Erigeron philadelphicus Linnaeus (Q2224)
Erigeron philadelphicus is a taxon with the rank species within the genus Erigeron
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| English |
Erigeron philadelphicus Linnaeus
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Erigeron philadelphicus is a taxon with the rank species within the genus Erigeron
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Statements
taxon/id/Erigeron philadelphicus Linnaeus
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Erigeron philadelphicus Linnaeus
Erigeron philadelphicus
Linnaeus
FNA Editorial Committee. 2006. Flora of North America north of Mexico. Volume 20: Magnoliophyta: Asteridae, part 7: Asteraceae, part 2. Oxford University Press, New York.
accepted
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CA-AB
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CA-BC
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CA-MB
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CA-NB
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CA-NS
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CA-NT
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CA-NL
Nfld. and Labr. (Nfld.)
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CA-ON
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CA-PE
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CA-QC
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CA-SK
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CA-YT
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US-AL
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US-AR
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US-CA
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US-CO
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US-CT
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US-DC
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US-DE
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US-FL
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US-GA
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US-ID
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US-IL
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US-IN
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US-IA
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US-KS
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US-KY
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US-LA
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US-ME
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US-MA
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US-MD
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US-MI
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US-MN
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US-MS
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US-MO
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US-MT
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US-NC
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US-ND
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US-NH
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US-NJ
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US-NM
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US-NY
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US-NE
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US-NV
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US-OH
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US-OK
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US-OR
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US-PA
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US-RI
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US-SC
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US-SD
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US-TN
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US-TX
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US-VA
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US-VT
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US-WV
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US-WA
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US-WI
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US-WY
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fibrous-rooted, caudices simple.
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Stems erect (green proximally, leafy to arrays), hirsuto-villous to villous proximally, loosely strigose to sparsely hirsute distally, minutely glandular.
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Leaves basal (persistent or withering by flowering) and cauline;
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basal blades oblanceolate to obovate, (15–) 30–110 (–150) × 10–25 (–40) mm, margins shallowly crenate to coarsely serrate or pinnately lobed, faces sparsely hirsute to villous, eglandular;
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cauline blades oblong-oblanceolate to lanceolate, gradually reduced distally (bases clasping to auriculate-clasping).
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Heads (1–) 3–35 usually in corymbiform arrays (ultimate branches arising near stem tips).
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Involucres 4–6 × 6–15 mm.
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Ray-florets 150–250 (–400);
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corollas usually white, sometimes pinkish, 5–10 mm, laminae not coiling or tardily coiling.
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Disc corollas 2.1–3.2 mm.
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Cypselae 0.6–1.1 mm, 2-nerved, faces sparsely strigose;
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pappi: outer of setae, inner of 15–20 (–30) bristles.
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hirsuto-villous
villous proximally
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shallowly crenate
coarsely serrate or pinnately lobed
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oblong-oblanceolate
lanceolate
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