What is "herbertus"

Herbertus is a genus of liverworts in the family Herbertaceae. The genus has a broad global distribution, including sixteen species that occur in Eurasia:

• Herbertus aduncus (Dicks.) Gray – North America and East Asia
• Herbertus armitanus (Steph.) H.A. Mill. – Indochina to Papua New Guinea
• Herbertus borealis Crundw. – Beinn Eighe, Scotland
• Herbertus buchii Juslén – Amur Province, Russia
• Herbertus ceylanicus (Steph.) Abeyw. – Sri Lanka, Indonesia, Malaysia
• Herbertus circinatus (Steph.) H.A. Mill. – Indonesia, Malaysia, Papua New Guinea and the Philippines
• Herbertus dicranus (Taylor ex Gottsche et al.) Trevis – western North America, East Asia, East Africa
• Herbertus guangdongii P.J. Lin & Piippo – Hainan Island, China
• Herbertus hutchinsiae (Gottsche) A. Evans – Ireland to Norway
• Herbertus kurzii (Steph.) R.S. Chopra – China, Bhutan, India and Nepal
• Herbertus longispinus Jack & Steph. – Taiwan, Indonesia, Malaysia and the Philippines
• Herbertus norenus D.G.Long, D.Bell & H.H.Blom – Shetland and Norway
• Herbertus pilifer (Steph.) H.A. Mill. – Indonesia, Malaysia and Papua New Guinea
• Herbertus ramosus (Steph.) H.A. Mill. – Sri Lanka, Thailand, Vietnam, Indonesia and Papua New Guinea
• Herbertus sendtneri (Nees) Lindb. – Austrian Alps, Asia, North America
• Herbertus stramineus (Dumort.) Trevis. – United Kingdom, Faroe Islands, Norway, Iceland and Alaska