Echinocereus knippelianus subsp. kruegeri (Glass & R.A.Foster) W.Blum & Mich.Lange Echinocereus Monogr.: 246. 1998.

Nomenclatural References

• person : Charles Edward Glass (1934-1998) Based on occurrence of standard abbreviation 'Glass' in the authors string.
• person : Michael Lange (b.1971) Based on occurrence of standard abbreviation 'Mich.Lange' in the authors string.
• person : Robert Alan Foster (1938-2002) Based on occurrence of standard abbreviation 'R.A.Foster' in the authors string.
• person : Wolfgang Blum (b.1963) Based on occurrence of standard abbreviation 'W.Blum' in the authors string.
• database : The Plant List version 1.0, record: tro-50180757
• database : The Plant List version 1.1, record: tro-50180757