There are multiple artists with this name:

1) Herbarium is a dungeon synth project from Quebec, formed by Jason Browne. Bandcamp: https://realmofsleeprecords.bandcamp.com/album/of-aconitum

2) Herbarium is a grime project formed by Herbarii Travkin. Bandcamp: https://eco-futurism-corp.bandcamp.com/album/divine-herba

3) Herbarium was a Ukrainian post-black metal project formed by the members of Drudkh, Precambrian, Rattenfänger, etc. which released one EP titled Shepherds of Winds in 2015. This project changed names in 2017 to Windswept. The EP was re-released as a split with the project Old Silver Key in 2023. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.