Monolopia congdonii (formerly Lembertia congdonii) is a rare species of flowering plant in the daisy family known by the common name San Joaquin woolly-thread. It is endemic to California, where it is known only from the southern San Joaquin Valley and one area in nearby Santa Barbara County. It is a federally listed endangered species. This is a small annual herb with a trailing or somewhat upright stem coated thinly in woolly fibers. The leaves are...
