Host an Event Volunteer Join Tickets

Support the plant database you love!


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.

Search Seed Bank
Show All Accessions

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


Asclepias viridis

Asclepias viridis Walter

Green Milkweed, Spider Milkweed

Asclepiadaceae (Milkweed Family)
USDA Symbol: ASVI2

Accession Data

Accession Number: LBJWC-1757

Field Data Form: LBJWC-1757.pdf
Collection Date: 2015-08-10
Accession Number: LBJWC-1757
Organization: LBJWC
Collector(s): Lady Bird Johnson Wildflower Center
Collected with: M. Marr

Location Data

Country: USA
Phytoregion: 29
Phytoregion_full: Cross Timbers
State: TX
County: Burnet
Municipality: Briggs
Geog_area: Brazos River Basin; Berry Creek Watershed
Location: Right-of-way along both sides of U.S. Highway 183 from County Road 211 to Farm-to-Market 2657.

Latitude: 30.882111
Longitude: -97.920611
Altitude: 1 ft
land_owner: Public right-of-way

Habitat Data

Associated Taxa: Sorghum halepense, Cynodon dactylon, Bothriochloa laguroides, Desmanthus illinoensis, Lythrum californicum, Ruellia nudiflora
Modifying Factors: Mowed
Land Form: Plains
Land Use: Right-of-way
Slope: 1
Geology: Clayey alluvium
Soil Texture: Clay
Soil Color: Gray

Collection Data

Plants Sampled: 39
Population Size: 100+
Area Sampled: 2
Area Unit: acres
Seed From: plants
Habit: forb
Use: Seed increase to promote monarch conservation

Inventory Data

Other: 2400 seeds
Return to List