| Taxon | Collector | Location | Type Status | Barcode | |
|---|---|---|---|---|---|
| Usnea trichodea Ach. | J. H. R. Schenck s.n. Apr 1898 | United States of America. Arkansas. White Co. Judsonia. | 793354 | ||
| Usnea trichodea Ach. | R. C. Harris 31221 13 Oct 1993 | United States of America. Missouri. Reynolds Co. St. Francis Mountains, Johnson Shut-Ins State Park, E side of East Fork of Black River at Johnson Shut-Ins. | 793355 | ||
| Usnea hesperina Motyka | A. H. Young 9 Oct 1874 | United States of America. Connecticut. New Haven Co. New Haven. | 364060 | ||
| Usnea amblyoclada (Müll.Arg.) Zahlbr. | R. C. Harris 40405 16 Apr 1997 | United States of America. Missouri. Carter Co. Peck Ranch Conservation Area, vicinity of Stegal Mountain Fire Tower, ca. 1.8 mi N of Peck Ranch Road, ca. 3.7 mi E of Co. H, 5.3 mi NE of MO 19 at Winona. | 654381 | ||
| Usnea amblyoclada (Müll.Arg.) Zahlbr. | R. C. Harris 40474 16 Apr 1997 | United States of America. Missouri. Shannon Co. Ozark National Scenic Riverways, Rocky Creek Shut-Ins ("Kelpzig Mill"), along Rocky Creek between Mill Mountain and Buzzard Mountain, N of Co. NN. | 654382 | ||
| Usnea amblyoclada (Müll.Arg.) Zahlbr. | R. C. Harris 25553 22 Sep 1990 | United States of America. Missouri. Shannon Co. Ozark National Scenic Riverways, Rocky Falls, off Co. Rd. NN along falls of Rocky Creek. | 654383 | ||
| Usnea amblyoclada (Müll.Arg.) Zahlbr. | R. C. Harris 25643 23 Sep 1990 | United States of America. Missouri. Carter Co. Bluff on E side of Current River across from Big Spring S of Van Buren. | 654384 | ||
| Usnea amblyoclada (Müll.Arg.) Zahlbr. | R. C. Harris 31218 13 Oct 1993 | United States of America. Missouri. Reynolds Co. St. Francis Mountains, Johnson Shut-Ins State Park, E side of East Fork of Black River at Johnson Shut-Ins. | 654387 | ||
| Usnea amblyoclada (Müll.Arg.) Zahlbr. | R. C. Harris 21449 24 Apr 1988 | United States of America. Arkansas. Franklin Co. Ozark National Forest, summit of White Rock Mountain. | 654377 | ||
| Usnea amblyoclada (Müll.Arg.) Zahlbr. | R. C. Harris 21299 22 Apr 1988 | United States of America. Missouri. Saint Clair Co. Buzzard Bluff above Sac River, ca. 4 mi SE of Roscoe. | 654379 | ||
| Usnea amblyoclada (Müll.Arg.) Zahlbr. | R. C. Harris 21293 22 Apr 1988 | United States of America. Missouri. Saint Clair Co. Buzzard Bluff above Sac River, ca. 4 mi SE of Roscoe. | 654380 | ||
| Usnea amblyoclada (Müll.Arg.) Zahlbr. | R. C. Harris 45328 24 Oct 2001 | United States of America. Arkansas. Izard Co. NE corner of Devil's Knob-Devil's Backbone Natural Area, along Co. Rd. 12, 1.2 mi NNW of AR 9. | 654378 | ||
| Usnea amblyoclada (Müll.Arg.) Zahlbr. | R. C. Harris 44329 30 Oct 2000 | United States of America. Oklahoma. Cherokee Co. J. T. Nickel Family Nature and Wildlife Preserve (J5 Ranch), ca. 1.2 mi N of Sparrowhawk Mountain, Goats Bluff above Illinois River. | 654388 | ||
| Usnea pensylvanica Motyka | Feb 1901 | United States of America. Connecticut. Windham Co. South Canterbury. | 364063 | ||
| Usnea pensylvanica Motyka | J. H. Barnhart 1889 1886-1887 | United States of America. Connecticut. Fairfield Co. Danbury. | 364062 | ||
| Usnea pensylvanica Motyka | R. C. Harris 21415 24 Apr 1988 | United States of America. Arkansas. Franklin Co. Ozark National Forest, summit of White Rock Mountain. | 655606 | ||
| Usnea subscabrosa Motyka | R. C. Harris 21417 24 Apr 1988 | United States of America. Arkansas. Franklin Co. Ozark National Forest, summit of White Rock Mountain. | 655628 | ||
| Usnea subscabrosa Motyka | R. C. Harris 21436 24 Apr 1988 | United States of America. Arkansas. Franklin Co. Ozark National Forest, summit of White Rock Mountain. | 655629 | ||
| Usnea subscabrosa Motyka | R. C. Harris 21503 24 Apr 1988 | United States of America. Arkansas. Newton Co. Boston Mountains, Ozark National Forest, Alum Cove Recreation Area. | 655630 | ||
| Usnea pensylvanica Motyka | R. C. Harris 46852-A 07 Nov 2002 | United States of America. Arkansas. Pope Co. Ozark National Forest, Kings Bluff, S of AR 16, 6 mi E of AR 7 at Sand Gap. | 658151 |
