Pilosella officinarum (weed)

Pilosella • Asteraceae (weeds) • Asterales (weeds) • Eudicotyledons • all weeds • pests-diseases-weeds

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Pilosella officinarum (= Hieracium pilosella) (click on image to enlarge it)
Author(s): Udo Schmidt
Source: Wikimedia Commons

Pilosella officinarum (weed) Vaill. - (mouse-ear hawkweed)

This species of dandelion-like plants is native to Europe and north-western Asia, but invasive in several other regions with a temperate climate. For example, it has been recorded as a weed from North America since 1902. It grows in nitrogen deficient soils and can tolerate low rainfall.

In invaded areas, it can form dense mats and suppresses other vegetation. Apart from disturbing the ecology in invaded countries, it has become also a serious agricultural weed of pastures.

Synonyms:
Hieracium pilosella

Vernacular names
• Deutsch:	Langhaariges Habichtskraut Kleines Habichtskraut
• English:	mouse-ear hawkweed

• Other images of Pilosella officinarum (Wikimedia Commons - click to enlarge)
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