Sisymbrella aspera subsp. pseudoboissieri (Degen) Heywood Bull. Brit. Mus. (Nat. Hist.), Bot. 1: 108. 1954 (1954)

Nomenclatural References

• literature : Bull. Brit. Mus. (Nat. Hist.), Bot. 1: 108. 1954 (1954) BHL link from IPNI metadata.
• person : Árpád von Degen (1866-1934) Based on occurrence of standard abbreviation 'Degen' in the authors string.
• person : Vernon Heywood (b.1927) Based on occurrence of standard abbreviation 'Heywood' in the authors string.
• database : The Plant List v1.1 record kew-2871170
• database : The Plant List version 1.0, record: kew-2871170