Guardian Nature School Contact Blog Project Noah Facebook Project Noah Twitter

A global citizen science platform
to discover, share and identify wildlife

Join Project Noah!
nature school apple icon

Nature School For Teachers - Fall 2020 Launch! visit nature school

Milk Thistle

Silybum marianum

Species ID Suggestions

Sign in to suggest organism ID

No Comments

Spotted by

Monroeville, Pennsylvania, USA

Spotted on May 24, 2012
Submitted on May 24, 2012

Spotted for Mission

Related Spottings

Silybum marianum Cardo Mariano Milk Thistle Milk Thistle

Nearby Spottings

Eastern Box Turtle Buckeye butterfly Yellow Jewelweed Yellow sweet clover


Noah Guardians
Noah Sponsors