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Iris pseudacorus Linnaeus
YELLOW FLAG
Pale Yellow Iris; Paleyellow iris; Yellow water iris

Life   Plantae   Monocotyledoneae   Iridaceae   Iris

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Iris pseudacorus
© Copyright Bobby Hattaway 2011 · 5
Iris pseudacorus
Iris pseudacorus
© Copyright Bobby Hattaway 2011 · 5
Iris pseudacorus

Iris pseudacorus
© Copyright Bobby Hattaway 2011 · 5
Iris pseudacorus
Iris pseudacorus
© Copyright Bobby Hattaway 2011 · 5
Iris pseudacorus

Iris pseudacorus
© Copyright Bobby Hattaway 2011 · 5
Iris pseudacorus
Iris pseudacorus
© Les Mehrhoff, 2008-2010 · 5
Iris pseudacorus

Iris pseudacorus, Yellow Iris
© Copyright Sheryl Pollock 2011 · 3
Iris pseudacorus, Yellow Iris
Iris pseudacorus
© Copyright Malcolm Storey 2011-2118 · 3
Iris pseudacorus

Iris pseudacorus
© Copyright Malcolm Storey 2011-2118 · 3
Iris pseudacorus
Iris pseudacorus
© Copyright Malcolm Storey 2011-2118 · 3
Iris pseudacorus

Iris pseudacorus
© Copyright Malcolm Storey 2011-2118 · 3
Iris pseudacorus
Iris pseudacorus
© Copyright Malcolm Storey 2011-2118 · 3
Iris pseudacorus

Iris pseudacorus
© Copyright Malcolm Storey 2011-2118 · 3
Iris pseudacorus
Iris pseudacorus
© Les Mehrhoff, 2008-2010 · 3
Iris pseudacorus

Associates · map
FamilyScientific name @ source (records)
Agaricaceae  Phoma iridum @ BPI (1)

Phoma pseudacori @ BPI (3)
Aphididae  Macrosiphum ( @ AMNH_PBI (2)
Chlamydomonadaceae  Sphaerella iridis @ BPI (3)
Cladochytriaceae  Cladochytrium iridis @ BPI (4)
Coccinellidae  Coleomegilla maculata @ I_LB (1)
Mycosphaerellaceae  Heterosporium gracile @ BPI (2)

Mycosphaerella iridis @ BPI (24)
Nectriaceae  Nectria paludosa @ BPI (3)
Phaeosphaeriaceae  Leptosphaeria eustoma @ BPI (1)

Leptosphaeria parvula @ BPI (1)
Pucciniaceae  Puccinia iridis @ BPI (1)
Trichocomaceae  Aspergillus @ BPI (1)
Typhulaceae  Sclerotium durum @ BPI (1)
Valsaceae  Asteroma venulosum @ BPI (1)
_  Ascochyta iridis @ BPI (1)

Ectostroma iridis @ BPI (4)

Verpatinia @ BPI (1)

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Following modified from Global Invasive Species Team, The Nature Conservancy
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Following modified from Delaware Wildflowers
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Delaware Wildflowers  •  Scientific names

Iris pseudacorus L. Yellow Iris
Iridaceae — Iris family
Invasive non-native
Iris pseudacorus
Ashland Nature Center
May 2008

More information on this plant, from other sources.


Copyright David G. Smith

Delaware Wildflowers main page

Following modified from Floridata
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Following modified from USGS
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&pull 20q v5.145 20180528: Error 301 Moved Permanently http://nas.er.usgs.gov/plants/docs/ir_pseud.html

Following modified from MissouriPlants.com
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Iris pseudacorus  L.

Pale Yellow Iris

Iris pseudacorus plant

Family - Iridaceae

Stems - No info. yet.

Iris pseudacorus stem

Leaves - No info. yet.

Inflorescence - No info. yet.

Flowers - No info. yet.

Iris pseudacorus flower

Flowering - May - July.

Habitat - Cultivated and rarely escaped to roadsides ditches and small streams.

Origin - Native to Europe.

Other info. - This striking species is widely cultivated in Missouri but is rarely escaped. The plant has big yellow flowers and the inflorescences are shorter than or equal to the large leaves. This species has naked sepals, that is to say the sepals have no beard of modified hairs along their inner midveins.

Photographs taken in Iron County, MO., 5-18-03, and in Auburn, AL., 4-17-05.


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Following modified from Flora of North America
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