Subclass: Tofrøblader (Magnoliidae)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Århuskleiva | Agder, Norway | 3 | 2 | 0 | 2008-04-23 | |
| Årnesvegen 307 | Trøndelag, Norway | 5 | 1 | 1 | 2022-09-23 | |
| Årnesveien 25 | Troms, Norway | 3 | 3 | 0 | 2007-05-13 | |
| Årnesveien 25 | Troms, Norway | 3 | 3 | 0 | 2007-05-13 | |
| Åros | Akershus, Norway | 3 | 3 | 0 | 2008-04-07 | |
| Årset | Møre og Romsdal, Norway | 4 | 2 | 0 | 2008-04-07 | |
| Årstadtjødne | Rogaland, Norway | 2 | 2 | 0 | 1994-11-24 | |
| Årud | Buskerud, Norway | 1 | 1 | 0 | 2017-03-15 | |
| Årungen | Akershus, Norway | 13 | 9 | 0 | 1991-09-16 | |
| Årvik | Rogaland, Norway | 3 | 3 | 0 | 2007-04-20 | |
| Årvollskogen | Østfold, Norway | 2 | 2 | 2 | 2020-09-14 | |
| Årø | Vestfold, Norway | 2 | 2 | 0 | 2001-04-25 | |
| ås | Akershus, Norway | 4 | 4 | 0 | 2007-04-17 | |
| Ås | Akershus, Norway | 1 | 1 | 1 | 2024-06-10 | |
| Ås rådhus | Akershus, Norway | 5 | 2 | 5 | 2024-06-10 | |
| Åsbakken 65 | Buskerud, Norway | 1 | 1 | 0 | 2020-03-16 | |
| Åsen | Telemark, Norway | 69 | 25 | 0 | 2024-05-27 | |
| Åsen | Vestland, Norway | 1 | 1 | 0 | 2008-04-20 | |
| Åsen, Blylaget | Akershus, Norway | 4 | 4 | 2 | 2007-04-25 | |
| Åsevegen | Agder, Norway | 2 | 1 | 2 | 2020-09-19 | |
| Åsgårdstrand | Vestfold, Norway | 1 | 1 | 0 | 2001-04-05 | |
| Åshallen | Akershus, Norway | 3 | 1 | 3 | 2024-06-03 | |
| Åsheim | Vestland, Norway | 1 | 1 | 0 | 2015-05-30 | |
| åsheim | Nordland, Norway | 1 | 1 | 0 | 2017-01-31 | |
| Åsleiastubben | Akershus, Norway | 6 | 4 | 2 | 2017-04-04 | |
| Åslund | Akershus, Norway | 2 | 1 | 2 | 2024-06-06 | |
| Åsmoenalleen | Innlandet, Norway | 4 | 4 | 0 | 2014-07-12 | |
| Åstveitvannet | Vestland, Norway | 3 | 3 | 0 | 1989-09-07 | |
| Åstveitvannet | Vestland, Norway | 10 | 9 | 0 | 2007-06-06 | |
| Åsvang | Trøndelag, Norway | 1 | 1 | 1 | 2020-09-16 | |
| Åsvang Skole | Trøndelag, Norway | 1 | 1 | 0 | 2010-04-28 | |
| Åsvang, Ryfoss, Høre område | Innlandet, Norway | 5 | 5 | 0 | 2012-03-30 | |
| Åttringaveien | Vestland, Norway | 3 | 3 | 0 | 2006-05-08 | |
| Åvegen 14 | Rogaland, Norway | 2 | 1 | 0 | 2022-09-08 | |
| Åvegen 14 | Rogaland, Norway | 1 | 1 | 0 | 2022-09-08 |
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