As defined by the Cleasby & Vigfusson Old Norse to English dictionary:
- trolla-grös (trolla-grǫs)
- n. pl., botan. lichen rangiferinus, Hjalt.
Orthography: The Cleasby & Vigfusson book used letter ö to represent the original Old Norse vowel ǫ. Therefore, trolla-grös may be more accurately written as trolla-grǫs.
Possible runic inscription in Younger Futhark:ᛏᚱᚢᛚᛚᛅ-ᚴᚱᚢᛋ
Younger Futhark runes were used from 8th to 12th centuries in Scandinavia and their overseas settlements
Works & Authors cited:
- Hjaltalín, Icelandic Botany.