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Detaljert systematikk:

Euphrasia adenocaulon (Legg til)
Euphrasia adenonota (Legg til)
Euphrasia ajanensis (Legg til)
Euphrasia alba (Legg til)
Euphrasia alpina (Legg til)
Euphrasia alsa (Legg til)
Euphrasia altaica (Legg til)
Euphrasia amblyodonta (Legg til)
Euphrasia amphisysepala (Legg til)
Euphrasia amurensis (Legg til)
Euphrasia andicola (Legg til)
Euphrasia anglica (Legg til)
Euphrasia antarctica (Legg til)
Euphrasia arctica (Legg til)
Euphrasia arguta (Legg til)
Euphrasia aristulata (Legg til)
Euphrasia atropurpurea (Legg til)
Euphrasia aurea (Legg til)
Euphrasia australis (Legg til)
Euphrasia azorica (Legg til)
Euphrasia bajankolica (Legg til)
Euphrasia bakurianica (Legg til)
Euphrasia bella (Legg til)
Euphrasia bhutanica (Legg til)
Euphrasia bicknellii (Legg til)
Euphrasia borneensis (Legg til)
Strandøyentrøst, Euphrasia bottnica (Legg til)
Euphrasia bowdeniae (Legg til)
Euphrasia brevilabris (Legg til)
Euphrasia brevipila (Legg til)
Euphrasia caespitosa (Legg til)
Euphrasia calida (Legg til)
Euphrasia callosa (Legg til)
Euphrasia cambrica (Legg til)
Euphrasia campbellae (Legg til)
Euphrasia caudata (Legg til)
Euphrasia celebica (Legg til)
Euphrasia ceramensis (Legg til)
Euphrasia cheesemanii (Legg til)
Euphrasia chitrovoi (Legg til)
Euphrasia chrysantha (Legg til)
Euphrasia chumbica (Legg til)
Euphrasia ciliolata (Legg til)
Euphrasia cisalpina (Legg til)
Euphrasia cockayniana (Legg til)
Euphrasia coerulea (Legg til)
Euphrasia collina (Legg til)
Euphrasia confusa (Legg til)
Euphrasia coreana (Legg til)
Euphrasia coreanalpina (Legg til)
Euphrasia crassiuscula (Legg til)
Euphrasia cucullata (Legg til)
Euphrasia culminicola (Legg til)
Euphrasia cuneata (Legg til)
Euphrasia curviflora (Legg til)
Euphrasia cuspidata (Legg til)
Euphrasia cyclophylla (Legg til)
Euphrasia daghestanica (Legg til)
Euphrasia davidssonii (Legg til)
Euphrasia debilis (Legg til)
Euphrasia densiflora (Legg til)
Euphrasia dinarica (Legg til)
Euphrasia disjuncta (Legg til)
Euphrasia disperma (Legg til)
Euphrasia drosocalyx (Legg til)
Euphrasia drosophylla (Legg til)
Euphrasia drucei (Legg til)
Euphrasia dunensis (Legg til)
Euphrasia dyeri (Legg til)
Euphrasia eichleri (Legg til)
Euphrasia eurycarpa (Legg til)
Euphrasia fangii (Legg til)
Euphrasia fedtschenkoana (Legg til)
Euphrasia flabellata (Legg til)
Euphrasia flava (Legg til)
Euphrasia flavescens (Legg til)
Euphrasia flavicans (Legg til)
Euphrasia foliosa (Legg til)
Euphrasia formosissima (Legg til)
Euphrasia forrestii (Legg til)
Euphrasia foulaensis (Legg til)
Euphrasia fragosa (Legg til)
Fjelløyentrøst, Euphrasia frigida (Legg til)
Euphrasia gibbsiae (Legg til)
Euphrasia glandulosodentata (Legg til)
Euphrasia grandiflora (Legg til)
Euphrasia grossheimii (Legg til)
Euphrasia hachijoensis (Legg til)
Euphrasia heslop-harrisonii (Legg til)
Euphrasia hibiscus (Legg til)
Euphrasia himalayica (Legg til)
Euphrasia hirtella (Legg til)
Euphrasia hookeri (Legg til)
Euphrasia hudsoniana (Legg til)
Euphrasia humifusa (Legg til)
Tromsøøyentrøst, Euphrasia hyperborea (Legg til)
Euphrasia iinumae (Legg til)
Euphrasia illyrica (Legg til)
Euphrasia imbricans (Legg til)
Euphrasia incisa (Legg til)
Euphrasia inopinata (Legg til)
Euphrasia insignis (Legg til)
Euphrasia integrifolia (Legg til)
Euphrasia integriloba (Legg til)
Euphrasia intricata (Legg til)
Euphrasia iranica (Legg til)
Euphrasia jacutica (Legg til)
Euphrasia jaeschkei (Legg til)
Euphrasia juzepczukii (Legg til)
Euphrasia karataviensis (Legg til)
Euphrasia kashmiriana (Legg til)
Euphrasia kemulariae (Legg til)
Euphrasia kingdon-wardii (Legg til)
Euphrasia kisoalpina (Legg til)
Euphrasia kjellbergii (Legg til)
Euphrasia krassnovii (Legg til)
Euphrasia kurramensis (Legg til)
Euphrasia laingii (Legg til)
Euphrasia lamii (Legg til)
Euphrasia lasianthera (Legg til)
Euphrasia laxa (Legg til)
Euphrasia lebardensis (Legg til)
Euphrasia liburnica (Legg til)
Euphrasia macrocalyx (Legg til)
Euphrasia macrodonta (Legg til)
Euphrasia marchesettii (Legg til)
Euphrasia marshallii (Legg til)
Euphrasia matsumurae (Legg til)
Euphrasia maximowiczii (Legg til)
Euphrasia meiantha (Legg til)
Euphrasia melanosticta (Legg til)
Euphrasia mendoncae (Legg til)
Euphrasia merrillii (Legg til)
Lyngøyentrøst, Euphrasia micrantha (Legg til)
Euphrasia microcarpa (Legg til)
Euphrasia microphylla (Legg til)
Euphrasia minima (Legg til)
Euphrasia mirabilis (Legg til)
Euphrasia mollis (Legg til)
Euphrasia monroi (Legg til)
Euphrasia mucronulata (Legg til)
Euphrasia multiflora (Legg til)
Euphrasia multifolia (Legg til)
Euphrasia muscosa (Legg til)
Euphrasia nankotaizanensis (Legg til)
Gråøyentrøst, Euphrasia nemorosa

Euphrasia nepalensis (Legg til)
Euphrasia nuristanica (Legg til)
Euphrasia oakesii (Legg til)
Euphrasia officinalis (Legg til)
Euphrasia onegensis (Legg til)
Euphrasia orthocheila (Legg til)
Euphrasia ossica (Legg til)
Euphrasia ostenfeldii (Legg til)
Euphrasia paghmanensis (Legg til)
Euphrasia papuana (Legg til)
Euphrasia parviflora (Legg til)
Euphrasia pectinata (Legg til)
Euphrasia peduncularis (Legg til)
Euphrasia perpusilla (Legg til)
Euphrasia petiolaris (Legg til)
Euphrasia petriei (Legg til)
Euphrasia philippii (Legg til)
Euphrasia philippinensis (Legg til)
Euphrasia phragmostoma (Legg til)
Euphrasia picta (Legg til)
Euphrasia pinifolia (Legg til)
Euphrasia platyphylla (Legg til)
Euphrasia portae (Legg til)

U.art Euphrasia portae subsp. italica (Legg til)

Euphrasia pseudokemeri (Legg til)
Euphrasia pseudomollis (Legg til)
Euphrasia pseudopaucifolia (Legg til)
Euphrasia pubescens (Legg til)
Euphrasia pubigera (Legg til)
Euphrasia putoranica (Legg til)
Euphrasia ramulosa (Legg til)
Euphrasia randii (Legg til)
Euphrasia rectiflora (Legg til)
Euphrasia regelii (Legg til)
Euphrasia remota (Legg til)
Euphrasia repens (Legg til)
Euphrasia retroticha (Legg til)
Euphrasia revoluta (Legg til)
Euphrasia rhumica (Legg til)
Euphrasia rivularis (Legg til)
Euphrasia rockii (Legg til)
Storøyentrøst, Euphrasia rostkoviana (Legg til)
Euphrasia rotundifolia (Legg til)
Euphrasia ruptura (Legg til)
Euphrasia salisburgensis (Legg til)
Euphrasia scabra (Legg til)
Euphrasia schischkinii (Legg til)
Euphrasia schlagintweitii (Legg til)
Euphrasia schugnanica (Legg til)
Skottlandsøyentrøst, Euphrasia scottica (Legg til)
Euphrasia scutellarioides (Legg til)
Euphrasia secundiflora (Legg til)
Euphrasia semipicta (Legg til)
Euphrasia setulosa (Legg til)
Euphrasia sevanensis (Legg til)
Euphrasia sibirica (Legg til)
Euphrasia simplex (Legg til)
Euphrasia sinuata (Legg til)
Euphrasia sosnowskyi (Legg til)
Euphrasia spatulifolia (Legg til)
Euphrasia spectabilis (Legg til)
Euphrasia striata (Legg til)
Vanlig øyentrøst, Euphrasia stricta (Legg til)
Euphrasia subarctica (Legg til)
Euphrasia subexserta (Legg til)
Euphrasia suborbicularis (Legg til)
Euphrasia svanica (Legg til)
Euphrasia syreitschikovii (Legg til)
Euphrasia tarokoana (Legg til)
Euphrasia taurica (Legg til)
Euphrasia tetraquetra (Legg til)
Euphrasia tirolensis (Legg til)
Euphrasia townsonii (Legg til)
Euphrasia transmorrisonensis (Legg til)
Euphrasia tranzschelii (Legg til)
Euphrasia tricuspidata (Legg til)
Euphrasia trifida (Legg til)
Euphrasia ussuriensis (Legg til)
Euphrasia vernalis (Legg til)
Euphrasia vigursii (Legg til)
Euphrasia villaricensis (Legg til)
Euphrasia vinacea (Legg til)
Euphrasia wettsteinii (Legg til)
Euphrasia willkommii (Legg til)
Euphrasia woronowii (Legg til)
Euphrasia x aequalis (Legg til)
Euphrasia x christii (Legg til)
Euphrasia x dilata (Legg til)
Euphrasia x gratiosa (Legg til)
Euphrasia x levieri (Legg til)
Euphrasia x pulchella (Legg til)
Euphrasia x reuteri (Legg til)
Euphrasia x trikoviana (Legg til)
Euphrasia x vestita (Legg til)
Euphrasia x villosa (Legg til)
Euphrasia yabeana (Legg til)
Euphrasia yezoensis (Legg til)
Euphrasia zelandica (Legg til)