Re: Weed from Mulvane KS

[Mark Mayfield]

Hi Cassie,

The plant is called Spanish Needles (Bidens bipinnata), a native annual plant in Kansas. Most people that have pets that can roam in wild areas will get these in their yard eventually. They also of course travel on wild animals. 

Best, Mark

Mark H. Mayfield
Division of Biology
1717 Claflin Rd. 
Manhattan, Kansas 66506-4900
785-532-2795 (voice)

Office: 304 Bushnell Hall

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From: Cassie Thiessen <cthi...@ksu.edu>
Sent: Friday, October 31, 2025 11:21
To: Mark Mayfield <mark...@ksu.edu>
Subject: Fw: Weed from Mulvane KS

 

Hi Mark, 

Are you able to help identify this plant? 

Thanks!

Cassie

Cassie Thiessen

Horticulture Agent 

K-State Extension Post Rock District 

Kansas State University

785-738-3597   cthi...@ksu.edu

https://www.postrock.k-state.edu/

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From: Shelly Garlow <sga...@ksu.edu>
Sent: Monday, October 20, 2025 3:22 PM
To: Cassie Thiessen <cthi...@ksu.edu>
Subject: Fw: Weed from Mulvane KS

 

Shelly Garlow

Office Professional

K-State Extension Post Rock District - Smith Center Office

Kansas State University

785-282-6823

sga...@ksu.edu

postrock.ksu.edu

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From: Karen Panter <homr...@ruraltel.net>
Sent: Monday, October 20, 2025 3:22 PM
To: Shelly Garlow <sga...@ksu.edu>
Subject: Weed from Mulvane KS

 

This email originated from outside of K-State.

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