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Nonprofit · EIN 47-2411429

INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC

Tax-exempt · NEWARK, DE 19713

Financials

$235K$261K2023$334K$261K2024
Revenue Expenses · by fiscal year end
Financials of INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2024990$334,212$261,038$73,174$704,148$30,363$673,785
December 31, 2023990$235,422$260,830-$25,408$636,879$24,052$612,827
Financial details: 990 for the year ended December 31, 2024

Revenue

Contributions, gifts and grants
$0
Program service revenue
$15,313
Investment income
$15,998
Royalties
$302,901
Other revenue
$302,901

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$0
Salaries, compensation and benefits (total)
$0
Professional fundraising fees
$0
Travel
$1,225
Program services (functional)
$173,150
Management and general (functional)
$87,888

Balance sheet and other

Total assets, start of year
$636,879
Total assets, end of year
$704,148
Total liabilities, end of year
$30,363
Net assets, end of year
$673,785
Net assets without donor restrictions
$673,785
Gross receipts
$334,212
Employees
0
Volunteers
60
Year formed
1939
State of legal domicile
MD

From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.

Officers, directors and key employees

As listed on the 990 for the year ended December 31, 2024, highest compensation first.

NameTitleHours / weekCompensation
Susan WiserPresident
Trustee or director, Officer
8$0
David ZelenSecretary
Trustee or director, Officer
8$0
Alessandra FidelisVice President
Trustee or director, Officer
8$0
MARTIN DIEKMANNVice President
Trustee or director, Officer
8$0
Peter MinchinVice President
Trustee or director, Officer
8$0
IRENA AXMANOVAVice President
Trustee or director, Officer
8$0
BORJA JIMENEZ ALFAROVice President
Trustee or director, Officer
8$0
TERESA CUNHAAdm Ex Officio
Trustee or director
8$0
990 for the year ended December 31, 2023: 8 people
NameTitleHours / weekCompensation
Susan WiserPresident
Trustee or director, Officer
8$0
David ZelenSecretary
Trustee or director, Officer
8$0
Alessandra FidelisVice President
Trustee or director, Officer
8$0
MARTIN DIEKMANNVice President
Trustee or director, Officer
8$0
Peter MinchinVice President
Trustee or director, Officer
8$0
IRENA AXMANOVAVice President
Trustee or director, Officer
8$0
BORJA JIMENEZ ALFAROVice President
Trustee or director, Officer
8$0
TERESA CUNHAAdm Ex Officio
Trustee or director
8$0

Address and contacts

Address (IRS master file)
200 CONTINENTAL DR STE 401, NEWARK, DE 19713-4337
In care of
% STEFAN R BRADHAM
Mailing address (990-N for 2014)
9650 ROCKVILLE PIKE, BETHESDA MD 20814
Principal officer (990-N for 2014)
MARK DIEKMANN, 9650 ROCKVILLE PIKE, BETHESDA MD 20814
Signed the 990
Susan Wiser, President
Phone
(301) 634-7035
Return prepared by
Barnes Givens & Barnes Ltd

Mission

IAVS is a scientific society devoted to study of vegetation at all levels of complexity spanning populations, plant communities and biomes. It attempts to explain vegetation patterns and the processes governing vegetation assembly and dynamics at all temporal and spatial scales.

990 for the year ended December 31, 2024

Program accomplishments

  • THE ANNUAL SYMPOSIUM OF THE INTERNATIONAL ASSOCIATION OF VEGETATION SCIENCE PROVIDES MEMBERS WITH THE OPPORTUNITY TO NETWORK WITH VEGETATION SCIENTISTS AND ATTEND THE VARIOUS SCIENTIFIC PROGRAMS AT AN ANNUAL MEETING.
    Expenses $165,751 · revenue $3,706
  • THE IAVS PUBLISHES THREE ONLINE JOURNALS: (1) THE JOURNAL OF VEGETATION SCIENCE, WHICH FOCUSES ON ALL ASPECTS OF PLANT COMMUNITY ECOLOGY RELEVANT TO HUMAN INTERACTION WITH VEGETATION, INCLUDING GLOBAL CHANGE, NATURE, CONSERVATION, NATURE MANAGEMENT, RESTORATION OF PLANT COMMUNITITES AND OF NATURAL HABITATS, AND THE PLANNING OF SEMI-NATURAL AND URBAN LANDSCAPE; (2) APPLIED VEGETATION SCIENCE, WHICH FOCUSES ON COMMUNITY-LEVEL TOPICS RELEVANT TO HUMAN INTERACTION WITH VEGETATION AND (3) VEGETATION CLASSIFICATION AND SURVEY, WHICH IS AN INTERNATIONAL, PEER-REVIEWED JOURNAL ON PLANT COMMUNITY ECOLOGY.
    Expenses $7,399
  • THE IAVS BULLETIN IS THE NEWSLETTER OF THE INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE. THE BULLETIN CONTAINS ITEMS OF POTENTIAL INTEREST TO THE MEMBERSHIP AND SERVES AS THE OFFICIAL RECORD OF IAVS MEETINGS AND ACTIVITIES. THE IAVS BULLETIN IS PUBLISHED IN DIGITAL FORMAT WITH FOUR ISSUES PER YEAR.

What it must file and when

IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026Check at the IRS
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990 on file

IRS record

EIN
47-2411429
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
2016
Accounting year ends
December
Files
Form 990 or 990-EZ
Category (NTEE)
Environment (C03)
Assets (IRS master file)
$847,730
Income (IRS master file)
$357,792

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2024$334,212$261,038$704,148IRS
990December 2023$235,422$260,830$636,879XML
990December 2022$260,385$257,980$680,119IRS
990December 2021–––IRS
990December 2020–––IRS
990December 2019–––IRS
990December 2018–––IRS
990-N for 2014
Officer: MARK DIEKMANN
December 31, 2014≤ $50,000 receipts––e-Postcard

990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 47-2411429).

Questions about INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC

What is the EIN of INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC?
The employer identification number (EIN) of INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC is 47-2411429.
Is INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2016.
Are donations to INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC file?
Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
When is the next return of INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC due?
The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2024.
Who is the principal officer of INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC?
The 990-N for 2014 names MARK DIEKMANN.
Who are the officers and directors of INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC?
The 990 for the year ended December 31, 2024 lists 8 people; 0 received compensation from the organization.
How much revenue does INTERNATIONAL ASSOCIATION FOR VEGETATION SCIENCE INC have?
On its 990 for the year ended December 31, 2024 it reported revenue of $334,212, expenses of $261,038 and total assets of $704,148 at year end.

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