Classification
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All Names

  • English
    • Plymouth Thistle
    • Italian thistle
  • Scientific Names
    • Carduus pycnocephalus

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Recent observations

Photos / Sounds

Square

What

Italian thistle (Carduus pycnocephalus) Carduus pycnocephalus

Observer

kueda

Date

April 11, 2014 06:33 PM PDT

Photos / Sounds

Square

What

Italian thistle Carduus pycnocephalus

Observer

paloma

Date

April 10, 2014 02:18 PM PDT

Photos / Sounds

What

Italian thistle Carduus pycnocephalus

Observer

icosahedron

Date

April 3, 2014 11:33 AM PDT

Description

We spent this fine morning trying to reduce Italian thistle.

Photos / Sounds

What

Italian thistle Carduus pycnocephalus

Observer

paloma

Date

April 3, 2014 01:07 PM PDT

Description

at Nimbus Fish Hatchery

Photos / Sounds

13517585065_59419a0bb8_s

What

Italian thistle Carduus pycnocephalus

Observer

wildmarin

Date

March 28, 2014 01:29 PM PDT

Photos / Sounds

13494771264_3bea5b1a74_s

What

Italian thistle Carduus pycnocephalus

Observer

greenrosettas

Date

March 28, 2014

Photos / Sounds

Square

What

Italian thistle Carduus pycnocephalus

Observer

evelynch

Date

March 29, 2014 10:00 AM PDT

Description

Perhaps Italian thistle? It was growing upland of a riparian zone

Photos / Sounds

Square

What

Italian thistle (Carduus pycnocephalus) Carduus pycnocephalus

Observer

boschniakia

Date

March 29, 2014 11:30 AM PDT

Photos / Sounds

Square

What

Italian thistle Carduus pycnocephalus

Observer

naomilebeau

Date

March 28, 2014 10:32 AM UTC

Photos / Sounds

No photos or sounds

What

Italian thistle Carduus pycnocephalus

Observer

poinsot

Date

March 29, 2014 12:11 PM PDT

Photos / Sounds

Square

Observer

perlmutter

Date

March 29, 2014 11:00 AM PDT

Photos / Sounds

Square

Observer

perlmutter

Date

March 29, 2014 11:00 AM PDT
View all observations

Description from Wikipedia

Carduus pycnocephalus, with common names including Italian thistle, Italian plumeless thistle, and Plymouth thistle, is a species of thistle. It is native to: the Mediterranean region in southern Europe, North Africa, and Western Asia; East Europe and the Caucasus; and the Indian Subcontinent.

No range data available.