Natural Sciences Faculty, University of Tulsa, Tulsa, Oklahoma
The following austroriparian plants, none of which occurs in the Gulf Coastal Plain (Mississippi Biotic District) of Oklahoma, are presently alive outdoors at Tulsa after the survival time indicated:
Persea borbonia (L.) Spring. Source: Big Thicket near Coldspring, San Jacinto Co., Texas. Blooms and sets seed each year. Nine years.
Torreya taxifolia Arn. Source: East bank of Appalachicola River near Chattahoochee, Gadsden Co., Florida. Three years.
Illicium floridanum Ellis. Source: Southeastern Mississippi between Wiggins and Lucedale. Bloomed spring of 1975 but did not set fruit. Three years.
Osmanthus americanus (L.) Gray. Source: East bank of Appalachicola River near Torreya State Park, Liberty Co., Florida. Three years.
Cyrilla racemiflora L. Source: East bank of Perdido River, U.S. Hwy. 90, Escambia Co., Florida. Three years.
Lycium carolinianum Walt. Source: grown from seed collected at Cameron, Cameron Co., Louisiana. Blooms each year in late summer and fall but has not set fruit. Five years.
Tillandsia usneoides (L.) L. Source: Trinity River bottoms near Liberty, Liberty Co., Texas. Placed in Salix carolina over pond and survived the relatively mild winters of 1974-75 and 1975-76.
Pinus palustris Mill. Source: commercial nursery in Tulsa. Ten years.
Polygonella americana (Fisch. & Mey.) McCurtain Co.: in bloom August 3, 1976, on gravel bar along Little River 2½ miles n of Goodwater; gravel bar along Mountain Fork River at the narrows sw of Smithville, November 7, 1976. Pushmataha Co.: on rocky outcrop along Little River 6 miles ne of Cloudy. This inconspicuous shrub is apparently extirpated at the Oklahoma Hwy. 7 crossing of Pine Creek Reservoir between Antlers and Broken Bow in McCurtain Co.
Zizaniopsis miliacea (Michx.) Doell & Aschers. Wagoner Co.: swampy area 5 miles n of Porter, July 14. 1964.