Trollius acaulis Lindl. (E. Afghanistan to W. Nepal: Afghanistan, Nepal, Pakistan, West Himalaya as per POWO)
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Species with description from Flora of Pakistan (Distribution):
Trollius acaulis Lindl. (W. Himalaya from Kashmir to W. Nepal. Found in alpine meadows upto 4100 m)
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Species with distribution in annotated checklist of Flowering plants of Nepal (Distribution):
Trollius acaulis Lindl. (3600-3700 m; Himalaya (Kashmir to W. Nepal))
Trollius pumilus D. Don
Trollius pumilus forma pumilus D. Don (3500-5700 m; Himalaya (Nepal to Bhutan), S.E. Tibet, Assam, N. Burma, W. China)
Trollius pumilus forma sikkimensis (Bruhl) H. Hara (4300-5800 m; Himalaya (Kumaun to Bhutan), N. Assam, S. Tibet, W. China)
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Some species found in Indian Subcontinent with description & keys from Flora of China [Distribution]:
Trollius pumilus D. Don (Marshes, alpine grasslands; 2300–4800 m. S and SW Gansu, E and S Qinghai, Sichuan, Xizang [Bhutan, N Myanmar, Nepal, Sikkim])