Newsletter Signup

To be added to the SIOSA email list to receive the quarterly SIOSA newsletter and information on events, email

Upcoming Events

NOTICE of rescheduled workshop:

In place of the workshop that was cancelled on July 23, SIOSA will sponsor a Monarch Bioblitz this Saturday, Aug. 4 to coincide with the 2nd international Monarch Blitz described in the email below. 

The event will be held from 10:30 a.m. to 12 noon at Slip Bluff County Park, northeast of Lamoni. Veronica Mecko will lead the group in counting milkweeds and Monarch adults, eggs and larvae.

If you are interested in participating, please email and more information will be provided. 

If you can’t attend this event consider monitoring on your property or a native wildflower area near you. Go to, Monarch Larval Monitoring Project, to get all the information you will need.

Next SIOSA board meeting

The next regular SIOSA meeting is Wednesday, April 4 at 1:00 pm.  We will be meeting at the Clarke County Conservation Board headquarters at East Lake Park.  The park is located just east of Osceola on Hwy 34.

Membership/Contact Us


A new exclusive benefit for members: SIOSA will now lend out restoration equipment to members. Please email Items that can be borrowed include: nomex shirts, fire brooms, drip torches, fire rakes, bladder bags and slip-on pump units.

Click here for terms of equipment use


Support Oak Savanna Habitat Restoration by Joining SIOSA!

Members will receive a quarterly newsletter and will be invited to participate in fun activities relating to oak savannas throughout the year!

Annual Membership Rates

  • Student Member $10
  • Savanna Friend $25
  • Supporting Member $100
  • Sustaining Member $250
  • Savanna Steward $500

Please click here to download our membership form



Contact Us

President – Casey Campbell
Vice President – Bill Brown
Treasurer/Secretary – Dick Hillyard
Administrative Assistant – Veronica Mecko

John Orvis
Dick Hillyard
Rich Erke
Dave Whittlesey
Casey Campbell
Bruce Nelson
Andrew Kellner
Nancy Forrest
Bill Brown
Bill and Sibylla Brown
John and Sharon Orvis
Paul and Karla Gunzenhauser
Dick and Nancy Hillyard
SIOSA Mailing Address: 21654 295th Ave, Leon Iowa, 50144
SIOSA Email Address: