Plant and Seed Sources


For Landscaping Using Natives


Other resources

  • "Lichen Field Guide for Oklahoma and Surrounding States" is available now. Released in June 2021. This is a companion book to "Lichen Study Guide for Oklahoma and Surrounding States". You can contact Sheila Strawn at sastrawn@hotmail.com for lichen workshops, presentations, or field trips. Sheila is the author. Sarah Hearn is the illustrator. It sells for $30. Both guides can be purchased through the Botanical Research Institute of Texas at shop.brit.org