Reference health
The distribution of biodiversity richness in the tropics
15/15 checkable references clean · checked 2026-07-25
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.
17 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.
The 15 checked references that resolve
resolves10.1111/j.1095-8312.1969.tb00127.x
A numerical investigation of the biogeography of the butterfly fauna of India, and its relation to continental drift
resolves10.1111/j.1095-8312.1968.tb00975.x
Two approaches to zoogeography: a study based on the distributions of butterflies, birds and bats in the Indo-Australian area
resolves10.1111/jse.12302
The role of land bridges, ancient environments, and migrations in the assembly of the North American flora
resolves10.11646/phytotaxa.272.1.5
Counting counts: revised estimates of numbers of accepted species of flowering plants, seed plants, vascular plants and land plants with a review of other recent estimates
resolves10.1126/science.aao0398
An integrated assessment of the vascular plant species of the Americas
resolves10.1073/pnas.1421502112
A 17-My-old whale constrains onset of uplift and climate change in east Africa
resolves10.1111/jbi.12688
Origin and history of the Dahomey Gap separating West and Central African rain forests: insights from the phylogeography of the legume tree <i>Distemonanthus benthamianus</i>
resolves10.1007/s00606-014-1180-z
Odd man out: why are there fewer plant species in African rain forests?
The 17 references without a DOI — listed, not checked
no DOI — not checkedAfrican Plant Database (APD) Conservatoire et Jardin botaniques de la Ville de Genève and South African National Biodiversity Institute Pretoria (2020); www.ville-ge.ch/musinfo/bd/cjb/africa/.
no DOI — not checkedP. B. Phillipson S. Andriambololonera P. P. Lowry II N. Manjato N. Rabarimanarivo M. Rakotonirina N. Ravololomanana G. E. Schatz. The Madagascar Catalogue Progress to Date and Prospects for the Future (Abstracts XXI AETFAT Congress Nairobi Kenya 2017) pp. 241.
no DOI — not checkedC. Ulloa Ulloa P. Acevedo-Rodríguez S. Beck M. J. Belgrano R. Bernal P. E. Berry L. Brako M. Celis G. Davidse R. C. Forzza S. Robbert Gradstein O. Hokche B. León S. León-Yánez R. E. Magill D. A. Neill M. Nee P. H. Raven H. Stimmel M. T. Strong J. L. Villaseñor J. L. Zarucchi F. O. Zuloaga P. M. Jørgensen Vascular Plants of the Americas (VPA) Website Tropicos Botanical Information System at the Missouri Botanical Garden St. Louis Missouri USA (2020); www.tropicos.org/Project/VPA.
no DOI — not checkedN. Brummitt, A. C. Araújo, T. Harris, Areas of plant diversity—What do we know? Plants People Planet 2020, (2020).
no DOI — not checkedMadagascar Catalogue Catalogue of the Plants of Madagascar. Missouri Botanical Garden St. Louis U.S.A. & Antananarivo Madagascar (2020); www.tropicos.org/Project/Madagascar.
no DOI — not checkedP. Uetz P. Freed J. Hosĕk Eds. The Reptile Database 2019 (2020); www.reptile-database.org.
no DOI — not checkedR. I. Vane-Wright, Ecological and behavioural origins of diversity in butterflies. Symposia of the Royal Entomological Society of London 9, 56–70 (1978).
no DOI — not checkedR. I. Vane-Wright Butterflies (Natural History Museum London 2015) pp. 128.
no DOI — not checkedG. Lamas La sistemática sobre mariposas (Lepidoptera: Hesperioidea y Papilionoidea) en el mundo: Estado actual y perspectivas futuras in Contribuciones Taxonómicas en Órdenes de Insectos Hiperdiversos J. E. Llorente A. Lanteri Eds. (México DF Universidad Nacional Autónoma de México 2008). pp. 57–70 1 tab.
no DOI — not checkedAntWeb. Version 8.12.7. California Academy of Sciences (2020); www.antweb.org/.
no DOI — not checkedIUCN The IUCN Red List of Threatened Species (2018); https://www.iucnredlist.org.
no DOI — not checkedBirdLife International and Handbook of the Birds of the World Bird species distribution maps of the world . Version 2018.1. (2018); http://datazone.birdlife.org/species/requestdis.
no DOI — not checkedS. M. Goodman M. J. Raherilalao A. P. Raselimanana V. Roarimalala Chapter 18 Advances over the past 30 years on the land vertebrates occurring in the terrestrial protected areas of Madagascar in The Terrestrial Protected Areas of Madagascar: Their History Description and Biota S. M. Goodman M. J. Raherilalao S. Wohlauser Eds. (Western and Southern Madagascar – Synthesis 2018) vol. 3 pp. 1679–1705.
no DOI — not checkedInternational Plant Names Index (IPNI) Kew Science (2020); www.ipni.org.
no DOI — not checkedR. K. Robbins P. A. Opler Butterfly diversity and a preliminary comparison with bird and mammal diversity in Biodiversity II: Understanding and Protecting our Biological Resources M. L. Reaka-Kudla D. E. Wilson E. O. Wilson Eds. (Joseph Henry Press National Academy of Sciences Washington D.C. 1997) pp. 69–82.
no DOI — not checkedP. H. Raven Plate tectonics and southern hemisphere biogeography in Tropical Botany K. Larsen L. B. Holm-Nielsen Eds. (Academic Press 1979) pp. 3–24.
no DOI — not checkedP. H. Raven, D. I. Axelrod, History of the flora and fauna in Latin America. Am. Sci. 63, 420–429 (1975).
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work were clean at the dated check: each resolved to a known work in a public registry, and none
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