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Williamsia
Merr.
,
Philipp. J. Sci., C
3: 165 (1908).
BHL
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External links to taxonomic opinions:
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POWO
IPNI Life Sciences Identifier (LSID)
urn:lsid:ipni.org:names:35536-1
Publication
Philippine Journal of Science. Section C, Botany. Manila
Collation
3: 165
Family as entered in IPNI
Rubiaceae
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