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List of works by Ib Friis

(1312) Proposal to Reject the Name Pentocnide so as to Maintain Phenax (Urticaceae)

scientific article (publication date: November 1997)

(1581) Proposal to Conserve the Name Capparis cartilaginea against C. inermis (Capparaceae)

scientific article (publication date: May 2003)

(3001) Proposal to conserve the name <i>Jatropha pelargoniifolia</i> against <i>Adenoropium forskaolii</i> (<i>Euphorbiaceae</i>)

scientific article published in 2023

(733) Proposal to Conserve 1648 Graphorkis (Orchidaceae) with a Conserved Type

scientific article (publication date: February 1984)

A New Name in Pouzolzia (Urticaceae)

scientific article

A New Species of Boehmeria (Urticaceae), B. Burgeriana Wilmot-Dear, Friis & Kravtsova, Endemic to Costa Rica

scientific article published in 2003

A Note on Effective Publication

scientific article (publication date: May 1981)

A Reconsideration of Pittosporum in Africa and Arabia

scientific article published in 1987

A Reconsideration of the Genera Monotheca and Spiniluma (Sapotaceae)

scientific article

A Revision of Pilea (Urticaceae) in Africa

scientific article published in 1989

A Synopsis of Girardinia (Urticaceae)

scientific article

A Synopsis of Obetia (Urticaceae)

scientific article

A Synopsis of Pouzolzia Gaud. (Urticaceae) in Tropical Africa, with an Identification of P. erythraeae and P. piscicelliana

scientific article

A Synopsis of the Buxaceae in Africa South of the Sahara

scientific article

A nationwide assessment of the biodiversity value of Uganda's important bird areas network

scientific article

A new species of Kanahia (Asclepidiaceae) with a reconsideration of the genus

scientific article

A new species of Leucas, L. gypsicola (Lamiaceae), from gypsum outcrops in eastern Ethiopia

scientific article published on 22 November 2018

A revision of the tribe Forsskaoleae (Urticaceae)

scientific article published in February 1988

Additional Notes on Somalian Sapindaceae

scientific article

Additional observations on Dombeya kefaensis (Sterculiaceae) and the diversity of Dombeya in SW. Ethiopia

scientific article published in 2001

Alchornea cordifolia(Schumach. & Thonn.) Muell. Arg. (Euphorbiaceae), a disjunct Guineo-Congolian tree found in Ethiopia as dominant in riverine forest

scholarly article by Ib Friis & Timothy Harris published November 2013 in Webbia

An Analysis of the Protologues of New Genera with New Species in Forsskal's Flora Aegyptiaco-Arabica

scientific article (publication date: November 1984)

An additional note on the genus Droguetia (Urticaceae)

scientific article published in October 1990

Cenni monografici sul paese dei Gherire (Mogadiscio, 1938) – a pioneer work on the Gerire Hills in western Ogaden, south-eastern Ethiopia – introduced, translated and provided with annotations and a revision of the botanical collections

scientific article published in 2019

Coffee and qat on the Royal Danish expedition to Arabia – botanical, ethnobotanical and commercial observations made in Yemen 1762–1763

scholarly article by Ib Friis published April 2015 in Archives of Natural History

Combination of Sanger and target-enrichment markers supports revised generic delimitation in the problematic 'Urera clade' of the nettle family (Urticaceae)

scientific article published on 04 November 2020

Commiphora oddurensisChiov. andC. suffruticosaTeshome (Burseraceae): taxonomy, distribution, ecology and conservation status

scientific article published in 2013

Comparisons of Understorey Vegetation and Soil Fertility in Plantations and Adjacent Natural Forests in the Ethiopian Highlands

article by A. Michelsen et al published June 1996 in Journal of Applied Ecology

Conservation of the Ethiopian church forests: Threats, opportunities and implications for their management

scientific article

Continental-scale variability in browser diversity is a major driver of diversity patterns in acacias across Africa

article

Correspondence in forest species composition between the Vegetation Map of Africa and higher resolution maps for seven African countries

article

Crotalaria trifoliolata (Leguminosae: Papilionoideae), a previously incompletely known Ethiopian endemic rediscovered after 120 years

scientific article published in 2014

Current and Future Fire Regimes and Their Influence on Natural Vegetation in Ethiopia

scholarly article by P. van Breugel et al published 23 November 2015 in Ecosystems

Cypholophus anisoneurus comb. nov. - an endemic species of Urticaceae from Vanuatu and Solomon Islands hitherto misplaced in Boehmeria

scientific article

Cypholophus decipiens (Urticaceae): Taxonomy and Range of a Species Often Misplaced in Boehmeria

scientific article published in 1998

DEBREGEASIA AUSTRALIS SP. NOV. (URTICACEAE), WITH A NEW SYNOPSIS OF AND A NEW KEY TO THE GENUS

scientific article published in 2012

Diversity and endemism of the flora of Ethiopia and Eritrea: state of knowledge and future perspectives

Dombeya kefaensis, sp. nov. (Sterculiaceae) from SW. Ethiopia

scientific article

Drimia sudanica, nom. nov. (Hyacinthaceae), a rare species of the Sudanian grasslands

scientific article

Euphorbia venefica Trémaux ex Kotschy (Euphorbiaceae) and other shrub-like cylindrically stemmed Euphorbia with spirally arranged single spines

scientific article

Floristic diversity in fragmented Afromontane rainforests: Altitudinal variation and conservation importance

scholarly article by Christine B Schmitt et al published January 2010 in Applied Vegetation Science

Four new species of Aloe (Aloaceae) from Ethiopia, with notes on the ethics of describing new taxa from foreign countries

scientific article published in March 2011

Garcinia buxifolia Chiov. is Buxus hildebrandtii Baill. (Buxaceae)

scientific article published in 1984

Impacts of tree plantations in the Ethiopian highland on soil fertility, shoot and root growth, nutrient utilisation and mycorrhizal colonisation

scholarly article by Anders Michelsen et al published November 1993 in Forest Ecology and Management

Intermediate evergreen Afromontane forest (IAF) in northwestern Ethiopia: observations, description and modelling its potential distribution

Isert and Thonning's plants and Schumacher's Beskrivelse af Guineiske Planter (1827) – A Danish legacy to the study of the West African flora

scientific article published in 2021

Kalanchoe hypseloleuce (Crassulaceae), a new species from eastern Ethiopia, with notes on its habitat

scholarly article by Ib Friis et al published 19 May 2017 in Kew Bulletin

Knud Ib Christensen (1955–2012)

scientific article (publication date: 30 June 2014)

Linociera giordanoi (Oleaceae): The Correct Name for a Widespread African Species

scientific article published in 1975

Morphology and Anatomy of Fruits in Pouzolzia (Urticaceae) in Relation to Taxonomy

scientific article published in 2003

NEW SPECIES IN OLD WORLD BOEHMERIA (URTICACEAE)

scientific article

Name Changes for Well Known Species of Boehmeria (Urticaceae)

scientific article published in 1982

New Combinations in African Sapindaceae

scientific article published in 1996

New Taxa and Combinations in Tropical African Pilea (Urticaceae)

scientific article

New World Pouzolzia and Boehmeria (Urticaceae): a new species and new generic record for Paraguay, Pouzolzia amambaiensis, and additional observations on already described species of both genera

article

New light on R.E.G. Pichi Sermolli’s plants from the Lake Tana expedition in 1937 – an important collection from Ethiopia at theCentro Studi Erbario Tropicale(FT)

article

New taxa and combinations in Old World Urticaceae

scientific article published in 1987

Nomenclatural corrections to the taxonomic revision of The Old World species of Boehmeria ( Urticaceae , tribus Boehmerieae ) by Wilmot-Dear & Friis (2013)

scientific article published in 2014

Nomenclatural notes on the genus Pteranthus (Caryophyllaceae) with lectotypifications of the names Camphorosma pteranthus and Pteranthus trigynus, and comments on Forsskål's seeds sent from Egypt

scientific article (publication date: 28 August 2015)

Notes on Somalian Sapindaceae

scientific article published in 1981

Notes on the Botanical Collections and Publications of Pehr Forsskal

scientific article published in 1983

Notes on the Chenopodiaceae of Ethiopia, Somalia and Southern Arabia

scientific article published in July 1991

Old tropical botanical collections: how to improve their availability, comprehensibility and use in modern taxonomy?

scientific article published in 2017

POUZOLZIA FLORESIANA (URTICACEAE), A NEW SPECIES FROM FLORES, NUSA TENGGARA TIMUR (LESSER SUNDA ISLANDS), INDONESIA

scholarly article by C. M. Wilmot-Dear & Ib Friis published 18 June 2012 in Edinburgh Journal of Botany

POUZOLZIA RUGULOSA TRANSFERRED FROM BOEHMERIA, AND THE DISTINCTION BETWEEN BOEHMERIA AND POUZOLZIA ( URTICACEAE)

scientific article

Paraphyly of the genus Boehmeria (Urticaceae): a response to Liang et al. ‘Relationships among Chinese Boehmeria species and the evolution of various clade’

scientific article published in 2020

Pilea nguruensis (Urticaceae), a new species from the Eastern Arc Mountains, central Tanzania

scholarly article by Ib Friis et al published 9 May 2015 in Kew Bulletin

Plant diversity and regeneration in a disturbed isolated dry Afromontane forest in northern Ethiopia

article

Plants and vegetation of NW Ethiopia

Post-fire regeneration strategies and tree bark resistance to heating in frequently burning tropical savanna woodlands and grasslands in Ethiopia

article

Pouzolzia saxophilasp. nov. (Urticaceae tribe Boehmerieae) from Bahia, Brazil

scientific article published in 2014

Progress with the Botanical Exploration of Ethiopia and Eritrea during the Last Forty Years

scientific article published in 2001

Rafinesque's "Valentiana volubilis" and the Early Botanical Collections from Ethiopia

scientific article (publication date: May 1986)

Reconsideration of the African species Sesbania sudanica and S. hepperi (Leguminosae subfam. Papilionoideae) as to their variation in Ethiopia

scholarly article by S. Bidgood & I. Friis published June 2009 in Kew Bulletin

Salsola sp. A of Flora Zambesiaca from the coast of Mozambique is Caroxylon littoralis (Amaranthaceae subfam. Salsoloideae), hitherto only known from Madagascar

scholarly article by Ib Friis & Sune Holt published 8 December 2016 in Webbia

Sciaplea Rauschert (1982) Is a Synonym of Dialium L. (1767) (Fabaceae)

scientific article (publication date: August 1984)

Sesbania melanocaulis, sp. nov. (Leguminosae subfam. Papilionoideae) from SW. Ethiopia

scientific article

Soil seed bank dynamics of fire-prone wooded grassland, woodland and dry forest ecosystems in Ethiopia

article

Terminalia (Combretaceae) in northern tropical Africa: Priority and typification of T. schimperiana and T. glaucescens ; typification of other synonyms of T. schimperiana and of T. avicennioides

scientific article published on 22 February 2020

The Authority and Date of Publication of the Genus Casuarina and Its Type Species

scientific article (publication date: August 1980)

The Botanical Identity of the "Mimusops" in Ancient Egyptian Tombs

The Distribution of Phenax sonneratii and the Identity of Pouzolzia conulifera (Urticaceae)

scientific article published in 1993

The East African flora, and those who study it, have lost a great friend, Kew botanist Sally Bidgood 13 April 1948–18 March 2018

obituary

The Flora of Ethiopia and Eritrea project concluded with a fourth Flora of Ethiopia and Eritrea -symposium held in Uppsala, Sweden

scientific article published in 2009

The Gerire Hills, SE Ethiopia: ecology and phytogeographical position of an additional local endemic, Anacampseros specksii (Anacampserotaceae)

scientific article

The Gerire Hills, a SE Ethiopian outpost of the transitional semi-evergreen bushland: vegetation, endemism and three new species, Croton elkerensis (Euphorbiaceae), Gnidia elkerensis (Thymelaeaceae), and Plectranthus spananthus (Lamiaceae)

scientific article published in 2018

The Identity of Chiovenda's Species of Olea (Oleaceae)

scientific article published in 1987

The Identity of E. Chiovenda's Somalian Sapotaceae

scientific article published in 1985

The Identity of Hypseloderma jubense (Sapindaceae)

scientific article published in 1985

The New World species of Boehmeria and Pouzolzia (Urticaceae, tribus Boehmerieae). A taxonomic revision

scientific article published in 1996

The Old World species of Boehmeria (Urticaceae, tribus Boehmerieae). A taxonomic revision

scientific article published in 2013

The Old World species of Pouzolzia (Urticaceae, tribus Boehmerieae). A taxonomic revision

scientific article

The Rolf Dahlgren-Prize for 2014 Awarded to Vicki Funk

scientific article (publication date: 5 May 2015)

The Spelling of Pehr Forsskal's Family Name

scientific article (publication date: November 1984)

The Tropical East African Urticaceae as a sample plant biodiversity study: what does it show about taxa, habitats, existing scientific collections and protected areas?

scientific article published in 2008

The Two Alternative Systems of Nomenclature Proposed and Used for Orchids by Du Petit-Thouars, with Special Regard to Corymborkis Thouars

scientific article (publication date: May 1975)

The Typification and Identity of Three Species of Parietaria L. (Urticaceae), Ostensibly Described from South Africa

scientific article (publication date: November 1986)

The Typification of Capparis inermis Forssk., C. sinaica Veill. and C. cartilaginea Decne. (Capparaceae)

scientific article (publication date: May 2003)

The Typification of Forsskaolea viridis Ehrenb. ex Webb (Urticaceae)

scientific article (publication date: November 1982)

The Western Woodlands of Ethiopia – A study of the woody vegetation and flora between the Ethiopian Highlands and the lowlands of the Nile Valley in the Sudan and South Sudan.

The genus Urera (Urticaceae) in eastern tropical Africa

scientific article published in 1985

The genusPlumbago(Plumbaginaceae) in Ethiopia and Eritrea

scholarly article by Ib Friis et al published January 2012 in Webbia

The identity of Urera longifolia and U. oligoloba – a supplement to Chew's monograph of Laportea (Urticaceae)

scientific article

The lectotypification of two names referred by Linnaeus to the genus Illecebrum (Caryophyllales): Illecebrum benghalense and Iresine javanica, with comments on Aerva tomentosa

scientific article published in 2017

The transitional semi-evergreen bushland in Ethiopia: characterization and mapping of its distribution using predictive modelling

scholarly article by Paulo van Breugel et al published 4 January 2016 in Applied Vegetation Science

Two Notes on Urticaceae: A Correction in New World Pouzolzia, and a New Species Record of Droguetia for Madagascar

scientific article published in 2002

Two distinctive new species of Commicarpus (Nyctaginaceae) from gypsum outcrops in eastern Ethiopia

scholarly article by Ib Friis et al published 8 July 2016 in Kew Bulletin

Typification of Debregeasia longifolia and the status of Missiessya (Urticaceae: Boehmerieae)

scientific article (publication date: 17 June 2013)

Validation of Names of New Species by Reference to Previously Published Descriptions of New Genera without Valid Species Names

scientific article (publication date: May 1984)

Validity of Species Names Published by Forsskal and Aublet

scientific article (publication date: August 1984)