Thelesperma filifolium (Hook.) A. Gray
Stiff Greenthread, Greenthread
Asteraceae (Aster Family)USDA Symbol: THFI
USDA Native Status: L48 (N)
Specimen & Label Data
Location: 1.25 km east of Hwy 281 & 1 block north of Thousand Oaks, corner of Ledge Sage and Ledge View streets.
Habitat: Nearly level, vacant, undisturbed land. Thin, rocky soil. A few Quercus and Diospyros trees.
Description: Taprooted annual, 50-60 cm tall. Stem simple, much branched above. Leaves throughout, lower ones 5-12 cm long, serrate to ternate to thrice-pinnate, ultimately flat, 1 mm broad. Rays 8, yellow, 3-lobed, 9-22 mm long, 9-17 mm broad. Disk corollas red-brown.
Collector: Louise Morrell
Collection Date: May 19, 1993
Specimen number: 6
Herbarium Owner: NPSOT
Herbarium ID: 0354
Accession Date: May 21, 1993
Accession Number: 28 Annotations: SCFRB