Morphometric variation in Coryphantha robustispina (Cactaceae)

Systematic Botany

Volumn 29, Issue 3, 2004, Pages 553-568

  Schmalzel, Robert J ^a   Nixon, Robert T ^a   Best, Amanda L ^a   Tress Jr , James A ^a  

^a WestLand Resources Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

CACTACEAE; CORYPHANTHA; CORYPHANTHA SCHEERI ROBUSTISPINA;

EID: 4444305200     PISSN: 03636445     EISSN: None     Source Type: Journal    
DOI: 10.1600/0363644041744356     Document Type: Article

References (18)

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3. rd Ed. Tucson: University of Arizona Press.
4. _. 1982. The cacti of the United States and Canada. Stanford: Stanford University Press.
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8. _. 1997. 1997 Refugia surveys in the Cayote Mountain and Santa Rita Experimental Range areas. Survey for Coryphantha scheeri var. robustispina. Final Report to U. S. Bureau of Reclamation, Contract No. 1-CS-32-01950.
9. th ed. Bronx: New York Botanical Garden.
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11. SCHMALZEL, R. J. and T. DIX. 1998. Establishment of a permanent plot for the study of pima pineapple cactus (Coryphantha scheeri var. robustispina (Schott) L. Benson) on the San Pedro-Milagro Pasture (King Anvil Ranch, southern Arizona), an analysis of survivorship after the 1995 pasture burn, and an initial analysis of the branching architecture of this cactus. Final Report to Arizona Department of Agriculture, Contract No. NPL96-97.6.
12. TAYLOR, N. P. 1998. Coryphantha robustispina (Engelm.) Britton & Rose: the correct name for the taxon variously known as C. scheeri Lemaire and C.muehlenpfordtii Britton & Rose (nom. illeg.). Cactus Consensus Initiatives 6: 17-18.
13. U.S. FISH AND WILDLIFE SERVICE. 1989. Delisting of Echinocereus engelmannii var. purpureus (purple-spined hedgehog cactus). Final rule. Federal Register 54(226): 48749-48751.
14. _. 1993a. Determination of endangered status for the plant Pima pineapple cactus (Coryphantha scheeri var. robustispina). Final rule. Federal Register 58(183): 49875-49880.
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16. _. 1996. Final rule to delist Bedens cuneata (cuneate bidens), a Hawaiian plant. Federal Register 61(25): 4372-4373.
17. _. 1999. Final rule to remove the plant Echinocereus Iloydii (Lloyd's hedgehog cactus) from the federal list of endangered and threatened plants. Federal Register 64(121): 33796-33800.
18. _. 2003. Delisting of the Berberis (=Mahonia) soiniei (Truckee barberry). Final rule. Federal Register 68(190): 56564-56567.