 to 2025, annual grant giving ranged from $33K (2020) to $229K (2022). In 2025 it made 51 grants totaling $101K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Aneeqa Ghafoor Untangling the systematic diversity, distribution and conservation of genus morchella dill. Ex pers., from the kaghan valley, kp, pakistan$2,000
Caroline Da Cruz Vasconcelos Building a near-infrared spectral library to reveal new species of ecclinusa (sapotaceae, chrysophylloideae) in South America$2,000
Dipankar Borah Unraveling species boundaries within the begonia aborensis-silletensis complex of the eastern himalayas$2,000
Eddy Martinez Quesada Taxonomy, Biography, and Conservation of Dendrophthora Genus (Santalaceae-Visieae)$2,000
John Michael Lastimoso Setting the record straight on sargassum (fucales, heterokontophyta) taxonomy in the philippines$2,000
Karen Yuliana Suarez Contento A comprehensive study of the systematics, evolution, and biogeography of croton sect. Lamprocroton: a primarily southern neotropical lineage.$2,000
Kasturi Chakraborty Understanding Indian Conyzinae (Asteraceae): Morphological and Molecular Approach.$2,000
Khant ZAW Hein Taxonomic revision and pollen morphology of typhonium schott (araceae) in mainland southeast asia$2,000
Leonardo Da Silveira De Souza Systematic and Conservation Studies in Forsteronia (Apocynaceae, Mesechiteae)$2,000
Mauricio Figueira Phylogenomic analysis of the tribe gouanieae and taxonomic revision of the South American species of gouania (rhamnaceae)$2,000
Your AI grants department

Ready to take the next step with International Association for?

Fully replaces Grant database subscriptions Instrumentl · Foundation Directory · GrantStation & similar

Financial History

Multi-year comparison from IRS filings

IAPT is classified as a private foundation on its Form 990-PF filings.

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$2,200,116$658,557$325,145$101,37851$310,921$488,609$200,139
2024$1,866,704$648,665$381,215$77,07544$239,521$440,489$187,873
2023$1,599,254$192,095$353,282$146,47540$174,965$59,534$174,473
2022$1,760,441$309,619$390,472$228,75974$259,746$193,272$176,442
2021$1,841,294$277,791$143,475$52,18729$57,632$146,329$181,708
2020$1,706,978$295,324$126,732$32,50019—$164,329$149,305

Under IRS private-foundation payout rules, International Association for reported a distributable amount of $200K for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated October 2026.

Mission & Focus Areas

IAPT’s stated mission is to promote, support, and facilitate taxonomic, systematic, and nomenclatural research into algae, fungi, and plants. It also supports the governance and maintenance of the International Code of Nomenclature for algae, fungi and plants.

Its grant programs support research in systematics, nomenclature, and floristics, as well as improvements to botanical collections. Research grants are intended for current or recent students and young investigators; applicants worldwide may apply, with higher priority for applicants in low-, lower-middle-, and upper-middle-income countries. Small Collections Grants support herbaria with up to 100,000 specimens, including digitization, backlog processing, curation, conservation, and collection-related materials.

Grantmaking

In filing year 2025, IAPT reported 51 grants totaling $101,378. Grants ranged from $1,500 to $2,000, with a median of $2,000. The listed grants include individual recipients conducting research on plant and fungal taxonomy, systematics, evolution, and conservation.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Warren K. Wagner as board chair; Judy Skog, David Ballantine, and John Wiersema as directors; Sarah Eichhorn as director ex-officio; and Lucia Lohmann as president ex-officio.

International Association for is led by Lucia Lohmann, President Ex-Officio on the 2025 filing; 1 of 6 officers listed in 2025 is compensated.

Officers on the 2025 filing

  • Lucia Lohmann

    President Ex-Officio

    New on the 2025 filing

    0.1 hrs/week

    No compensation reported

  • Warren K. Wagner

    Board Chair

    On filings since 2020

    1 hr/week

    No compensation reported

  • Sarah Eichhorn

    Director Ex-Officio

    Director → Director Ex-Officio, 2025

    On filings since 2020

    10 hrs/week

    $18K (2020) → $23K (2025)

  • David Ballantine

    Director

    On filings since 2020

    0.1 hrs/week

    No compensation reported

  • John Wiersema

    Director

    On filings since 2020

    0.1 hrs/week

    No compensation reported

  • Judy Skog

    Director

    On filings since 2020

    0.1 hrs/week

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Compensation Overview

From 2025 IRS filing

Sarah Eichhorn — Director Ex-Officio: $23KSarah EichhornDirector Ex-Officio$23K

The highest reported compensation on the 2025 filing was $23K, to Sarah Eichhorn (Director Ex-Officio).

Frequently asked questions about International Association for

How much does International Association for give each year?

International Association for gave $101K across 51 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $77K across 44 grants.

What is International Association for's typical grant size?

International Association for's median grant in 2025 was $2,000, and its average grant was $1,988, across 51 grants on its 2025 IRS Form 990-PF.

Does International Association for give general operating support?

Not in 2025: none of the 51 grants with a stated purpose on International Association for's 2025 IRS Form 990-PF were described as general or operating support.

Who are International Association for's largest grantees?

International Association for's largest 2025 grantees include Aneeqa Ghafoor ($2,000), Caroline Da Cruz Vasconcelos ($2,000) and Dipankar Borah ($2,000), according to its 2025 IRS Form 990-PF. Together they received 6% of its itemized 2025 grant dollars.

How large is International Association for?

International Association for reported $2.2M in total assets on its 2025 IRS Form 990-PF. It paid out $311K in qualifying distributions that year, against a required minimum of $200K (roughly 5% of its investment assets).

What does International Association for fund?

IAPT’s stated mission is to promote, support, and facilitate taxonomic, systematic, and nomenclatural research into algae, fungi, and plants. It also supports the governance and maintenance of the International Code of Nomenclature for algae, fungi and plants. See mission & focus areas ↑

How do I apply for a grant from International Association for?

Applicants must be IAPT members at the time of submission and submit through the IAPT website’s online form. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

Where does International Association for make grants?

IAPT considers applications from all countries for its Research Grants and Small Collections Grants. Its published guidance gives higher priority to applicants or collections in low-, lower-middle-, and upper-middle-income countries for Research Grants, and low- and middle-income countries for Small Collections Grants.

What is International Association for's EIN?

International Association for's EIN (Employer Identification Number) is 52-0817253. IRS Form 990 filing data is available on this page for 2020–2025.

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated October 2026.

Data update history

(2)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2025 (received by the IRS June 15, 2026)
  2. IRS filings on file for fiscal years 2020–2024

Explore Open Grants

Browse active grant opportunities in International Association for's focus areas in our free grants database

Similar Funders

Similar funders in District of Columbia

NCRC Community Development Fund Inc

Washington, DC

NCRC Community Development Fund supports affordable housing and homeownership, small businesses—especially minority-owned, women-owned, and low-income businesses—and certain nonprofit programs that provide capital or services to underserved communities. Its listed awards range from $5,000 to $50,000, though typical giving is not stated; it serves communities across the U.S., with some programs focused on Illinois. The profile does not state whether it accepts unsolicited requests.

Assets

$55.6M

Grants

2,666

Total Given

$149.3M

National Fish and Wildlife Foundation

Washington, DC

The National Fish and Wildlife Foundation makes competitive grants for science-based projects that conserve or restore fish, wildlife, plants, and habitats; it does not fund advocacy or litigation. Its 2025 grants had a median of about $106,500, and it supports projects across all 50 states and U.S. territories. Applications are competitive and program-specific; whether pre-proposals are required varies by program.

Assets

$3.6B

Grants

1,286

Total Given

$464.4M

Greater Washington Community Foundation

Washington, DC

The Greater Washington Community Foundation supports nonprofits working across areas such as economic opportunity, education, health, arts, and human services, with an emphasis on equity and economic justice. Its 2025 grants had a median of $20,000, and it generally funds organizations serving DC, Montgomery County, Prince George’s County, and specified Northern Virginia communities; it offers scheduled open competitive grant rounds as well as invite-only opportunities.

Philanthropy, Voluntarism & Grantmaking

Assets

$518.3M

Grants

1,417

Total Given

$116.9M

Corporation for Public Broadcasting

Washington, DC

The Corporation for Public Broadcasting supported public radio and television stations, programming, infrastructure, and related services across the United States. Its 2026 grants had a median of $22,300, though awards ranged widely; CPB’s 2025 filing was marked as its final return, and the profile does not state whether it accepts unsolicited requests.

Arts, Culture & Humanities

Assets

—

Grants

555

Total Given

$175.8M

AARP

Washington, DC

AARP funds nonprofits and other organizations working on aging-related issues, including caregiving, health, research, education, and community programs. Its 2024 grants had a median award of $15,000, with amounts ranging widely, and it supports work through offices across the states and territories; whether AARP accepts unsolicited requests is not stated.

Assets

$13.1B

Grants

688

Total Given

$35.8M

City First Enterprises Inc

Washington, DC

City First Enterprises supports affordable housing, small businesses, nonprofits, commercial real estate, clean energy, and homeownership through lending and some grant programs, primarily in the Washington, DC, Maryland, and Virginia region. Its typical grant size is not specified; one DC-administered program offers eligible businesses up to $500,000 in down-payment assistance. The profile does not state whether it accepts unsolicited requests.

Assets

$86.3M

Grants

2

Total Given

$769K

More similar funders

More Funders in District of Columbia

The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from International Association for's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

International Association for down — hundreds of funders to go?

Want AI to do this for you?