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Plant and Seed Sources


For Landscaping Using Natives


Other resources

  • "Lichen Field Guide for Oklahoma and Surrounding States" 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