Euphrasia arctica subsp. borealis

(F. Townsend) Yeo

Bot. J. Linn. Soc. 64: 358. 1971.

Common names: Boreal eyebright
Basionym: Euphrasia rostkoviana Hayne forma borealis F. Townsend Bot. Exch. Club Brit. Isles Rep. 1: 307. 1891
Synonyms: E. ×aequalis Callen E. borealis (F. Townsend) Wettstein E. ×vestita Callen
Treatment appears in FNA Volume 17. Treatment on page 496. Mentioned on page 495.

Stems: base erect; branches 1–5(or 6) pairs, usually straight. Inflorescences: bract surfaces hairy, hairs glandular and eglandular bristles, teeth much longer than wide. Flowers: corolla 6–8(–10) mm. 2n = 44 (Europe).


Phenology: Flowering early summer–fall.
Habitat: Meadows, pastures, roadsides, dunes, wood margins, scrub, grassy places, rocky shorelines, open, moist calcareous barrens.
Elevation: 0–300 m.

Distribution

Greenland, B.C., N.B., Nfld. and Labr., N.S., Ont., P.E.I., Que., Maine, Europe (British Isles, Norway), Atlantic Islands (Iceland).

Discussion

Selected References

None.

Lower Taxa

None.
Galina Gussarova +
(F. Townsend) Yeo +
Euphrasia rostkoviana +
Boreal eyebright +
Greenland +, B.C. +, N.B. +, Nfld. and Labr. +, N.S. +, Ont. +, P.E.I. +, Que. +, Maine +, Europe (British Isles +, Norway) +  and Atlantic Islands (Iceland). +
0–300 m. +
Meadows, pastures, roadsides, dunes, wood margins, scrub, grassy places, rocky shorelines, open, moist calcareous barrens. +
Flowering early summer–fall. +
Bot. J. Linn. Soc. +
E. ×aequalis +, E. borealis +  and E. ×vestita +
Euphrasia arctica subsp. borealis +
Euphrasia arctica +
subspecies +