Jacob Koopman

English Language Editor of the journal “Nature Conservation Research”

Academic degree, title, position: PhD degree; freelance scientist from the Netherlands, living in Poland since 2005.

Research interests: Vascular plants in general, the genus Carex (Cyperaceae) in Europe in particular; Bryophyta.

Scientometric indicators: Web of Science (h=6, Documents by author: 27, Total citations: 86); Scopus (h=6, Documents by author: 36, Total citations: 105).

Publication activity: Jacob Koopman is author of more than 70 articles (23 from A-list), 18 reports, 2 books, 3 chapters of books, 2 posters.

Web-pages: ResearchGate, Publons, Scopus.

Selected publications

  • Vitek E., Koopman J., Więcław H. 2020. Carex punctata (Cyperaceae) at the Marchfeldkanal, a newcomer to the flora of Vienna. Neilreichia 11: 159–164. DOI: 10.5281/zenodo.4016767
  • Więcław H., Kalinka A., Koopman J. 2020. Chromosome numbers of Carex (Cyperaceae) and their taxonomic implications. PLoS ONE 15(2): e0228353. DOI: 10.1371/journal.pone.0228353
  • Koopman J., Więcław H., Govaerts R. 2021. (2796) Proposal to conserve the name Carex krausei (Cyperaceae) with that spelling. Taxon 70: 205-206. DOI: 10.1002/tax.12433
  • Koopman J., Aleksanyan T., Aleksanyan A., Fayvush G., Oganesian M., Vitek E., Więcław H. 2021. The genus Carex (Cyperaceae) in Armenia. Phytotaxa 494: 1-41.
  • Terlević A., Koopman J., Więcław H., Rešetnik I., Bogdanović S. 2021. Carex phyllostachys (Cyperaceae), a new species in Croatia. Acta Botanica Croatica 80(1): 106–111. DOI: 10.37427/botcro-2021-002
  • Denchev T.T., Denchev C.M., Koopman J., Begerow D., Kemler M. 2021. Host specialization and molecular evidence support a distinct species of smut fungus, Anthracoidea hallerianae (Anthracoideaceae), on Carex halleriana (Cyperaceae). Willdenowia 51: 57–67.
  • Więcław H., Szenejko M., Kull T., Sotek Z., Rębacz-Maron E., Koopman J. 2021. Morphological variability and genetic diversity in Carex buxbaumii and Carex hartmaniorum (Cyperaceae) populations. PeerJ 9: e11372. DOI: 10.7717/peerj.11372
  • Więcław H., Bosiacka B., Hrivnák R., Dajdok Z., Mesterházy A., Koopman J. 2022. Morphological variability of Carex buekii (Cyperaceae) as a function of soil conditions: a case study of the Central European populations. Scientific Reports 12(1): 1–12. DOI: 10.1038/s41598-022-15894-0
  • Koopman J., Więcław H., Kobierski P. 2022. Carex section Ammoglochin (Cyperaceae) in Poland. Phytotaxa 575(1): 1-34. DOI: 10.11646/phytotaxa.575.1.1
  • Řepka R., Więcław H., Koopman J. 2023. Lectotypification of the name Carex curvata Knaf (Cyperaceae) with some taxonomic remarks. Phytotaxa 592(1): 68-72. DOI: 10.11646/phytotaxa.592.1.6
  • Danylyk I.M., Koopman J. 2023. Cyperaceae of Ukraine: taxonomy and linear classification. Phytotaxa 578(1): 93-111. DOI: 10.11646/phytotaxa.578.1.5
  • Peregrym M., Koopman J. 2023. Carex × takhtadjanii (Carex diluta × C. distans; Cyperaceae), a new hybrid for the flora of Ukraine. Hacquetia 22(1): 91–96.
  • Koopman J., Więcław H., Cembrowska-Lech D. 2023. Intersectional hybrids of Carex remota with C. otrubae and C. vulpina (Cyperaceae) in Europe. Botanical Journal of the Linnean Society 203(4): 350–369, DOI: 10.1093/botlinnean/boad039
  • Diemeer J., Koopman J. 2023. Carex bohemica (Cyperaceae) ‒ Cyperzegge, nieuw voor Nederland. Gorteria 45(1): 105–109.
  • Koopman J., van Beusekom F., Więcław H. 2022. Carex ×parentii hybr. nov. (= C. colchica × C. pseudobrizoides; Cyperaceae), new for the Netherlands since 1954. Gorteria 44(1): 50–61.
  • Koopman J., Więcław H., Waltje H. 2021. Carex × terschellingensis hybr. nov. [= Carex acuta × C. trinervis] and Carex × reichgeltii hybr. nov. [= Carex acuta × C. aquatilis], Cyperaceae, found in the Netherlands. Gorteria 43(1): 27–34.
  • Więcław H., Kalinka A., Koopman J. 2020. Chromosome numbers of Carex (Cyperaceae) and their taxonomic implications. PLoS ONE 15(2): e0228353. DOI: 10.1371/journal.pone.0228353
  • Koopman J., Niketić M., Więcław H., Govaerts R. 2019. Nomenclatural and taxonomic notes on Carex lazarei nom. nov. (Cyperaceae). Phytotaxa, 422(3): 295–297. DOI: 10.11646/phytotaxa.422.3.9
  • Więcław H., Šumberová K., Bosiacka B., Hrivnák R., Dajdok Z., Mesterházy A., Minuzzo C., Martinetto E., Koopman J. 2019. Ecology, threats and conservation status of Carex buekii (Cyperaceae) in Central Europe. Scientific Reports 9(1): 11162. DOI: 10.1038/s41598-019-47563-0
  • Koopman J., Kalinowski P., Stech M., Więcław H. 2019. Carex ×kneuckeri, a hybrid new for central Europe and neotypification of this name. Preslia 91: 161–177. DOI: 10.23855/preslia.2019.161
  • Koopman J., Timmerman A., Hosper U., Więcław H. 2019. Distribution, ecology and morphology of three Ceratocystis hybrids in the Province of Fryslân, the Netherlands (Carex, Cyperaceae). Gorteria 41(1): 14–20.
  • Koopman J., Więcław H. 2019. The section Ceratocystis (Carex, Cyperaceae) in the Netherlands. Gorteria 41: 1-13.
  • Koopman J., Kalinowski P., Stech M., Więcław H. 2019. Carex × kneuckeri (Cyperaceae), a hybrid new for central Europe and neotypification of this name. Preslia 91: 161-177.
  • Więcław H., Kalinka A., Koopman J. 2020. Chromosome numbers of Carex (Cyperaceae) and their taxonomic implications. PLoS ONE 15(2): e0228353.
  • Koopman J., Dajdok Z., Więcław H., Martinetto E., Grulich V., Řepka R., Jiménez-Mejías P. 2018. Global distribution of Carex buekii (Cyperaceae) reappraised. Phytotaxa 358(2): 139-161. DOI: 10.11646/phytotaxa.358.2.3
  • Nobis M., Domina G., Meço M., Mullaj A., Bazan G., Ebel A.L., Király G., Erst A., Nowak A., Sukhorukov A.P., Pospelova E.B., Pospelov I.N., Vasjukov V.M., Piwowarczyk R., Seregin A.P., Király A., Kushunina M., Liu B., Molnár A.V., Olonova M., Óvári M., Paszko B., You-Sheng C., Verkhozina A.V., Zykova E.Yu., Klichowska E., Nobis A., Wróbel A., Aydın Z.U., Dönmez A.A., Garakhani P., Koopman J., Korolyuk A., Oklejewicz K., Qasimova T., Wang W., Więcław H., Wolanin M., Xiang K. 2018. Contribution to the flora of Asianand European countries: new national and regional vascular plant records, 7. Botany Letters DOI: 10.1080/23818107.2017.1415817
  • Więcław H., Kurnicki B., Bihun M., Białecka B., Koopman J. 2017. Carex section Racemosae (Cyperaceae) in Europe: morphological diversity, taxonomy and phylogenetic relationships. Botanical Journal of the Linnean Society 183(1): 124–145. DOI: 10.1111/boj.12490
  • Koopman J., Więcław H. 2017. The section Phaestoglochin (Carex, Cyperaceae) in the Netherlands. Gorteria 39: 79–87.
  • Koopman J., Więcław H. 2016. The section Ammoglochin Dum. (Carex, Cyperaceae) in the Netherlands. Gorteria 38(2): 43–55.
  • Koopman J., Więcław H., Wilhelm M. 2016. Distribution of Carex pallidula (Cyperaceae) in Europe. Acta Societatis Botanicorum Poloniae 85(3): 3512. DOI: 10.5586/asbp.3512
  • Koopman J., Wiecław H., Fayvush G., Oganesian M.E., Aleksanyan A., Vitek E. 2016. New records of Carex (Cyperaceae) for the flora of Armenia. Annalen Naturhist. Museum Wien, B 118: 189–193.
  • Ul. Haq E., Dar G.H., Wafai B.A., Koopman J. 2016. The Genus Carex L. (Cyperaceae) in the Kashmir Himalaya, India. Dehra Dun, India: Bishen Singh Mahendra Pal Singh.
  • Koopman J. 2015. Lectotypification of Carex nemorosa var. cuprina and clarification of C. cuprina (Cyperaceae. Willdenowia 45(1): 97–101.
  • Koopman J., Więcław H., Govaerts R. 2015. (2367) Proposal to conserve Carex leersii, nom. cons. (Cyperaceae) against an additional name, C. cuprina. Taxon 64(4): 847–848.
  • Koopman J. 2015. Allochtone Zeggen (Carex-soorten) in Nederland. Gorteria 37(3): 73–83.
  • Koopman J. 2015. Boekbespreking: J.T. Hermans & P.B.T.H. Spreuwenberg. Zeggen van Limburg. Gorteria 37(6): 190–191
  • Koopman J., Wiecław H., Fayvush G., Vitek E. 2015. Carex hartmanii Cajander (Cyperaceae) in Armenia. Annalen Naturhist. Museum Wien, B 117: 143–146.
  • Koopman J. 2015. Carex Europaea, The genus Carex L. (Cyperaceae) in Europe, volume 1. Accepted names, hybrids, synonyms, distribution, chromosome numbers. Weikersheim (DE): Margraf Publishers. 2nd Ed., as e-book.
  • Koopman J., Smith C., Blackstock N. 2014. Carex tomentosa versus C. filiformis (Cyperaceae): the long-standing debate comes to its happy end. Nordic Journal of Botany 32(5): 667–670
  • Jiménez-Mejías P., Hilpold A., Frajman B., Puşcaş M., Koopman J., Mesterházy A., Grulich V., Lye K.A., Martín-Bravo S. 2014. Carex cespitosa: reappraisal of its distribution in Europe. Willdenowia 44: 327–343.
  • Jansen J., Koopman J. 2014. Carex depauperata Curtis & Stokes (Cyperaceae), a new species for Portugal. Notas do Herbário Florestal do INIAV (LISFA): Fasc. XXXVIII. Silva Lusitanica 22(1): 135–137.
  • Koopman J., Jacobs I., Verloove F. 2014. Carex melanostachya (Cyperaceae), standhoudend in Antwerpen-Linkeroever (België). Dumortiera 105: 3–8.
  • Koopman J., van Beusekom C.F., Poelstra W., Zijlstra O.G. 2013. Carex colchica J. Gay: kilometervreter. Gorteria 36: 53–59.
  • Więcław H., Koopman J. 2013. Numeral analysis of morphology of natural hybrids between Carex hostiana and the members of Carex flava agg. (Cyperaceae). Nordic Journal of Botany 31: 464–472.
  • Plášek V., Ochyra R., Smoczyk M., Wiaderny A., Koopman J. 2013. Recent rediscovery of the epiphytic moss Orthotrichum pulchellum Brunt. in Poland. Casopis slezskeho zemskeho muzea (A) 62(2): 97–100. DOI: 10.2478/cszma-2013-0010
  • Koopman J., Poelstra W. 2013. De Valse zandzegge (Carex pseudobrizoides) nieuw voor Fryslân. Twirre 23: 28–29.
  • Koopman J. 2011. Carex × ploegii hybr. nov. [= Carex otrubae Podp. × C. paniculata L.] (Cyperaceae). Gorteria 35: 174–180.
  • Koopman J., Topić J. 2011. Carex punctata Gaudin (Cyperaceae), a new species in the Croatian flora. Natura Croatica 20: 225–228.
  • Koopman J. 2011. Carex Europaea, The genus Carex L. (Cyperaceae) in Europe, volume 1. Accepted names, hybrids, synonyms, distribution, chromosome numbers. Weikersheim (DE): Margraf Publishers. Available from http://shop.margraf-publishers.net/index.php?id=80...
  • Koopman J. 2010. Carex-hybriden in Nederland. Gorteria 34: 159–169.
  • Koopman J., Waltje H. 2008. Mossen in Fryslân, een tussenstand (2). Twirre 19(1): 22–24.
  • Koopman J., Waltje H. 2007. Mossen in Fryslân, een tussenstand (1). Twirre 18(1): 32–37.
  • Koopman J., Krol M., Papenburg G., Waltje H. 2007. Bleke zegge in Fryslân. Twirre 18(1): 1–19.
  • van Tooren B.F., Sparrius L.B. (Eds.). 2007. Voorlopige verspreidingsatlas van de Nederlandse mossen. Bryologische en Lichenologische Werkgroep van de KNNV (NL). (Co-author of the book)
  • Koopman J., Waltje H. 2006. Excursieverslag van zaterdag 26 februari 2005: dagje Fryslân. Buxbaumiella 76: 61–63.
  • Koopman J., Waltje H., Weeda E.J. 2006. Leucodon sciuroides (Hedw.) Schwägr. (Eekhoorntjesmos) in Nederland. Buxbaumiella 74: 21–44.
  • Koopman J., Waltje H. 2005. Bazzania trilobata (L.) S.F. Gray, nieuw voor Fryslân. Buxbaumiella 70: 10–18.
  • Koopman J. 2003. Veenmossen in Fryslân. Twirre 14(1): 7–10.
  • Koopman J., Waltje H. 2002. De Bryoflora van het Zalkerbos (Ov.). Buxbaumiella 60: 28–34.
  • Koopman J. 2001. Thujamos: fraaie bryologische vondst. Twirre 12(5): 158.
  • Koopman J., Weeda E.J. 2001. Cryphaea heteromalla (Hedw.) Mohr in Nederland, vroeger en thans. Buxbaumiella 55: 31–48.
  • Rintjema S., Claassen T.H.L., Hettema H., Hosper U.G., Wymenga E. (Eds). 2001. De Alde Feanen, schets van een laagveenmoeras. Leeuwarden (NL): It Fryske Gea & Friese Pers Boekerij. (Co-author of the book)
  • Koopman J. 2000. Mossenonderzoek in Fryslân. Twirre 11(3): 11–12.
  • Koopman J. 2000. Het wilgenbroekstruweel van de Kooiwaard, Friesland. Buxbaumiella 51: 19–24.
  • Koopman J., Meijer K. 1999. Ptilidium crista-castrensis als facultatieve epifyt. Buxbaumiella 48: 19–20.
  • Koopman J. 1998. Eernewoude, 11.13.52. Buxbaumiella 47: 23–28.
  • Koopman J., Meijer K. 1995. De flora van de Waddeneilanden. Gorteria 21: 165–168.
  • Koopman J., Meijer K. 1995. Toename van kapselvorming bij mossen? Buxbaumiella 38: 42–46.
  • Koopman J., Meijer K. 1995. Het najaarsweekend 1993 in Drenthe. Buxbaumiella 37: 47–52.
  • Koopman J. 1994. Het is met zeggen niet te doen / 't Is mei sizzen net to dwaen. Gorteria 20: 73–78.
  • Bremer P., Koopman J. 1994. De verspreiding van Dryopteris pseudomas (Wollaston) Holub & Pouzar in Nederland. Gorteria 20: 135–139.
  • Koopman J. 1994. Gewoon Thujamos, een tussenstand. Twirre 5(1): 14–15.
  • Koopman J., Meijer K. 1994. Floristische Inventarisatie Terschelling. Twirre 5(1): 14.
  • Koopman J., Meijer K. 1994. Mossen-project Friesland. Twirre 5(2): 10.
  • Koopman J., Meijer K. 1994. Actie voor Estland een succes. Buxbaumiella 33: 67.
  • Koopman J., Meijer K. 1994. Thuidium tamariscinum in Friesland. Buxbaumiella 33: 61–66.
  • Koopman J., Meijer K. 1994. Mossenproject in Friesland. Buxbaumiella 33: 33–34.
  • Koopman J. 1993. Op zoek naar Gewoon Thujamos. Twirre 4(1): 13–15.
  • Koopman J., Meijer K. 1993. Mossen in Friesland, bryologische kanttekeningen. Buxbaumiella 31: 43–49.
  • Koopman J., Meijer K. 1993. Oproep aan een ieder (actie voor mossenstudie Estland). Buxbaumiella 30: 29–30.
  • Koopman J., Meijer K. 1993. Bryologische impressies uit Estland. Buxbaumiella 30: 23–28.
  • Koopman J., Meijer K. 1992. Tortula intermedia (Brid.) De Not. var. calva (Dur. et Sag.) Wijk et Marg. nieuw voor Nederland. Buxbaumiella 29: 9–10.
  • Koopman J., Meijer K. 1992. De mosflora van iepen in Midden-Friesland. Buxbaumiella 28: 17–23.
  • Koopman J., Meijer K. 1992. Mossenprojekt Friesland. Vorderingen en resultaten van de regionale mosseninventarisatie van Zuid-Frieland. Buxbaumiella 27: 22–24.
  • Koopman J., Meijer K. 1991. Opsporing verzocht! De Grote Egelskop. Twirre 2(2): 14.
  • Koopman J., Meijer K. 1991. Mossen-projekt Friesland, aflevering 1. Twirre 2(1): 11–13.
  • Koopman J., Meijer K. 1990. Floron in Friesland. Twirre 1(2): 13.
  • Koopman J., Meijer K. 1990. Liefdesgrassen gezocht! Twirre 1(2): 12–13.
  • Koopman J., Meijer K. 1990. Het herbarium. Twirre 1(1): 1–5.
  • Koopman J. 1990. Het najaarsweekend 1989 in Gaasterland. Buxbaumiella 23: 51–59.
  • Koopman J., Meijer K. 1989. Enkele opmerkingen over de epifytische mosflora van Friesland. Gorteria 15: 57–59.
  • Hosper U.G., Koopman J. 1989. Veranderingen in de flora van Friesland. Vanellus 42(2): 46–51.
  • Koopman J., Meijer K. 1989. Nieuws uit het Planteferbân, FLORON-nieuws. Twirre 12(2): 17–19.
  • Koopman J., Meijer K. 1988. Mosseninventarisatie Friesland. Twirre 11(1): 13–16.
  • Koopman J. 1988. Carex pallescens in Friesland. Twirre 11(1): 10–12.
  • Koopman J. 1986. Carex pallescens L. opnieuw in Friesland gevonden. Gorteria 13: 46.
  • Koopman J. 1986. De Kostgangerboleet (Xerocomus parasiticus) in Friesland. Twirre 9(1): 17–19.
  • Koopman J. 1986. Nieuws van het Plantenferbân. Twirre 9(1): 14–17.
  • Koopman J. 1986. Aanvullingen flora in uurhokken 16–12 en 16–13. Twirre 8(4): 29–32.
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