Pedersen O (2020) Aquatic plants are influenced by the surrounding landscape. The Science Breaker, doi https://doi.org/10.25250/thescbr.brk374

Sand-Jensen K, Iversen LI, Båstrup-Spohr L, Pedersen O (2019) Vandplanternes særlige fotosyntese afgør, hvor de vokser ude i verden. Forskerzonen, 15th November 2019.

Pedersen O (2018) Interzoo 2018 - is no news good news? The Aquatic Gardener 31 (3) 18-25.

Pedersen O (2018) Ephemeral wetlands – a race against time for aquatic plants. The Aquatic Gardener 31 (2) 15-20.

Pedersen O (2018) Ranunculus lingua (L.) - Greater Spearwort growing under water. The Aquatic Gardener 31 (1) 25-28.

Pedersen O (2018) New CO2 microsensor reveals old secrets of plants. Botany ONE blog-post.

Pedersen O, Floytrup AH. (2017) The art of the planted aquarium 2017 - new concepts and new location. The Aquatic Gardener 30: 35-41.

Pedersen O, Hinke AB, Konnerup D, Winkel A. (2016a) Growing under water - how plants cope with low CO2. The Aquatic Gardener 29: 25-33.

Pedersen O, Baastrup-Spohr L, Madsen-Østerbye M, Kristensen E, Kragh T, Andersen MR, Andersen FØ, Sand-Jensen K. (2016b) Lobeliesøer – trusler og restaurering. Vand og Jord 23: 63-66.

Pedersen O. (2016) Tissue culture at Interzoo: pros and cons for the hobbyist. The Aquatic Gardener 29: 21-28.

Engesgaard P, Andersen FØ, Pedersen O, Kidmose J, Nilsson B. (2016) Hampen Sø - er Danmarks fjerde største lobeliesø truet af forurening med næringsstoffer? Geoviden 2016: 7-11.

Pedersen O, Floytrup A. (2014) The art of the planted aquarium 2014. The Aquatic Gardener 27: 6-11.

Pedersen O. (2014) The art of the planted aquarium 2014. Aquapets: 114-119.

Pedersen O. (2013) The art of the planted aquarium 2013. Aquapets: 106-117.

Pedersen O. (2013) Success with your planted aquarium? The Aquatic Gardener 26: 34-39.

Pedersen O. (2012) The art of the planted aquarium 2012. Aquapets: 96-101.

Pedersen O. (2012a) Zauberhafte Pflanzenaquarien. Aquaristik Fachmagazin 225: 64-69.

Pedersen O. (2012b) The art of the planted aquarium 2012. The Aquatic Gardener 25: 4-11.

Pedersen O, Christensen C. (2011) Wasserpflanzen in der Natur. Amazonas: 18-23.

Pedersen O, Andersen T, Christensen C. (2011) Kohlendioxid in bepflanzten Aquarien. Amazonas 7: 24-30.

Pedersen O. (2011a) The algal-free planted aquarium - grazing control. Aquapets: 92-97.

Pedersen O. (2011b) Vernal rock pools - nature's own nano aquarium. Aquapets: 106-111.

Pedersen O. (2011a) Das „algenfreie“ Aquarium. Aquaristik Fachmagazin 221: 56-59.

Pedersen O. (2011b) Lobelia lakes - the most beautiful natural aquascapes. The Aquatic Gardener 24: 33-40.

Pedersen O. (2011c) The algal-free planted aquarium - grazing control. The Aquatic Gardener 24: 32-39.

Pedersen O, Winkel A, Colmer TD. (2010a) Leaf gas films - a physical gill that improves underwater O2 and CO2 exchange of some wetland plants. The Aquatic Gardener 23: 32-39.

Pedersen O, Pulido C, Nicol D, Winkel A, Tuckett R. (2010b) Felsentümpel im Frühling – Nano-Aquarien in der Natur. Aqua Planta: 44-54.

Pedersen O. (2010a) Lobelia lakes - the most beautiful natural aquascapes. Aquapets: 102-107.

Pedersen O. (2010b) Lobelia lakes - the most beautiful natural aquascapes. Aqua Journal 179: 46-47.

Pedersen O. (2010a) Lobelia-Seen – zauberhafte Unterwasserlandschaften. Aquaristik Fachmagazin 215: 68-73.

Pedersen O. (2010b) Lobelia lakes. Underwater Photography 56: 66-69.

Pedersen O. (2010c) New plants at InterZoo 2010. The Aquatic Gardener 23: 7-15.

Pedersen O, Pulido C, Nicol D, Winkel A, Tuckett R. (2009) Vernal rock pools - nature's own nano aquaria. The Aquatic Gardener 22: 34-43.

Winkel A, Pedersen O. (2008) Root uptake of CO2 for use in shoot photosynthesis. The Aquatic Gardener 21: 11-17.

Pedersen O, Andersen T, Christensen C. (2008) Utricularia graminifolia Vahl, eine interessante fleischfressende Pflanze für das Aquarium. Aqua Planta 33: 13-16.

Pedersen O. (2008) Interzoo 2008 - small is beautiful. The Aquatic Gardener 21: 10-17.

Christensen C, Andersen T, Pedersen O. (2008) World field report #16. Aqua Journal 150: 48-49.

Christensen C, Andersen T, Pedersen O. (2008a) Hunting for Pogostemon helferi. The Aquatic Gardener 21: 31-41.

Christensen C, Andersen T, Pedersen O. (2008b) Auf der Suche nach Pogostemon helferi (Hook. f.) Press. Aqua Planta 33: 53-60.

Andersen T, Christensen C, Pedersen O. (2008a) World field report #17. Aqua Journal 151: 48.

Andersen T, Christensen C, Pedersen O. (2008b) World field report #15. Aqua Journal 149: 48.

Raun A-ML, Pedersen O. (2007) Organic sediments sometimes adversely affect root-formation of aquatic plants. The Aquatic Gardener 20: 7-12.

Pedersen O, Brodersen KP. (2007a) World field report #7. Aqua Journal 139: 48-49.

Pedersen O, Brodersen KP. (2007b) World field report #8. Aqua Journal 141: 48.

Pedersen O, Andersen T, Christensen C. (2007) CO2 in planted aquaria. The Aquatic Gardener 20: 24-33.

Pedersen O. (2007) Penguin Island - og havet omkring. My Planet: 35-37.

Andersen T, Christensen C, Pedersen O. (2007) Light - the driving force for growth of aquatic plants. The Aquatic Gardener 20: 26-35.

Andersen T, Christensen C, Pedersen O. (2006) Jagten på den nye Echinodorus. Gartnertidende 21.

Sand-Jensen K, Binzer T, Pedersen O, Borum J. (2005) Tvepibet lobelie - særegen og fascinerende. Urt 29: 65-71.

Pedersen O, Andersen T, Christensen C. (2005) Cryptocorynes of the Nam Lik watershed in north-western Laos. Aqua Planta & Reef Art.

Pedersen O, Andersen T, Christensen C. (2005) Cryptocorynes of the Nam Lik watershed in north-western Laos. The Aquatic Gardener 19: 24-31.

Pedersen O. (2005) Water bowls - an aquarium that fits in any place. Aqua Babble: 6-7.

Andersen T, Pedersen O, Andersen FØ. (2005) Udbredelsen af Strandbo før og nu. Vand og Jord 12: 136-139.

Pedersen O, Brodersen KP. (2003a) Spectacular underwater landscapes of arctic lakes. The Aquatic Gardener 16: 20-27.

Pedersen O, Brodersen KP. (2003b) Die atemberaubenden Unterwasserlandschaften arktischer See. Aqua Planta 28: 44-51.

Pedersen O, Brodersen KP. (2003c) Fantastiske undervandslandskaber i arktiske søer. Urt 27: 118-122.

Pedersen O. (2003) Allelopatia - Guerra chimica con le piante acquatiche. Aquarium Oggi 10: 22-26.

Pedersen O. (2003) Allelopathie – chemische Kriegsführung zwischen Wasserpflanzen. Aquaristik Fachmagazin 66: 168-172.

Pedersen O. (2002) Allelopathy - Chemical warfare between plants. The Aquatic Gardener 15: 7-16.

Pedersen O, Christensen C, Andersen T. (2001a) Interactions between CO2 and light stimulate the growth of aquatic plants. The Aquatic Gardener 14: 175-184.

Pedersen O, Christensen C, Andersen T. (2001b) Interactions between CO2 and light stimulate the growth of aquatic plants. Planted Aquaria 2: 22-32.

Pedersen O. (2001) Aufschlüsse über die Lebensgeschichte der Gelben Teichrose. Aqua Log News 38: 3.

Andersen T, Christensen C, Pedersen O. (2001) Virkningen af CO2 og lys på akvarieplanters vækst. Akvariebladet 33: 54-58.

Pedersen O, Christensen C, Andersen T. (2000a) Neue Erkenntnisse über CO2 und Licht im Pflanzenaquarium. Aquarium Heute 18: 543-545.

Pedersen O, Christensen C, Andersen T. (2000b) Wechselwirkungen zwischen CO2 und Licht stimulieren das Wachstum aquatischer Pflanzen. Aqua Planta 25: 148-155.

Pedersen O. (1998) Die Lebensgeschichte der Mummel (Nuphar lutea L.) enthüllt. Aqua Planta 23: 49-53.

Pedersen O. (1997) Livshistorien til den Gule Nøkkerosen. Nymphaea 36: 18-21.

Pedersen O. (1997) Water and gas transport in aquatic plants - the adaptation of higher plants to a life submerged in water. The Aquatic Gardener 10: 151-158.

Pedersen O. (1996) Das Geheimnis des Transportes von Wasser und Gas in Wasserpflanzen. Aquarium Heute 14: 374-377.

Sand-Jensen K, Pedersen O. (1995) Lobelia - en vedvarende fascination. Vand og Jord 3: 114&128.

Pedersen O, Sand-Jensen K. (1993) Luftåndedræt hos vandplanter og vandinsekter. Naturens Verden 7: 206-217.

Sand-Jensen K, GeertzHansen O, Pedersen O. (1991) Et éncellet dyr med egen urtehave. Naturens Verden 12: 432-439.