current LEO-entries:
Siehe Wörterbuch: Euphrasia
drug eyebright [bot.] = der Augentrost wiss.: Euphrasia officinalis
euphrasy [bot.] rare = der Augentrost wiss.: Euphrasia officinalis
eyebright [bot.] = der Augentrost wiss.: Euphrasia officinalis
eyebright [bot.] = Schlanker Augentrost wiss.: Euphrasia micrantha
drug eyebright [bot.] = Steifer Augentrost wiss.: Euphrasia stricta
Siehe Wörterbuch: common eyebright
common eyebright [bot.] = der Gemeiner Augentrost

See also: Siehe auch: Euphrasia - Augentrost

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http://oxforddictionaries.com/definition/eyebright?q=eyebright
eyebright
Pronunciation: /ˈʌɪbrʌɪt/
noun
[mass noun]
a small white-flowered plant of dry fields and heaths, traditionally used as a remedy for eye problems.
•Genus Euphrasia, family Scrophulariaceae: several species

http://oxforddictionaries.com/definition/eyebright?region=us&q=eyebright
eyebright
Pronunciation: /ˈīˌbrīt/
noun
a small plant of the figwort family with little snapdragonlike flowers. Found in dry fields and along roadsides, it was formerly used as a remedy for eye problems.
• Genus Euphrasia, family Scrophulariaceae: several species, in particular the European E. officinalis and the North American E. americana

http://www.merriam-webster.com/dictionary/eyebright
eye•bright noun \ˈī-ˌbrīt\
Definition of EYEBRIGHT
: any of a genus (Euphrasia) of semiparasitic herbs of the snapdragon family with spikelike racemes
First Known Use of EYEBRIGHT
1533

http://dictionary.reference.com/browse/eyebright?s=t
eye•bright [ahy-brahyt]
noun
1. any of various plants belonging to the genus Euphrasia, of the figwort family, as E. officinalis of Europe, formerly used for treating diseases of the eye.
[…]
Origin:
1525–35; eye + bright
Dictionary.com Unabridged
Based on the Random House Dictionary
[…]
World English Dictionary
eyebright (ˈaɪˌbraɪt)
— n
Also called: euphrasy any scrophulariaceous annual plant of the genus Euphrasia, esp E. nemorosa, having small white-and-purple two-lipped flowers: formerly used in the treatment of eye disorders
Collins English Dictionary - Complete & Unabridged 10th Edition

http://plants.usda.gov/java/profile?symbol=EUPHR
Euphrasia L.
eyebright

http://oxforddictionaries.com/definition/euphrasia?q=Euphrasia
euphrasia
Pronunciation: /juːˈfreɪzɪə/
noun
a plant of the genus Euphrasia in the figwort family, especially eyebright.
• [mass noun] a preparation of eyebright used in herbal medicine and homeopathy, especially for treating eye problems.
Origin:
early 18th century: via medieval Latin from Greek, literally ‘cheerfulness’, from euphrainein ‘gladden the mind’

http://dictionary.reference.com/browse/euphrasy
eu•phra•sy [yoo-fruh-see]
noun, plural -sies. Botany.
eyebright.
Origin:
1425–75; late Middle English eufrasie < Medieval Latin eufrasia < Greek euphrasía cheerfulness, gladness (Compare euphraínein to cheer, be glad)
Dictionary.com Unabridged
Based on the Random House Dictionary
[…]
World English Dictionary
euphrasy (ˈjuːfrəsɪ)
— n , pl -sies
another name for eyebright
[C15 eufrasie: from Medieval Latin eufrasia, from Greek euphrasia gladness, from euphrainein to make glad, from eu- + phrēn mind]
Collins English Dictionary - Complete & Unabridged 10th Edition

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http://www.floraweb.de/pflanzenarten/systematik2.xsql?suchnr=61208&taxname=Euphr...
Familie: Scrophulariaceae Juss.; Rachenblütler
Gattung: Euphrasia L.; Augentrost
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Euphrasia frigida Pugsley, Nordischer Augentrost
Euphrasia hirtella Jord. ex Reut., Zottiger Augentrost
Euphrasia micrantha Rchb., Schlanker Augentrost
Euphrasia minima agg. , Artengruppe Zwerg-Augentrost
Euphrasia minima Jacq. ex DC., Zwerg-Augentrost
Euphrasia nemorosa agg. , Artengruppe Hain-Augentrost
Euphrasia nemorosa (Pers.) Wallr. s. l., Hain-Augentrost
Euphrasia nemorosa subsp. coerulea (Hoppe & Fürnr.) Wettst., Blauer Hain-Augentrost
Euphrasia nemorosa subsp. nemorosa (Pers.) Wallr., Gewöhnlicher Hain-Augentrost
Euphrasia officinalis L. s. l., Großer Augentrost
Euphrasia officinalis subsp. kerneri (Wettst.) Eb. Fischer, Kerners Augentrost
Euphrasia officinalis subsp. picta (Wimm.) Oborny, Bunter Augentrost
Euphrasia officinalis subsp. rostkoviana (Hayne) Towns., Wiesen-Augentrost
Euphrasia salisburgensis Funck ex Hoppe, Salzburger Augentrost
Euphrasia stricta D. Wolff ex J. F. Lehmann, Steifer Augentrost
Euphrasia tricuspidata L., Dreispitziger Augentrost
Euphrasia tricuspidata subsp. cuspidata (Host) Hartl, Krainer Augentrost

http://blumeninschwaben.de/Zweikeimblaettrige/Rachenbluetler/augentrost.htm
Augentrost (Euphrasia)

http://flora.nhm-wien.ac.at/Seiten-Gattungen/Euphrasia.htm
Orobanchaceae / Gattung Euphrasia / Augentrost

http://www.wissen.de/lexikon/augentrost
Augentrost
Euphrasia
Gattung der Rachenblütler, kleine halbparasit.halbparasitische Kräuter.

http://www.duden.de/rechtschreibung/Augentrost
Augentrost, der
Bedeutung
(auf Wiesen weitverbreitete) kleine Pflanze mit weißen oder violetten Blüten und eiförmigen Blättern

A genus of about 450 herbaceous species, primarily in alpine or sub-alpine or subarctic habitats worldwide.
Pictures / Bilder of various species of Euphrasia

Taxonomic citation:
Euphrasia Linnaeus, Species Plantarum 2: 604–605. 1753.