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blunt-lobe grape-fern, blunt-lobed grapefern, botryche d'oneida, botryche du lac onéida
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botryche de virginie, common grapefern, rattlesnake fern
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to 5 pairs, usually remote, horizontal to ascending, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, undivided except in proximal 2/3–3/4. |
to 12 pairs, usually approximate to overlapping, slightly ascending, distance between 1st and 2d pinnae not or slightly more than between 2d and 3d pairs, lanceolate, divided to tip. |
stalk 2–15 cm, 1.5–2.5 times length of blade rachis; blade dull bluish green, ± plane, 2–3-pinnate, to 15 × 20 cm, ± leathery. |
sessile; blade pale green, 3–4-pinnate, to 25 × 33 cm, thin, herbaceous. |
obliquely ovate, margins finely crenulate to denticulate, apex rounded to acute, venation pinnate. |
lanceolate and deeply lobed, lobes linear, serrate, apex pointed, venation pinnate, midrib present. |
2–3-pinnate, 1.5–2.5 times length of trophophore. |
2-pinnate, 0.5–1.5(–2) times length of trophophore. |
=90. |
=184. |
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| Leaves green over winter, sporophores seasonal, new leaves appearing in spring. |
Leaves seasonal, appearing in early spring and dying in late summer. |
| In moist, shady, acidic woods and swamps |
Common to abundant, especially in shaded forests and shrubby second growth, rare or absent in arid regions |
| 0–1200 m (0–3900 ft) |
0–1500 m (0–4900 ft) |
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CT; DC; DE; IN; KY; MA; MD; ME; MI; MN; NC; NH; NJ; NY; OH; PA; RI; VA; VT; WI; WV; NB; ON; QC
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AK; AL; AR; AZ; CO; CT; DC; DE; FL; GA; IA; ID; IL; IN; KS; KY; LA; MA; MD; ME; MI; MN; MO; MS; MT; NC; ND; NE; NH; NJ; NM; NV; NY; OH; OK; OR; PA; RI; SC; SD; TN; TX; UT; VA; VT; WA; WI; WV; WY; AB; BC; MB; NB; NF; NS; NT; ON; PE; QC; SK; YT; Mexico; Central America; South America in Brazil; Colombia; Ecuador; Peru; Eurasia |
Botrychium oneidense commonly occurs with B. dissectum and B. multifidum. Young individuals of both may resemble B. oneidense (W.H. Wagner Jr. 1961b). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Botrychium virginianum is the most widespread Botrychium in North America. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
| FNA vol. 2. |
FNA vol. 2. |
| Ophioglossaceae > Botrychium > subg. Sceptridium > sect. Sceptridium |
Ophioglossaceae > Botrychium > subg. Osmundopteris |
B. acuminatum, B. ascendens, B. biternatum, B. boreale, B. campestre, B. crenulatum, B. dissectum, B. echo, B. gallicomontanum, B. hesperium, B. jenmanii, B. lanceolatum, B. lunaria, B. lunarioides, B. matricariifolium, B. minganense, B. montanum, B. mormo, B. multifidum, B. pallidum, B. paradoxum, B. pedunculosum, B. pinnatum, B. pseudopinnatum, B. pumicola, B. rugulosum, B. simplex, B. spathulatum, B. virginianum |
B. acuminatum, B. ascendens, B. biternatum, B. boreale, B. campestre, B. crenulatum, B. dissectum, B. echo, B. gallicomontanum, B. hesperium, B. jenmanii, B. lanceolatum, B. lunaria, B. lunarioides, B. matricariifolium, B. minganense, B. montanum, B. mormo, B. multifidum, B. oneidense, B. pallidum, B. paradoxum, B. pedunculosum, B. pinnatum, B. pseudopinnatum, B. pumicola, B. rugulosum, B. simplex, B. spathulatum |
| B. ternatum var. oneidense, B. dissectum var. oneidense, B. multifidum var. oneidense |
Osmunda virginiana |
| (Gilbert) House: Amer. Midl. Naturalist 7: 126. (1905) |
(Linnaeus) Swartz: J. Bot. (Schrader) 1800(2): 111. (1801) |
| - Local floras:
 CA,  OR
- Local Web sites: CalFlora, CalPhotos,
 Flora NW,  Go Botany,  IL Wildflowers,  KS Wildflowers,  LA Plants,  MD Biodiversity,  MI Flora,  MN Wildflowers,  MO Plants,  PNW Herbaria
 WildflowerSearch iNaturalist (observations) USDA Plants Database- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
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