| Plante adventive în flora României C Sîrbu, A Oprea Editura" Ion Ionescu de la Brad, 2011 | 61 | 2011 |
| A preliminary study on the neophytes of wetlands in Romania P Anastasiu, G Negrean, C Başnou, C Sîrbu, A Oprea Biological invasions–From ecology to conservation (NEOBIOTA) 7, 181-192, 2007 | 56 | 2007 |
| New contribution to the study of alien Flora in Romania. S Culiţă, O Adrian, F Peter Journal of Plant Development 18, 2011 | 27 | 2011 |
| Two alien species in the spreading process in Romania: Reynoutria x bohemica Chrtek & Chrtková and Grindelia squarrosa (Pursh) Dunal C Sîrbu, A Oprea “Ion Ionescu de la Brad” University of Agricultural Sciences and Veterinary …, 2007 | 27 | 2007 |
| Current distribution and spreading of Euphorbia davidii (E. dentata agg.) in Europe Z Barina, M Shevera, C Sîrbu, G Pinke Central European journal of biology 8, 87-95, 2013 | 25 | 2013 |
| Neophyte invasion in Moldavia (eastern Romania) in different habitat types C Sîrbu, A Oprea, C Samuil, C Tănase Folia Geobotanica 47, 215-229, 2012 | 25 | 2012 |
| Analysis of airborne ragweed (Ambrosia artemisiifolia L.) pollen in Timişoara, 2004 N Ianovici, C Sîrbu Analele Universităţii din Oradea, Fascicula Biologie 14, 101-108, 2007 | 25 | 2007 |
| Influence of Fertilizers on the Biodiversity of Semi-natural Grassland in the Eastern Carpathians C Samuil, V Vintu, C Sirbu, M Stavarache Notulae Botanicae Horti Agrobotanici Cluj-Napoca 41 (1), 195-200, 2013 | 23 | 2013 |
| Sustainable Management of Nardus stricta L. Grasslands in Romania’ s Carpathians V Vintu, C Samuil, C Sirbu, CI Popovici, M Stavarache Notulae Botanicae Horti Agrobotanici Cluj-Napoca 39 (2), 142-145, 2011 | 22 | 2011 |
| The Romanian Grassland Database (RGD): Historical background, current status and future perspectives K Vassilev, E Ruprecht, V Alexiu, T Becker, M Beldean, AM Csergő, ... Phytocoenologia 48 (1), 91-100, 2018 | 21 | 2018 |
| Contribution to the study of plant communities dominated by Ailanthus altissima (Mill.) Swingle, in the Eastern Romania (Moldavia) C Sîrbu, A Oprea " Ion Ionescu de la Brad" University of Agricultural Sciences and Veterinary …, 2010 | 21 | 2010 |
| Chorological and p hytocoenological aspects regarding the invasion of some alien plants on the Romanian territory C Sirbu Acta horti botanici bucurestiensis, 59-67, 2008 | 21 | 2008 |
| New records in the alien flora of Romania (Artemisia argyi, A. lavandulaefolia) and Europe (A. lancea) C Sirbu, A Oprea Turkish Journal of Botany 35 (6), 717-728, 2011 | 20 | 2011 |
| Researches regarding alien plants from the left bank of the Tisa-river, between Valea Vişeului and Piatra (Romania) A Oprea, C Sîrbu Kanitzia, Szombathely 14, 45-56, 2006 | 18 | 2006 |
| Distribution and pathways of introduction of invasive alien plant species in Romania C Sîrbu, IV Miu, AA Gavrilidis, S Grădinaru, MI Niculae, C Preda, A Oprea, ... Pensoft Publishers, 2022 | 17 | 2022 |
| Behaviour of fodder mixtures with alfalfa in north-eastern Romania. C Samuil, V Vintu, C Sirbu, GM Surmei | 17 | 2012 |
| New alien species for the flora of Romania: Bidens bipinnata L.(Asteraceae) C SIRBU, A Oprea Turkish Journal of Botany 32 (3), 255-258, 2008 | 16 | 2008 |
| Reciprocal contamination by invasive plants: Analysis of trade exchange between Slovakia and Romania P Ferus, C Sîrbu, P Eliáš jr, J Konôpková, Ľ Ďurišová, C Samuil, A Oprea Biologia 70 (7), 893-904, 2015 | 15 | 2015 |
| Influence of sustainable fertilization on yield and quality food of Mountain Grassland C Samuil, M Stavarache, C Sirbu, V Vintu Notulae Botanicae Horti Agrobotanici Cluj-Napoca 46 (2), 410-417, 2018 | 14 | 2018 |
| Molecular diversity and phylogeny of indigenous Rhizobium leguminosarum strains associated with Trifolium repens plants in Romania RC Efrose, CM Rosu, C Stedel, A Stefan, C Sirbu, LD Gorgan, NE Labrou, ... Antonie Van Leeuwenhoek 111, 135-153, 2018 | 14 | 2018 |
Oprea ABiolog, Universitatea "Alexandru Ioan Cuza", Iasi, RomaniaVerified email at uaic.ro
