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Wildflower Center Seed Bank

The Wildflower Center's Seed Bank was established in partnership with the Bureau of Land Management's (BLM) Seeds of Success (SOS) program in concert with the Royal Botanic Gardens, Kew Millennium Seed Bank Program (MSBP). The purpose of the Seed Bank is to collect, conserve, and develop native plant materials for stabilizing, rehabilitating and restoring lands in Texas and the United States.

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To request seed from the Wildflower Seed Bank, please contact the Seed Bank Curator.


Asclepias asperula

Asclepias asperula (Decne.) Woodson

Antelope-horns, Spider Milkweed, Green-flowered Milkweed, Spider Antelope-horns, Antelope Horns

Asclepiadaceae (Milkweed Family)

Accession Data

Accession Number: LBJWC-1752

Field Data Form: LBJWC-1752.pdf
Collection Date: 2015-06-09
Accession Number: LBJWC-1752
Organization: LBJWC
Collector(s): Lady Bird Johnson Wildflower Center
Collected with: J. Piercy, D. Werth

Location Data

Country: USA
Phytoregion: 30
Phytoregion_full: Edwards Plateau
State: TX
County: Hays
Municipality: Dripping Springs
Geog_area: Colorado River Basin; Barton Creek Watershed
Location: 31740 Ranch Road 12

Latitude: 30.252953
Longitude: -97.821278
Georeference Source: Goggle Earth
Altitude: 1 ft
land_owner: D. Werth

Habitat Data

Associated Taxa: Stenaria nigricans, Wedelia hispida, Bifora americana, Schizachyrium scoparium, Bothriochloa laguroides, Opuntia spp.,Yucca rupicola
Modifying Factors: None
Land Form: Plain
Land Use: Pipeline right-of-way
Slope: 4
Aspect: NA
Geology: Limestone
Soil Texture: Caliche mix (gravelly loam)
Soil Color: Dark

Collection Data

Plants Sampled: 26
Population Size: Not recorded
Area Sampled: Not recorded
Seed From: Plants
Habit: Forb
Height: 1 ft
Use: Seed increase to promote monarch conservation

Inventory Data

Other: 1000 seeds
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