Oklahoma’s amazingly diverse flora has long been of interest to state residents. In 1987, individuals from throughout the state founded the Oklahoma Native Plant Society to encourage the study, protection, propagation, appreciation, and use of the state’s native plants. The society’s varied activities (field trips, lectures, workshops, displays, inventories, and roadside plantings) promote an awareness and understanding of some of the state’s most valued treasures.
Botanically, Oklahoma is a remarkable state! Located at the juncture of several physiographic provinces, it is indeed an ecological crossroad. Within its borders are found ~175 families, ~870 genera, and approximately 2,600 species of vascular plants—flowering plants, conifers, ferns, horsetails, and clubmosses. This flora is a complex assemblage of plants representative of different phytogeographic regions. Species characteristic of the eastern deciduous forest and central grasslands are the most common; however, species from the Rocky Mountains, the Chihuahuan and Sonoran Deserts, the Gulf Coastal Plain, and the Ozark Mountains also occur in the state. Fourteen different vegetation types are traditionally recognized. This tremendous diversity of plant species and communities reflects the considerable variation in the state’s climatic, physiographic, geological, and edaphic features. A plethora of different habitats for plants are present. More information about the flora of our great state can be found at the Flora of Oklahoma Project page.
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ONPS News & Events
Watch archived videos meetings and presentations by clicking here.
2021 ONPS Annual Meeting
The 2021 ONPS Annual Meeting is scheduled for September 25-26 featuring a Saturday field trip in Pawnee and virtual business meeting via Zoom. Click here for information.
Upcoming Events and Activities
Sept. 17, and Oct. 15 - NE Chapter has resumed their Fabulous Wildflower Fridays at Panera Bread, 41st Street, Tulsa 5:30 pm meeting at your discretion
Sept 25-26 - ONPS Annual Meeting - Plans have changed and we will not be gathering in person for our meeting due to concerns over Covid-19.
Oct. 21 - Central Chapter meeting featuring Jenna Messick, assistant professor of Biology and Herbarium Curator at the University of Central Oklahoma. Dr. Messick will give a timely (think, just right for fall planting/ seed harvesting) talk on Native Plant Seed Germination; What Works and Why.
Nov. 11 - Central Chapter meeting featuring Kyle Johnson, staff biologist, Oklahoma Department Wildlife Conservation. Kyle will give a presentation on a couple of award winning private lands native plant/ prairie restoration projects that merited ‘best of the year’ recognition by the ODWC.
NEW Resource Coming
"Lichen Field Guide for Oklahoma and Surrounding States is in press. Expected release is May 2021, just in time for the 2021 field season. This is a companion book to Lichen Study Guide for Oklahoma and Surrounding States. You can contact Sheila Strawn at email@example.com for lichen workshops, presentations, or field trips. Sheila is the author. Sarah Hearn is the illustrator. It will sell for $30. Both guides can be purchased at shop.brit.org"
The 2020 Volume of the Oklahoma Native Plant Record is now available. Order your 2020 volume TODAY. Click here for details.
We have now rescheduled the native gardening author Doug Tallamy for presentations February 4 & 5, 2022 in Oklahoma City and Tulsa.
Watch for additional information to be announced. Check out the video of him speaking about his new book "Nature's Best Hope."