| 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 | ||
| Usnea dasaea Stirt. | R. C. Harris 46852 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. | 793379 | ||
| Usnea strigosa race acid deficient chemotype (Ach.) Eaton | WELC89759 | United States of America. Connecticut. Windham Co. East Killingly. | 364065 | ||
| Usnea endochrysea race norstictic acid chemotype Stirt. | D. M. Ladd 22092 with Mike Pederson, 03 Dec 1999 | United States of America. Arkansas. Jefferson Co. Pine Bluff Arsenal, along south side of Arkansas River, north of Pine Bluff. In vicinity of Phillips Creek unit, north of McCoy Road. | 655607 | ||
| Usnea endochrysea race norstictic acid chemotype Stirt. | R. C. Harris 21598A 25 Apr 1988 | United States of America. Arkansas. Stone Co. Ozark National Forest, Gunner Pool Recreation Area: along Little Sylamore Creek. | 655608 | ||
| Usnea endochrysea race norstictic acid chemotype Stirt. | L. Brako 2257 11 Aug 1979 | United States of America. Arkansas. Newton Co. Lost Valley, thirty miles southwest of Harrison. | 655609 | ||
| Usnea endochrysea race norstictic acid chemotype Stirt. | T. Chadwell 98 01 Mar 1996 | United States of America. Missouri. Carter Co. MOFEP site 4, in Cardareva State Forest, along north side of Current River, west of Paint Rock Creek, east of Huckleberry Hollow. | 655610 | ||
| Usnea endochrysea race norstictic acid chemotype Stirt. | E. G. Pinkley 99 20 Jul 1962 | United States of America. Missouri. Big Springs. | 655611 | ||
| Usnea endochrysea race norstictic acid chemotype Stirt. | R. C. Harris 40491 17 Apr 1997 | United States of America. Missouri. Oregon Co. Mark Twain National Forest, Falling Spring, ca. 2.4 mi E of MO 19 on Forest Service Road 3170/3164. | 655612 | ||
| Usnea endochrysea race norstictic acid chemotype Stirt. | R. C. Harris 21691 26 Apr 1988 | United States of America. Missouri. Oregon Co. Mark Twain National Forest, McCormack Lake Recreation Area. | 655613 | ||
| Usnea strigosa race psoromic acid chemotype (Ach.) Eaton | R. C. Harris 21588A 25 Apr 1988 | United States of America. Arkansas. Stone Co. Ozark National Forest, Gunner Pool Recreation Area: along Little Sylamore Creek. | 655617 | ||
| Usnea strigosa race psoromic acid chemotype (Ach.) Eaton | R. C. Harris 21598 25 Apr 1988 | United States of America. Arkansas. Stone Co. Ozark National Forest, Gunner Pool Recreation Area: along Little Sylamore Creek. | 655618 | ||
| Usnea strigosa race psoromic acid chemotype (Ach.) Eaton | A. Robinson 1 Nov 1949 | United States of America. Arkansas. Izard Co. Franklin. | 655620 | ||
| Usnea strigosa race psoromic acid chemotype (Ach.) Eaton | R. C. Harris 21691A 26 Apr 1988 | United States of America. Missouri. Oregon Co. Mark Twain National Forest, McCormack Lake Recreation Area. | 655621 | ||
| Usnea strigosa race psoromic acid chemotype (Ach.) Eaton | R. C. Harris 25936 25 Sep 1990 | United States of America. Missouri. Shannon Co. Ozark National Scenic Riverways, along St. Rd. 19, 1 mi N of Sinking Creek. | 655622 | ||
| Usnea strigosa race psoromic acid chemotype (Ach.) Eaton | O. Hawksley s.n. 14 Feb 1976 | United States of America. Missouri. Ozark Co. Garr Ridge area near Hammond. | 655623 | ||
| Usnea strigosa race psoromic acid chemotype (Ach.) Eaton | D. M. Ladd 19525 11 Mar 1996 | United States of America. Missouri. Carter Co. MOFEP site 8, at S end of Peck Ranch Conservation Area, ca. 5 mi N of hwy 60, E of Nordic Hollow, W of watershed of Midco Hollow, S of Log Spring Hollow. | 655624 | ||
| Usnea strigosa race acid deficient chemotype (Ach.) Eaton | O. Hawksley s.n. 14 Feb 1976 | United States of America. Missouri. Ozark Co. Garr Ridge area near Hammond. | 655627 | ||
| Usnea endochrysea race acid deficient chemotype Stirt. | R. C. Harris 47372 19 May 2003 | United States of America. Missouri. Douglas Co. Rippee Conservation Area, ca. 1 mi N of W end of Co. Rd. 328. | 787217 | ||
| Usnea subfloridana race squamatic acid chemotype Stirt. | J. Fowler s.n. September 1879 | Canada. New Brunswick. Grand Lake. | 1221419 | ||
| Usnea mutabilis Stirt. | C. H. Demetrio 19 Apr 1886 | United States of America. Missouri. Perry Co. Perryville. | 654398 | ||
| Usnea mutabilis Stirt. | D. M. Ladd 22046 with Mike Pederson, 02 Dec 1999 | United States of America. Arkansas. Jefferson Co. Pine Bluff Arsenal, along south side of Arkansas River, north of Pine Bluff. In vicinity of Refuge Woods unit, at south end of Arsenal. | 654390 | ||
| Usnea mutabilis Stirt. | R. C. Harris 21588 25 Apr 1988 | United States of America. Arkansas. Stone Co. Ozark National Forest, Gunner Pool Recreation Area: along Little Sylamore Creek. | 654392 | ||
| Usnea mutabilis Stirt. | D. M. Ladd 20968 19 Sep 1997 | United States of America. Missouri. Reynolds Co. MOFEP site 6, in Deer Run State Forest, ca. 1 mi N of Shannon County line, in northwest part of unit in vicinity of Paint Rock Creek. | 654393 | ||
| Usnea mutabilis Stirt. | D. M. Ladd 21326 12 May 1998 | United States of America. Missouri. Reynolds Co. MOFEP site 3, in Cardareva State Forest, ca. 1 mile north of Current River, east of Cardareva Mountain and west of Huckleberry Hollow. | 654394 | ||
| Usnea mutabilis Stirt. | D. M. Ladd 20652 29 May 1997 | United States of America. Missouri. Shannon Co. MOFEP site 1, in Carrs Creek State Forest, in north portion of unit, ca. 0.7 miles south of hwy 106, ca. 2 miles east of Current River. | 654395 | ||
| Usnea mutabilis Stirt. | R. C. Harris 25681 23 Sep 1990 | United States of America. Missouri. Carter Co. Ozark National Scenic Riverways, Big Spring area, along trail from Big Spring Lodge to Chub Hollow along Big Spring Branch and Current River; Chubb Hollow. | 654396 | ||
| Usnea mutabilis Stirt. | R. C. Harris 40471 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. | 654397 | ||
| Usnea mutabilis Stirt. | D. M. Ladd 20476 28 May 1997 | United States of America. Missouri. Carter Co. MOFEP site 9, at northeast corner of Peck Ranch Conservation Area, ca. 8 miles northwest of Van Buren. | 654399 | ||
| Usnea mutabilis Stirt. | R. C. Harris 21691B 26 Apr 1988 | United States of America. Missouri. Oregon Co. Mark Twain National Forest, McCormack Lake Recreation Area. | 654400 | ||
| Usnea mutabilis Stirt. | R. C. Harris 21720 26 Apr 1988 | United States of America. Missouri. Oregon Co. Mark Twain National Forest, McCormack Lake Recreation Area. | 655601 | ||
| Usnea mutabilis Stirt. | E. G. Pinkley 95 20 Jul 1962 | United States of America. Missouri. Big Springs. | 655602 | ||
| Usnea mutabilis Stirt. | R. C. Harris 44293 30 Oct 2000 | United States of America. Oklahoma. Cherokee Co. J. T. Nickel Family Nature and Wildlife Preserve (J5 Ranch), ca. 7 mi NE of Tahlequah, Tully Hollow. | 655604 | ||
| Usnea mutabilis Stirt. | R. C. Harris 46852-B 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. | 658152 | ||
| Usnea mutabilis Stirt. | R. C. Harris 48596 16 Oct 2003 | United States of America. Missouri. Ripley Co. Mudpuppy Conservation Area, 0-1 mi NW of MO Hwy BB, ca. 4 mi N of US 160. | 816642 | ||
| Usnea mutabilis Stirt. | R. C. Harris 48724-A 18 Oct 2003 | United States of America. Missouri. Oregon Co. Mark Twain National Forest, Greer Spring Trail, W of MO Hwy 19, ca. 1.2 mi N of Greer. | 816768 | ||
| Usnea trichodea Ach. | A. Robinson Jr. 9 5 Sep 1950 | United States of America. Arkansas. Washington Co. Haberton Bluff. | 799624 | ||
| Usnea mutabilis Stirt. | R. C. Harris 47850 23 May 2003 | United States of America. Missouri. Lincoln Co. Cuivre River State Park, Big Sugar Creek Wild Area, Big Sugar Creek Trail. | 680502 | ||
| Usnea strigosa race norstictic acid chemotype (Ach.) Eaton | D. Ertz 5587 with W. R. Buck, R. C. Harris, A. Amtoft, C. Gueidan, & D. Ladd, 17 Oct 2003 | United States of America. Missouri. Ripley Co. Mudpuppy Conservation Area, 0-1 mi NW of MO Hwy BB, ca. 4 mi N of US 160. | |||
| Usnea pensylvanica Motyka | R. C. Harris 48933 14 Apr 2004 | United States of America. Oklahoma. Cherokee Co. Cookson Wildlife Management Area, E of Blue Top Road, 2 mi S of headquarters. | 689338 | ||
| Usnea mutabilis Stirt. | R. C. Harris 48933-A 14 Apr 2004 | United States of America. Oklahoma. Cherokee Co. Cookson Wildlife Management Area, E of Blue Top Road, 2 mi S of headquarters. | 689339 |
