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The Andean Botanical
Information System (ABIS) presents information from floristic and
systematic investigations of the flowering plants (phanerogams) of Andean
South America. Topics include selected geographic regions and groups of
Andean plants, flora of coastal Peru and Chile, floristic inventories
from a variety of habitats in northern Peru, bibliographic resources,
and searchable databases. |
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After 43 years of service, beginning 1 April 2021, Field Museum Curator Emeritus, Michael Dillon, took up residence in Arequipa, Peru, where he will reside as Visiting Scientist at the Instituto Científico Michael Owen Dillon (IMOD). While in residence, he is concentrating on monographic studies on Nolana (Solanaceae), Mniodes (Asteraceae), Paranephelius (Asteraceae), Cichorieae for the Flora de Peru, and floristics of southern Peru.
El Instituto Científico
Av. Jorge Chávez 610 - Cercado
Arequipa, Perú
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Guide to Field Museum Databases:
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Five years of collecting in the Alto Mayo forests yielded 2200 collections (plus duplicates) representing 125 families, 405 genera, and over 750 species. No fewer than 112 species from 41 families were added to the inventory for flowering plants for the Department of San Martin. Some 14 species were added as new records for the country of Peru, and 13 species were determined to be "new to science" (sp. nov.). This volume is dedicated to a principal collaborator, Dr. Isidoro Sánchez Vega (1938-2015), a Field Museum Research Associate. The book illustrates with photographs 76 flowering plant families and 198 species. A database for Alto Mayo plants contains 2162 records and 1475 images of digitized herbarium vouchers available via the internet. Click Here to Download 210 mm wide x 297 mm long, 420 pages, illustrated with 224 color photographs. ISBN: 978-0-578-97524-5 |
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Orders Apiales (Asterids I) & Gentianales (except Rubiaceae; Asterids II). 11 families with 1021 genera, including the Griseliniaceae. Identification keys are provided for families and genera, and likely phylogenetic relationships. |
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A new genus from the central Andes. Characterized among Andean Gnaphalieae by its dioecious or polygamo-dioecious breeding system most closely resembles Antennaria a northern hemispheric genus. |
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Impact of climate changes and land use in the
distribution of species of endemic genera of
Asteraceae from Arequipa |
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Major aims of the paper are to provide a nearly complete phylogeny of the Lucilia-group at generic level and discuss the evolutionary trends and taxonomic significance of achenial trichome morphology. Conducted a phylogenetic analysis of the New World Gnaphalieae with nrDNA (ETS, ITS) sequence data from 18 genera of the Lucilia-group and utilized results to examine morphological evolution of achenial trichome types and apical myxogenic cells. |
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Nuevas combinaciones en Belloa J. Rémy y nuevos diagnósticos de Andean Lucilia Cass. y Mniodes (A.Gray) Benth. (Gnaphalieae, Asteraceae)
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Una nueva especie endémica de Nolana (Solanaceae-Nolaneae) cerca de Iquique, Chile |
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Cuatro nuevas especies endémicas de Nolana (Solanaceae-Nolaneae) de Arequipa, Perú
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Diversidad Floristica de la Loma Cerro Campana, Prov. Dept. La Libertad, Trujillo - Peru S. Leiva G., M. Zapata C., G. Gayoso B., L. Chang C., M.O. Dillon, & V. Quipuscoa S. 2014. Arnaldoa 21(1): 187-220. |
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Diversidad de Plantas Vasculares de las Lomas de Yuta, Prov. de Islay, Arequipa, Peru, 2016 V. Quipuscoa S., C. Tejada P. C. Fernandez A., A. Pauca T. & M.O. Dillon. 2016. Arnaldoa 23(2): 517-546. |
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M. O. Dillon & F. Luebert. 2015. Gnaphaliothamnus nesomii (Asteraceae, Gnaphalieae), a new species from Guatemala and nomenclatorial changes. Click for pdf J. Bot. Res. Inst. Texas 9(1): 63–73. 2015. |
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Click for preprint pdf of J. Bot. Res. Inst. Texas 8(1): 47–55. 2014.
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Click for link to PhytoKeys 34: 1–13. doi: 10.3897/phytokeys.34.6151. |
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Floristic Checklist of the Peruvian Lomas Formations M.O. Dillon, S. Leiva G., M. Zapata C., P. Lezama A. & V. Quipusco S. 2011. Arnaldoa 18(1): 7-32. |
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Flora of the Lomas Formations |
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Flora of the Alto Mayo Cuenca |
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Flora of the Andean Montane Forests |
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Nomenclatural changes in Nolana Cambios nomenclaturales en Nolana |
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Una nueva especie de Magnolia (Magnoliaceae) del |
Tribe Liabeae - Chapter 27
[Note: pdf download 1.6 M] |
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Systematic placement and biogeographical
Federico Luebert, Jun Wen, & Michael O. Dillon |
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Molecular Phylogeny and Evolution
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Paranephelius & Pseudonoseris: |
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Phylogeny
of Nolana (Nolaneae, Solanoideae,
Solanaceae) as inferred from granule-bound |
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Five New Peruvian Nolana Species |
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Five New Chilean Nolana Species |
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Fieldiana volumes are actively
being digitized and placed on the internet.
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Contact:
dillon@sacha.org
Michael O. Dillon
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Last updated: Jauary 2021