Klasse: Enfrøblader (Liliopsida)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|
| Hellås | Telemark, Norway | 1 | 1 | 0 | 2014-05-20 | |
| Helsetvatnet | Møre og Romsdal, Norway | 24 | 13 | 0 | 2009-05-28 | |
| Hemmelig | Vestfold, Norway | 1 | 1 | 2 | 2005-06-28 | |
| Herdla | Vestland, Norway | 8 | 1 | 0 | 1994-10-20 | |
| Herumveien 33, Ås | Akershus, Norway | 5 | 2 | 0 | 2022-03-04 | |
| Hestsjøen | Trøndelag, Norway | 7 | 5 | 0 | 2004-09-23 | |
| Hestvika | Trøndelag, Norway | 4 | 1 | 0 | 1995-01-02 | |
| Hetland | Rogaland, Norway | 3 | 1 | 0 | 1995-09-28 | |
| Hetlevik | Vestland, Norway | 6 | 1 | 0 | 1995-10-13 | |
| Hidlesneset | Vestland, Norway | 1 | 1 | 1 | 2020-05-08 | |
| Hilde | Vestland, Norway | 1 | 1 | 0 | 2017-01-29 | |
| Hisøy | Agder, Norway | 12 | 1 | 0 | 1997-10-02 | |
| Hjelset | Møre og Romsdal, Norway | 1 | 1 | 0 | 1993-09-23 | |
| Hjelteryggen Porsvegen 3 | Vestland, Norway | 2 | 2 | 0 | 2010-09-19 | |
| Hjertnesskogen | Vestfold, Norway | 2 | 1 | 0 | 2015-04-07 | |
| Hjertnesskogen | Vestfold, Norway | 2 | 1 | 0 | 2015-04-28 | |
| Hjertnesskogen | Vestfold, Norway | 2 | 1 | 0 | 2015-06-09 | |
| Hjørungdalsvatnet | Møre og Romsdal, Norway | 19 | 19 | 0 | 1989-09-06 | |
| Hodne/Reve (Bore) | Rogaland, Norway | 2 | 1 | 0 | 1993-09-01 | |
| Hofles | Trøndelag, Norway | 1 | 1 | 0 | 1994-10-04 | |
| Hokksund | Buskerud, Norway | 2 | 2 | 0 | 2023-04-06 | |
| Holmavike | Rogaland, Norway | 2 | 1 | 0 | 2000-06-16 | |
| Holmestrand | Vestfold, Norway | 32 | 1 | 0 | 1998-09-18 | |
| Holmestrand | Vestfold, Norway | 2 | 1 | 0 | 1994-11-10 | |
| Holtefjell | Vestfold, Norway | 15 | 1 | 0 | 1998-09-24 | |
| Holten | Møre og Romsdal, Norway | 1 | 1 | 1 | 2020-03-23 | |
| Horten | Vestfold, Norway | 49 | 1 | 0 | 1998-10-08 | |
| Hostadvatnet | Møre og Romsdal, Norway | 14 | 9 | 0 | 1993-06-16 | |
| Hov sentrum | Innlandet, Norway | 2 | 1 | 0 | 2019-03-24 | |
| Hovedøya | Oslo, Norway | 4 | 1 | 0 | 1996-10-16 | |
| Hovenga | Telemark, Norway | 1 | 1 | 0 | 2014-06-03 | |
| Hovet | Telemark, Norway | 2 | 2 | 0 | 2021-03-23 | |
| Hovsdammen | Østfold, Norway | 3 | 3 | 0 | 1994-06-03 | |
| Huldertjønna | Trøndelag, Norway | 2 | 2 | 0 | 2004-09-14 | |
| Hundremeterskogen | Vestfold, Norway | 1 | 1 | 0 | 2001-05-23 | |
| Hundvåg | Rogaland, Norway | 29 | 1 | 0 | 1997-10-14 | |
| Hundvåg | Rogaland, Norway | 10 | 1 | 0 | 1998-10-12 | |
| Husavatnet | Vestland, Norway | 3 | 3 | 0 | 1989-09-28 | |
| Hustoft gnr. 150/4 | Rogaland, Norway | 241 | 43 | 17 | 2024-06-28 | |
| Hvasser | Vestfold, Norway | 21 | 1 | 0 | 1996-10-10 | |
| Hvasser | Vestfold, Norway | 8 | 1 | 0 | 1994-11-30 | |
| Hylkje | Vestland, Norway | 1 | 1 | 0 | 2020-03-27 | |
| Høknesøra | Trøndelag, Norway | 1 | 1 | 0 | 2005-12-01 | |
| Håkonshella | Vestland, Norway | 2 | 2 | 1 | 2014-09-29 | |
| Håkonshella - Pollen | Vestland, Norway | 1 | 1 | 1 | 2013-08-15 | |
| Håkvik | Nordland, Norway | 3 | 1 | 0 | 1996-10-09 | |
| Håland | Rogaland, Norway | 1 | 1 | 0 | 2020-04-02 | |
| Hårkollen | Vestfold, Norway | 48 | 1 | 0 | 1998-09-24 | |
| Håskjoldtjern | Møre og Romsdal, Norway | 7 | 6 | 0 | 2003-09-19 | |
| Håvundveien 139 | Telemark, Norway | 1 | 1 | 0 | 2020-03-24 | |
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