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IPNI (Feb 15, 2017)
Name accessed on 15 February 2017 in: The International Plant Names Index (2004 and onward). Published on the Internet http://www.ipni.org
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Mayer V & Ehrendorfer F 2013
Mayer V and Ehrendorfer F. 2013. The phylogenetic position of Pterocephalidium and the new African genus Pterothamnus within an improved classification of Dipsacaceae. Taxon 62(1): 112-126.
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TROPICOS (Nov 06, 2016)
Name accessed on 6 November 2016 in: Tropicos.org. Missouri Botanical Garden, 2008 - 4344 Shaw Boulevard, Saint Louis, Missouri 63110, U.S.A. on line at: http://www.tropicos.org/
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| LinkOut | Subject | LinkOut Provider |
| Pterocephalus hookeri (C.B. Clarke) Diels | taxonomy/phylogenetic | Encyclopedia of life |
| Pterocephalus hookeri ((C.B.Clarke) E.Pritz.) | herbarium/museum collections | PlantaeDB, University of Bucharest |
| Pterocephalus hookeri | taxonomy/phylogenetic | Plants of the World Online |
| Pterocephalus hookeri | taxonomy/phylogenetic | The International Plant Names Index |
| Pterocephalus hookeri (C. B. Clarke) E. Pritz. | taxonomy/phylogenetic | USDA-ARS GRIN Taxonomy |
Disclaimer: The NCBI taxonomy database is not an authoritative source for nomenclature or classification - please consult the relevant scientific literature for the most reliable information.
Reference: How to cite this resource - Schoch CL, et al. NCBI Taxonomy: a comprehensive update on curation, resources and tools. Database (Oxford). 2020: baaa062. PubMed: 32761142 PMC: PMC7408187.
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