Sphaerostephanos validus (Christ) Holttum Kew Bull. 34(2): 224 (1979)

Nomenclatural References

• literature : Holttum, R. E. (1979). Sphaerostephanos (Thelypteridaceae) in Asia, excluding Malesia. Kew Bulletin, 34(2), 221. https://doi.org/10.2307/4109988 DOI link extracted from micro citation.
• person : Konrad H. Christ (1833-1933) Based on occurrence of standard abbreviation 'Christ' in the authors string.
• person : Richard Eric Holttum (1895-1990) Based on occurrence of standard abbreviation 'Holttum' in the authors string.
• database : IPNI record: 17556990-1
• database : The Plant List version 1.0, record: ifn-51579
• database : The Plant List version 1.1, record: ifn-51579