Cystopteris fragilis f. himalayensis Bir & K.Trikha Amer. Fern J. 66(3): 110. 1976

Nomenclatural References

• literature : Amer. Fern J. 66(3): 110. 1976 BHL link from IPNI metadata.
• literature : Bir, S. S., & Trikha, C. K. (1976). Cystopteris fragilis in the Western Himalayas. American Fern Journal, 66(3), 109. https://doi.org/10.2307/1546924 DOI link imported from Page, R. (2023). doi:10.5281/zenodo.7974720
• person : Sarmukh Singh Bir (1929-2015) Based on occurrence of standard abbreviation 'Bir' in the authors string.
• database : IPNI record: 17557950-1