Every reference with a DOI in the deposited reference list resolved to a known
work in Crossref or DataCite at the dated check, and none carried a retraction,
withdrawal, or removal notice.
The 46 references without a DOI — listed, not checked
no DOI — not checkedRubiaceae phylogeny based on rps16 sequence data
no DOI — not checkedRubiaceae
no DOI — not checkedEvaluation of the tribes Chiococceae, Condamineae and Catesbaeae (Rubiaceae) based on morphological characters.
no DOI — not checkedRondeletieae (Rubiaceae). Part 1.
no DOI — not checkedA re-examination of Portlandia (Rubiaceae) and associated taxa.
no DOI — not checkedA provisional checklist of Neotropical Rubiaceae.
no DOI — not checkedPhylogenetic studies within Rubiaceae and relationships to other families based on molecular data.
no DOI — not checkedThe Plant Book
no DOI — not checkedRubiaceae
no DOI — not checkedRubiaceae
no DOI — not checkedTribal, generic and specific relationships in the Rubioideae-Rubieae (Rubiaceae) based on sequence data of a cp DNA intergene region.
no DOI — not checked38
no DOI — not checkedMémoire sur la famille des Rubiacées
no DOI — not checkedRubiaceae.
no DOI — not checkedThe rps 16 intron and the phylogeny of the Rubiaceae.
no DOI — not checkedStudies in Rondeletieae (Rubiaceae), III. The genera Rogiera and Arachnothryx.
no DOI — not checkedThe taxonomy of the family Rubiaceae. (in Hungarian).
no DOI — not checkedHungarian contribution to the taxonomy of the family Rubiaceae. (in Hungarian).
no DOI — not checkedStudies in Rondeletieae (Rubiaceae), V. Los limites del género Suberanthus.
no DOI — not checkedThe genus Stenostomum C. F. Gaertn. (Rubiaceae) or the reconsideration of the new world Antirhea species.
no DOI — not checkedStudies in Rondeletieae (Rubiaceae), IV. A new genus: Javorkaea.
no DOI — not checkedThe African species of Oldenlandia L. sensu Hiern et. K. Schumann.
no DOI — not checkedRubiaceae (Part 2).
no DOI — not checkedA systematic study of the paleotropical genus Antirhea (Rubiaceae, Guettardeae).
no DOI — not checkedCurtis, W. (1851): <i>Botanical Magazine</i><b>77.t.</b> No. 7549.
no DOI — not checkedTropical woody Rubiaceae. Characteristic features and progressions. Contribution to a new subfamilial classification.
no DOI — not checkedIntroduction. Robbrecht, E. Advances in Rubiaceae macrosystematics.
no DOI — not checkedSupplement to the 1988 outline of the classification of the Rubiaceae. Index to genera. - In: Robbrecht, E. (ed.): Advances in Rubiaceae macrosystematics.
no DOI — not checkedThe Rondeletieae-Condamineeae-Sipaneeae complex (Rubiaceae).
no DOI — not checkedRubiaceae phylogeny based on trnL-F sequence data
no DOI — not checkedRubiaceae
no DOI — not checkedRubiaceae.
no DOI — not checkedRubiaceae. In: Maguire, B. et Wurdack, J. J. et al. (eds): Botany of the Guyana Highlands. Part IX.
no DOI — not checkedRubiaceae.
no DOI — not checkedUrban, I. (1923-1928): <i>Symbolae Antillanae IX</i>. - Leipzig.
no DOI — not checkedRemarks on the classification of the Rubiaceae.
no DOI — not checkedRubiaceae. Part 1.
no DOI — not checkedRubiaceae
no DOI — not checkedNomenclator of Mexican and Central American Rubiaceae.
no DOI — not checkedThe chloroplast atpâ-rbcL spacer in Rubiaceae.
no DOI — not checkedEstudio taxonómico del género Rondeletia L. s.l. (Rubiaceae)
no DOI — not checkedCatalogus Plantarum Cubensium
no DOI — not checkedRubiaceae
no DOI — not checkedRubiaceae.
no DOI — not checkedRubiaceae.
no DOI — not checkedRubiaceae. Flora of Guatemala, part XI, nos 1-3.
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