Fragaria vesca
Fragaria vesca subsp. americana
wild strawberry, wood strawberry, woodland strawberry, woods strawberry
American woodland strawberry, fraisier américain, wood strawberry
bright green (sometimes darker green in subsp. californica), not glaucous, thin, not leathery, not reticulately veined abaxially, terminal tooth of terminal leaflet longer than or equal to adjacent teeth (sometimes equal to or shorter than adjacent teeth in subsp. californica).
green to bright green;
terminal leaflet blade ovate or obovate to slightly rhombic, length/width 1.3–1.6, teeth: relative number 0.2–0.6, relative size 1.5–4, terminal tooth longer than adjacent teeth.
bisexual or unisexual;
hypanthium 11–21.2 mm diam.;
petals 5, ± obovate to nearly orbiculate, margins overlapping or distinct.
bisexual, 12–14.6 mm diam.;
hypanthium 11–16.5 mm diam.;
petals white, obovate to widely obovate, margins distinct, sometimes distally crenate.
deeply embedded, in shallow pits, or superficial, yellowish green to reddish brown, 1–1.5 mm;
bractlets and sepals clasping, spreading, or reflexed in fruit;
torus easily or not easily separating from hypanthium.
superficial;
bractlets and sepals spreading to strongly reflexed;
torus carmine, shiny, elongate-conic (often somewhat pointed), easily separating from hypanthium.
= 14.
Fragaria vesca
Fragaria vesca subsp. americana
Subspecies 4 (4 in the flora).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
It is assumed that after the maximum glaciation, this North American subspecies spread from an eastern refugium northeastward to the Gaspé and northwestward to the Mackenzie and Peace rivers (G. Staudt 1999).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
1. Fruiting tori easily separating from hypanthia, tori globose to ± oblong; achenes superficial or in shallow pits; leaves green to dark green, terminal leaflet blades ± round or slightly ovate-rhombic, length/width 0.9–1.3, teeth: relative number 0.4–0.9, relative size 1–2.3; bractlets and sepals spreading or reflexed in fruit. | subsp. californica |
1. Fruiting tori easily or not easily separating from hypanthia, tori globose, subglobose, oblong-ovoid, or elongate-conic (slightly oblate or conic); achenes superficial, in shallow pits, or deeply embedded; leaves green to bright green, terminal leaflet blades ovate or obovate to slightly rhombic, length/width 1.1–1.8, teeth: relative number 0.2–0.6, relative size 1.5–4; bractlets and sepals clasping, spreading, or reflexed in fruit | → 2 |
2. Flowers usually bisexual, sometimes pistillate, 15.3–23.8 mm diam.; petals usually white, sometimes pinkish; bractlets clasping or spreading to slightly reflexed, sepals clasping in fruit; achenes in shallow pits or deeply embedded; tori usually not easily separating from hypanthia. | subsp. bracteata |
2. Flowers bisexual, 12–20.5 mm diam.; petals white; bractlets and sepals spreading to reflexed in fruit; achenes superficial or in shallow pits; tori easily separating from hypanthia | → 3 |
3. Fruiting tori globose or subglobose (often slightly oblate or conic); leaves bright green; achenes superficial or in shallow pits. | subsp. vesca |
3. Fruiting tori elongate-conic (often somewhat pointed); leaves green to bright green; achenes superficial. | subsp. americana |
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OR, 
WA - Local Web sites: CalFlora, CalPhotos,
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PNW Herbaria, 
SW CO Wildflowers, Turner Photog. 
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