Botrychium schaffneri var. pusillum (Underw.) R.T.Clausen Mem. Torrey Bot. Club 19(2): 42 (1938)

Nomenclatural References

• literature : Mem. Torrey Bot. Club 19(2): 42. 1938 BHL link from IPNI metadata.
• person : Lucien Marcus Underwood (1853-1907) Based on occurrence of standard abbreviation 'Underw.' in the authors string.
• person : Robert Theodore Clausen (1911-1981) Based on occurrence of standard abbreviation 'R.T.Clausen' in the authors string.
• database : IPNI record: 35346-2
• database : The Plant List v1.1 record tro-26616975
• database : The Plant List version 1.0, record: tro-26616975