ipni.org

The International Plant Names Index describes itself as "a database of the names and associated basic bibliographical details of seed plants, ferns and lycophytes." Coverage of plant names is best at the rank of species and genus. It includes basic bibliographical details associated with the names. Its goals include eliminating the need for repeated reference to primary sources for basic bibliographic information about plant names. More information...

Multilingual Wikipedia

In June 2020 the website ipni.org was on the 5,363rd place in the ranking of the most reliable and popular sources in multilingual Wikipedia from readers' point of view (PR-score). If we consider only frequency of appearance of this source in references of Wikipedia articles (F-score), this website was on the 996th place in June 2020. From Wikipedians' point of view, "ipni.org" is the 1,391st most reliable source in different language versions of Wikipedia (AR-score).

The website is placed before yg-life.com and after arbeitsagentur.de in multilingual PR ranking of the most reliable sources in Wikipedia.

PR-score:
5,363rd place
5,967,797
-1,215,658
AR-score:
1,391st place
3,767,397
+27,391
F-score:
996th place
15,222
+139

English Wikipedia (en)

PR-score:
6,555th place
2,348,795
-353,414
AR-score:
3,597th place
535,348
+9,524
F-score:
1,597th place
3,005
+84

Spanish Wikipedia (es)

PR-score:
3,475th place
654,634
-164,843
AR-score:
593rd place
522,641
+2,230
F-score:
490th place
1,502
0

Russian Wikipedia (ru)

PR-score:
3,558th place
559,634
-73,421
AR-score:
709th place
289,141
+315
F-score:
290th place
2,485
+5

Japanese Wikipedia (ja)

PR-score:
4,672nd place
338,470
-124,813
AR-score:
6,957th place
17,026
+33
F-score:
9,043rd place
47
0

German Wikipedia (de)

PR-score:
5,628th place
300,219
-35,156
AR-score:
3,025th place
99,050
+173
F-score:
996th place
690
+12

Italian Wikipedia (it)

PR-score:
2,944th place
233,533
-130,819
AR-score:
1,436th place
119,622
+1,668
F-score:
330th place
1,312
+8

Welsh Wikipedia (cy)

PR-score:
19th place
173,906
-111
AR-score:
8th place
634,500
+100
F-score:
23rd place
1,259
0

Arabic Wikipedia (ar)

PR-score:
1,701st place
123,159
+6,451
AR-score:
151st place
492,845
+696
F-score:
271st place
1,059
+1
Show all Wikipedia languages...

BestRef shows popularity and reliability scores for sources in references of Wikipedia articles in different languages. Data extraction based on complex method using Wikimedia dumps. To find the most popular and reliable sources we used information about over 200 million references of Wikipedia articles. More details...