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As a name, “Threadleaf Ragwort”may sound like a character out of Tolkien, but it’s actually the common name of a rather uncommon plant.
With grayish, Artemesia-esque leaves and weirdly misshapen, yellow flowers, sun-loving Senecio flaccidus is a local nerd-plant in the Asteraceae family. It can be spotted growing in the sandy washes of wide canyon bottoms in the Verdugo and San Gabriel Mountains and will be happiest in similarly thin, fast-draining soil with a layer of gravel mulch.
Ribes amarum
Dipterostemon (Dichelostemma) capitatus
Sambucus nigra ssp. caerulea
Elymus glaucus
Phacelia ramosissima
Brickellia californica
Corethrogyne filaginifolia
Mirabilis laevis var. crassifolia
Epilobium canum ssp. canum
Linanthus californicus
Dudleya cymosa
Silene laciniata
Phacelia cicutaria
Quercus agrifolia
Opuntia littoralis
Frangula californica
Pholistoma auritum
Ribes speciosum
Rhamnus ilicifolia
Eriogonum elongatum
Cercocarpus betuloides
Toxicodendron diversilobum
Clarkia bottae
Claytonia perfoliata
Boykinia rotundifolia
Datura wrightii
Lonicera subspicata var. denudata
Hazardia squarrosa var. grindelioides
Delphinium cardinale
Uropappus lindleyi
Chloroglaum pomeridianum
Diplacus longiflorus
Juglans californica
Lilium humboldtii ssp. ocellatum
Helianthus annuus
Heteromeles arbutifolia
Aquilegia formosa
Erysimum capitatum
