Solidago virgaurea Resources: [ USDA] [ The Plant List] Accession Number: Sandburg Specimen(s): Swedish Specimen(s):

Silphium laciniatum Resources: [ USDA] [ The Plant List] Accession Number: Sandburg Specimen(s): Swedish Specimen(s):

Serratula tinctoria Resources: [ USDA] [ The Plant List] Accession Number: Sandburg Specimen(s): Swedish Specimen(s):

Senecio vulgaris Resources: [ USDA] [ The Plant List] Accession Number: Sandburg Specimen(s): Swedish Specimen(s):

Senecio viscosus Resources: [ USDA] [ The Plant List] Accession Number: Sandburg Specimen(s): Swedish Specimen(s):

Senecio flaccidus Resources: [ USDA] [ The Plant List] Accession Number: Sandburg Specimen(s): Swedish Specimen(s):

Scorzonera humilis Resources: [ USDA] [ The Plant List] Accession Number: Sandburg Specimen(s): Swedish Specimen(s):

Lygodesmia juncea Resources: [ USDA] [ The Plant List] Accession Number: Sandburg Specimen(s): Swedish Specimen(s):

Liatris squarrosa Resources: [ USDA] [ The Plant List] Accession Number: Sandburg Specimen(s): Swedish Specimen(s):

Liatris punctata Resources: [ USDA] [ The Plant List] Accession Number: Sandburg Specimen(s): Swedish Specimen(s):