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Digital Herbaria

Botrychium virginianum

Botrychium virginianum (L.) Sw.

Rattlesnake Fern

Ophioglossaceae (Adder's-Tongue Family)

USDA Native Status: L48 (N), AK (N), CAN (N)

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Specimen & Label Data

Botrychium virginianum

Rattlesnake Fern


Location: Medina River Ranch, Gate 10, midway from gate to Knox Miller house.
Latitude: 0.000000

Habitat: In semi-shade, at foot of seeping limestone cliff.

Description: Thin, herbaceous plant from erect rhizome. Fronds several, erect, mon-circinate, 36 cm tall. Stipe 20 cm long, red-brown below, stramineous above. Blade pinnate; pinnae linear-lanceolate, to 1.5x8 cm, serrate. Fruiting spike to 12 cm. Sporangia large, globose, sessile, naked, opening by a slit.

County: Medina
Collector: Harry Cliffe
Collection Date: Jun 6, 1992
Specimen number: 443

Herbarium Owner: NPSOT
Herbarium ID: 0652
Accession Date: Feb 22, 1994
Accession Number: 48

Annotations: SXFXM Anemia mexicana Klotzsch Schizaeceae Mexican Fern det. Harry Cliffe 1997

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