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・ Erik Benjaminsen
・ Erik Bennett
・ Erik Benzelius
・ Erik Benzelius the Elder
・ Erik Benzelius the younger
・ Erik Berg
・ Erik Berglund
・ Erigeron pseudotenuicaulis
・ Erigeron pulchellus
・ Erigeron pulcherrimus
・ Erigeron pumilus
・ Erigeron purpurascens
・ Erigeron purpuratus
・ Erigeron pygmaeus
・ Erigeron radicatus
Erigeron reductus
・ Erigeron religiosus
・ Erigeron rhizomatus
・ Erigeron robustior
・ Erigeron rybius
・ Erigeron rydbergii
・ Erigeron salishii
・ Erigeron salmonensis
・ Erigeron sanctarum
・ Erigeron saxatilis
・ Erigeron sceptrifer
・ Erigeron schmalhausenii
・ Erigeron scopulinus
・ Erigeron seravschanicus
・ Erigeron serpentinus


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Erigeron reductus : ウィキペディア英語版
Erigeron reductus

''Erigeron reductus'' is a species of flowering plant in the daisy family known by the common name lesser California rayless fleabane.〔 It is endemic to California, from Trinity County south as far as Alameda County and El Dorado County.〔(Calflora taxon report, University of California, ''Erigeron reductus'' (Cronq.) G. Nesom, Fleabane, lesser California rayless fleabane, rayless daisy )〕
Erigeron reductus grows in rocky habitats in several mountain ranges in the northern part of the state. It is a perennial herb producing several spreading to erect stems up to 30 centimeters (12 inches) long from a woody caudex and root system. Each stem is lined evenly with small, thready leaves and topped with an inflorescence of one or more flower heads. Each glandular flower head is up to a centimeter (0.4 inches) wide and contains many yellow disc florets but no ray florets. The fruit is an achene with a pappus of bristles.〔(Flora of North America, ''Erigeron reductus'' (Cronquist) G. L. Nesom, 1992. California rayless fleabane )〕
;Varieties〔〔〔
*''Erigeron reductus'' var. ''angustatus'' (A.Gray) G.L.Nesom - Coast Ranges from Trinity County to Alameda County
*''Erigeron reductus'' var. ''reductus'' - Trinity Mountains and Sierra Nevada from Trinity County to El Dorado County
The two varieties do intergrade in their region of overlap (Trinity County).〔(Nesom, Guy L. 1992. Phytologia 72(3): 200-203 ) includes distribution map on page 201〕
==References==


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