ITIS

Integrated Taxonomic Information System - authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world. This company is the 6226^th most popular in the global Wikipedia ranking of business. Article “ITIS” in Portuguese Wikipedia has 5.9 points for quality (as of July 1, 2026). The article contains 1 references and 2 sections. The article also contains templates indicating quality issues, therefore its score was reduced by 0.65 points.

This article has the best quality in Slovak Wikipedia. However, the most popular language version of this article is English.

Since the creation of article “ITIS”, its content was written by 20 registered users of Portuguese Wikipedia and edited by 590 registered Wikipedia users in all languages.

Integrated Taxonomic Information System is on the 6226^th place in global ranking of business on Wikipedia in all the time.

Integrated Taxonomic Information System is on the 1074^th place in global ranking of websites on Wikipedia in all the time.

The article is cited 30080 times in Portuguese Wikipedia (89^th place) and cited 1033788 times in all languages (83^rd place).

The highest Authors Interest rank from 2001:

• Local (Portuguese): #5854 in October 2004
• Global: #4799 in January 2013

The highest popularity rank from 2008:

• Local (Portuguese): #92376 in January 2008
• Global: #58264 in July 2024

There are 43 language versions for this article in the WikiRank database (of the considered 55 Wikipedia language editions).

The quality and popularity assessment was based on Wikipédia dumps from July 1, 2026 (including revision history and pageviews for previous years).

The table below shows the language versions of the article with the highest quality.

#	Language	Quality grade	Quality score
1	Slovak (sk) Integrated Taxonomic Information System		38.9894
2	Norwegian (Nynorsk) (nn) Integrated Taxonomic Information System		34.2855
3	English (en) Integrated Taxonomic Information System		33.7716
4	German (de) Integrated Taxonomic Information System		31.9847
5	Greek (el) Ολοκληρωμένο Σύστημα Ταξινομικών Πληροφοριών		31.1477
6	Slovenian (sl) Integrirani taksonomski informacijski sistem		25.1768
7	Catalan (ca) Sistema Integrat d'Informació Taxonòmica		24.3491
8	Hebrew (he) ITIS		24.1423
9	Esperanto (eo) Integrata Taksonomia Informa Sistemo		23.8908
10	Finnish (fi) Integrated Taxonomic Information System		22.7161

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The following table shows the most popular language versions of the article.

The most popular language versions of the article "ITIS" in all the time

#	Language	Popularity award	Relative popularity
1	English (en) Integrated Taxonomic Information System		845 098
2	French (fr) Système d'information taxonomique intégré		184 504
3	Russian (ru) Объединённая таксономическая информационная служба		181 146
4	Spanish (es) Sistema Integrado de Información Taxonómica		139 090
5	Polish (pl) Integrated Taxonomic Information System		52 766
6	Chinese (zh) 整合分類學資訊系統		40 161
7	Hebrew (he) ITIS		30 772
8	Japanese (ja) ITIS		26 731
9	Portuguese (pt) ITIS		25 506
10	Indonesian (id) Sistem Informasi Taksonomi Terpadu		23 254

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The following table shows the language versions of the article with the highest popularity in the last month.

The most popular language versions of the article "ITIS" in June 2026

#	Language	Popularity award	Relative popularity
1	English (en) Integrated Taxonomic Information System		1 023
2	Russian (ru) Объединённая таксономическая информационная служба		601
3	French (fr) Système d'information taxonomique intégré		217
4	Spanish (es) Sistema Integrado de Información Taxonómica		168
5	Chinese (zh) 整合分類學資訊系統		148
6	Japanese (ja) ITIS		75
7	Hebrew (he) ITIS		67
8	Simple English (simple) Integrated Taxonomic Information System		65
9	Ukrainian (uk) Інтегрована система таксономічної інформації		57
10	Norwegian (no) Integrated Taxonomic Information System		55

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The following table shows the language versions of the article with the highest Authors’ Interest.

Language versions of the article "ITIS" with the highest Authors Interest (number of authors). Only registered Wikipedia users were taken into account.

#	Language	AI award	Relative AI
1	English (en) Integrated Taxonomic Information System		86
2	French (fr) Système d'information taxonomique intégré		70
3	Russian (ru) Объединённая таксономическая информационная служба		33
4	Hungarian (hu) Integrated Taxonomic Information System		30
5	Spanish (es) Sistema Integrado de Información Taxonómica		26
6	Dutch (nl) Integrated Taxonomic Information System		26
7	German (de) Integrated Taxonomic Information System		22
8	Italian (it) Integrated Taxonomic Information System		20
9	Portuguese (pt) ITIS		20
10	Japanese (ja) ITIS		19

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The following table shows the language versions of the article with the highest Authors’ Interest in the last month.

Language versions of the article "ITIS" with the highest AI in June 2026

#	Language	AI award	Relative AI
1	Arabic (ar) نظام المعلومات التصنيفية المتكامل		1
2	English (en) Integrated Taxonomic Information System		1
3	Azerbaijani (az) Ümumiləşdirilmiş taksonomik məlumat sistemi		0
4	Belarusian (be) Аб’яднаная таксанамічная інфармацыйная служба		0
5	Bulgarian (bg) Обединена система за таксономична информация		0
6	Catalan (ca) Sistema Integrat d'Informació Taxonòmica		0
7	Czech (cs) Integrated Taxonomic Information System		0
8	Danish (da) Integrated Taxonomic Information System		0
9	German (de) Integrated Taxonomic Information System		0
10	Greek (el) Ολοκληρωμένο Σύστημα Ταξινομικών Πληροφοριών		0

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The following table shows the language versions of the article with the highest number of citations.

Language versions of the article "ITIS" with the highest Citation Index (CI)

#	Language	CI award	Relative CI
1	English (en) Integrated Taxonomic Information System		175 065
2	Spanish (es) Sistema Integrado de Información Taxonómica		102 949
3	Turkish (tr) Bütünleştirilmiş Taksonomik Bilgi Sistemi		78 089
4	Swedish (sv) Integrated Taxonomic Information System		75 055
5	French (fr) Système d'information taxonomique intégré		70 263
6	Basque (eu) Integrated Taxonomic Information System		61 447
7	Ukrainian (uk) Інтегрована система таксономічної інформації		58 189
8	Chinese (zh) 整合分類學資訊系統		57 851
9	Indonesian (id) Sistem Informasi Taksonomi Terpadu		42 673
10	Russian (ru) Объединённая таксономическая информационная служба		35 717

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#	Language	Value
ar	Arabic نظام المعلومات التصنيفية المتكامل
az	Azerbaijani Ümumiləşdirilmiş taksonomik məlumat sistemi
be	Belarusian Аб’яднаная таксанамічная інфармацыйная служба
bg	Bulgarian Обединена система за таксономична информация
ca	Catalan Sistema Integrat d'Informació Taxonòmica
cs	Czech Integrated Taxonomic Information System
da	Danish Integrated Taxonomic Information System
de	German Integrated Taxonomic Information System
el	Greek Ολοκληρωμένο Σύστημα Ταξινομικών Πληροφοριών
en	English Integrated Taxonomic Information System
eo	Esperanto Integrata Taksonomia Informa Sistemo
es	Spanish Sistema Integrado de Información Taxonómica
et	Estonian Integrated Taxonomic Information System
eu	Basque Integrated Taxonomic Information System
fa	Persian سامانه اطلاعات آرایه‌شناسی یکپارچه
fi	Finnish Integrated Taxonomic Information System
fr	French Système d'information taxonomique intégré
gl	Galician Sistema Integrado de Información Taxonómica
he	Hebrew ITIS
hu	Hungarian Integrated Taxonomic Information System
hy	Armenian Միավորված տաքսոնոմիական տեղեկատվական ծառայություն
id	Indonesian Sistem Informasi Taksonomi Terpadu
it	Italian Integrated Taxonomic Information System
ja	Japanese ITIS
ka	Georgian გაერთიანებული ტაქსონომიის საინფორმაციო სისტემა
ko	Korean 미국 통합 분류학 정보 시스템
ms	Malay Sistem Maklumat Taksonomi Bersepadu
nl	Dutch Integrated Taxonomic Information System
nn	Norwegian (Nynorsk) Integrated Taxonomic Information System
no	Norwegian Integrated Taxonomic Information System
pl	Polish Integrated Taxonomic Information System
pt	Portuguese ITIS
ro	Romanian Integrated Taxonomic Information System
ru	Russian Объединённая таксономическая информационная служба
simple	Simple English Integrated Taxonomic Information System
sk	Slovak Integrated Taxonomic Information System
sl	Slovenian Integrirani taksonomski informacijski sistem
sr	Serbian Integrisani taksonomski informacioni sistem
sv	Swedish Integrated Taxonomic Information System
tr	Turkish Bütünleştirilmiş Taksonomik Bilgi Sistemi
uk	Ukrainian Інтегрована система таксономічної інформації
vi	Vietnamese Hệ thống Thông tin Phân loại Tích hợp
zh	Chinese 整合分類學資訊系統

Best Rank

Portuguese: #92376 01.2008

Global: #58264 07.2024

Best Rank

Portuguese: #5854 10.2004

Global: #4799 01.2013

On 1 July 2026 in multilingual Wikipedia, Internet users most often read articles on the following topics: 2026 FIFA World Cup, Kylian Mbappé, Erling Haaland, Democratic Republic of the Congo, FIFA World Cup, Harry Kane, Romelu Lukaku, Senegal, Michael Olise, Sadio Mané.

In Portuguese Wikipedia the most popular articles on that day were: Erling Haaland, República Democrática do Congo, Romelu Lukaku, Copa do Mundo FIFA de 2026, Kylian Mbappé, Senegal, Copa do Mundo FIFA, Lista de artilheiros da Copa do Mundo FIFA, Harry Kane, Carlo Ancelotti.

The WikiRank project is intended for automatic relative evaluation of the articles in the various language versions of Wikipedia. At the moment the service allows to compare over 50 million Wikipedia articles in 55 languages. Quality scores of articles are based on Wikipedia dumps from July, 2026. When calculating current popularity and AI of articles data from June 2026 was taken into account. For historical values of popularity and AI WikiRank used data from 2001 to 2026... More information