Botrychium virginianum

(Linnaeus) Swartz

J. Bot. (Schrader) 1800(2): 111. 1801

Common names: Rattlesnake fern common grapefern botryche de virginie
Basionyms: Osmunda virginiana Linnaeus Sp. Pl. 2: 1064. 1753
Treatment appears in FNA Volume 2.
Click plate for higher resolution version.
Trophophore sessile; blade pale green, 3–4-pinnate, to 25 × 33 cm, thin, herbaceous. Pinnae 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. Pinnules lanceolate and deeply lobed, lobes linear, serrate, apex pointed, venation pinnate, midrib present. Sporophores 2-pinnate, 0.5–1.5(–2) times length of trophophore. 2n =184.

Phenology: Leaves seasonal, appearing in early spring and dying in late summer.
Habitat: Common to abundant, especially in shaded forests and shrubby second growth, rare or absent in arid regions
Elevation: 0–1500 m

Distribution

V2 31-distribution-map.gif

Alta., B.C., Man., N.B., Nfld., N.W.T., N.S., Ont., P.E.I., Que., Sask., Yukon, all states except Calif., Mexico, Central America, South America in Brazil, Colombia, Ecuador, Peru, Eurasia.

Discussion

Botrychium virginianum is the most widespread Botrychium in North America.

References

None.

Lower Taxa

No lower taxa listed.

AuthorWarren H. Wagner Jr. + and Florence S. Wagner +
Authority(Linnaeus) Swartz +
BasionymsOsmunda virginiana +
Common nameRattlesnake fern +, common grapefern + and botryche de virginie +
DistributionAlta. +, B.C. +, Man. +, N.B. +, Nfld. +, N.W.T. +, N.S. +, Ont. +, P.E.I. +, Que. +, Sask. +, Yukon +, All states except Calif. +, Mexico +, Central America +, South America in Brazil +, Colombia +, Ecuador +, Peru + and Eurasia. +
Elevation0–1500 m +
HabitatCommon to abundant, especially in shaded forests and shrubby second growth, rare or absent in arid regions +
IllustratorJohn Myers +
PhenologyLeaves seasonal, appearing in early spring and dying in late summer. +
Publication titleJ. Bot. (Schrader) +
Publication year1801 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V2/V2 31.xml +
Taxon familyOphioglossaceae +
Taxon nameBotrychium virginianum +
Taxon parentBotrychium subg. Osmundopteris +
Taxon rankspecies +
VolumeVolume 2 +