Coryphantha scheeri var. robustispina

Year
1995

Citation

Schmalzel, Robert. 1995. Survery Report on Corphantha scheeri var, robustispina. United States Forest Service (USFS) Regional Office, Albuquerque, NM. p.9.

Keywords

Coryphantha scheeri var. robustispina

Reference Code
U95SCH05NMUS

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Year
1992

Citation

Ecosphere Environmental Service. 1992. Range Study of Coryphantha scheeri var. robustispina. United States Forest Service (USFS) Regional Office, Albuquerque, NM. p.85.

Keywords

Coryphantha scheeri var. robustispina

Reference Code
U92EES01NMUS

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Year
1977

Citation

Unknown. 1977. Coryphantha scheeri var. robustispina. United States Forest Service (USFS) Regional Office, Albuquerque, NM. p.10.

Keywords

Coryphantha scheeri var. robustispina

Reference Code
U77UNK01NMUS

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Year
2001

Citation

Baker, Marc. 2004. Phenetic analysis of Coryphantha, section Robustispina, part 1: stem characters. United States Forest Service (USFS) Regional Office, Albuquerque, NM. p. 22.

Keywords

Coryphantha scheeri var. robustispina

Reference Code
U04BAK01NMUS

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Year
1993

Citation

Ecosphere Environmental Services. 1993. A survey for threatened and engandered plant species at three proposed reservoir sites and associated pipelines. United States Forest Service (USFS) Regional Office, Albuquerque, NM. p. 11.