Polygonaceae
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Radarstasjonen | Vestland, Norway | 2 | 2 | 0 | 2010-09-21 | |
| Reinsvolldammen | Innlandet, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Renslotunet | Buskerud, Norway | 5 | 2 | 0 | 2010-05-28 | |
| Reset | Rogaland, Norway | 1 | 1 | 1 | 2020-09-10 | |
| Ringve videregående skole | Trøndelag, Norway | 2 | 1 | 0 | 2006-05-22 | |
| Rolfsbukta, Fornebu | Akershus, Norway | 1 | 1 | 0 | 2010-08-25 | |
| Rundt skolen | Østfold, Norway | 2 | 1 | 2 | 2014-05-22 | |
| Sagåsen | Innlandet, Norway | 7 | 4 | 0 | 2014-05-29 | |
| Sandbergsheia | Agder, Norway | 1 | 1 | 1 | 2020-09-09 | |
| Sander ved Mjøsbrua,kulturlandskap, beb | Innlandet, Norway | 2 | 1 | 0 | 2021-04-30 | |
| Sandvika | Akershus, Norway | 2 | 1 | 0 | 2015-06-09 | |
| Semsvannet | Akershus, Norway | 1 | 1 | 0 | 1994-05-18 | |
| Sjøholt | Møre og Romsdal, Norway | 3 | 2 | 0 | 2020-06-22 | |
| skansesletta | Innlandet, Norway | 2 | 1 | 0 | 2015-06-11 | |
| Skarvatnet | Møre og Romsdal, Norway | 1 | 1 | 0 | 1989-09-13 | |
| Skolevei | Akershus, Norway | 1 | 1 | 0 | 2018-06-18 | |
| Skomakerdiket | Vestland, Norway | 4 | 1 | 0 | 2012-09-12 | |
| Skovveien | Oslo, Norway | 1 | 1 | 1 | 2020-09-11 | |
| Skranevatnet | Vestland, Norway | 2 | 2 | 1 | 2014-05-22 | |
| Slettebakken | Vestland, Norway | 1 | 1 | 1 | 2023-08-16 | |
| Slondal | Vestland, Norway | 1 | 1 | 1 | 2016-08-23 | |
| Solheimsviken | Vestland, Norway | 1 | 1 | 1 | 2023-09-14 | |
| Solhøgda | Vestland, Norway | 1 | 1 | 1 | 2020-09-07 | |
| Solvangen | Akershus, Norway | 1 | 1 | 1 | 2020-09-18 | |
| Songsvann | Oslo, Norway | 1 | 1 | 0 | 2016-06-08 | |
| St. Olavskilden | Akershus, Norway | 2 | 1 | 0 | 2002-05-12 | |
| Stangvik | Møre og Romsdal, Norway | 1 | 1 | 0 | 2015-06-12 | |
| Stavsjø | Innlandet, Norway | 3 | 2 | 0 | 1989-09-05 | |
| Steinen | Vestland, Norway | 3 | 1 | 3 | 2020-10-02 | |
| Steinrusten | Vestland, Norway | 1 | 1 | 0 | 2017-06-24 | |
| Stend | Vestland, Norway | 15 | 1 | 7 | 2019-05-27 | |
| Stend vidaregåande skule | Vestland, Norway | 8 | 1 | 0 | 2019-06-03 | |
| Stilnestangen - Ytre Strandvei | Telemark, Norway | 1 | 1 | 0 | 2014-05-31 | |
| Storavatnet | Vestland, Norway | 1 | 1 | 0 | 1989-09-26 | |
| Storetveit | Vestland, Norway | 1 | 1 | 1 | 2020-10-02 | |
| Storvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2004-08-14 | |
| Storvatnet | Trøndelag, Norway | 1 | 1 | 0 | 2004-09-14 | |
| Stranda vidaregåande skule | Møre og Romsdal, Norway | 3 | 1 | 3 | 2015-06-04 | |
| Støylane | Møre og Romsdal, Norway | 1 | 1 | 1 | 2020-09-21 | |
| Surnadal | Møre og Romsdal, Norway | 2 | 1 | 0 | 2015-06-12 | |
| Søre Fjellavegen 203 | Vestland, Norway | 1 | 1 | 1 | 2020-05-11 | |
| Søreide | Vestland, Norway | 2 | 1 | 0 | 2013-06-13 | |
| Sørmarkveien | Rogaland, Norway | 2 | 1 | 0 | 2020-09-08 | |
| Tangeråsneset 35 | Vestland, Norway | 1 | 1 | 0 | 2023-10-03 | |
| Tauåna | Rogaland, Norway | 1 | 1 | 1 | 2020-09-18 | |
| Tertnestjørna | Vestland, Norway | 1 | 1 | 1 | 2020-09-28 | |
| Tingvoll | Rogaland, Norway | 1 | 1 | 1 | 2020-09-29 | |
| Tjodalyng barne- og ungdomsskole | Vestfold, Norway | 1 | 1 | 1 | 2015-05-27 | |
| Tomaso | Vestland, Norway | 1 | 1 | 0 | 2012-06-13 | |
| Tomaso | Vestland, Norway | 3 | 1 | 1 | 2013-06-10 |