| Scientific name | Norwegian name | English name | Redlisted | ||
|---|---|---|---|---|---|
| Harrimanella hypnoides | Moselyng | Moss bell heather | NT = Near Threatened |  |
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| Hierochloe alpina | Fjellmarigras |  |
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| Hippuris lanceolata | Brakkhesterompe | Lance-leaved Mare's-tail (CA) | |||
| Honckenya peploides ssp. diffusa | Strandarve | Sea sandwort | NT = Near Threatened |  |
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| Huperzia arctica | Polarlusegras | Mountain fir-moss (CA) |  |
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|
| Juncus albescens | Tundrasiv | Northern White Rush (US) | |||
| Juncus arcticus | Finnmarkssiv | VU = Vulnerable |  |
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| Juncus biglumis | Tvillingsiv |  |
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| Juncus leucochlamys | Kastanjesiv | EN = Endangered | |||
| Kobresia simpliciuscula ssp. subholarctica | Myrtust | Simple bog sedge | EN = Endangered |  |
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| Koenigia islandica |  |
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