Aceraceae GH: 01791016  Acer glabrum diffusum (Greene) Smiley USA: Utah Near Navajo Trail below Wall St., Bryce Nat'...  H. Buchanan 151 1957-6-24 
 Asteraceae GH: 02216372  Chrysothamnus depressus
Asteraceae GH: 02216372  Chrysothamnus depressus  Nuttall USA: Utah 1/2 mile west of Far View Pt., Bryce Canyon ...  H. Buchanan 281 1957-8-7 
 Berberidaceae GH: 02169219  Mahonia fremontii
Berberidaceae GH: 02169219  Mahonia fremontii  (Torrey) Fedde USA: Utah In Water Canyon near Tropic road, Bryce Cany...  H. Buchanan 157 1957-6-27 
 Boraginaceae GH: 02060201  Oreocarya confertiflora
Boraginaceae GH: 02060201  Oreocarya confertiflora  Greene USA: Utah Along road through Tropic Canyon, 1 mi. from...  H. Buchanan 122 1957-6-15 
 GH: 02060509  Oreocarya flavoculata
 GH: 02060509  Oreocarya flavoculata  A. Nelson USA: Utah 50 yds. west of Park boundary on Tropic road...  H. Buchanan 124 1957-6-15 
 Brassicaceae GH: 01687227  Physaria hitchcockii rubicundula
Brassicaceae GH: 01687227  Physaria hitchcockii rubicundula (Rollins) O'Kane & Al-Shehbaz USA: Utah One mile east of Park boundary, near Tropic ...  H. Buchanan 119 1957-6-15 
 GH: 01687304  Physaria intermedia
 GH: 01687304  Physaria intermedia  (S. Watson) O'Kane & Al-Shehbaz USA: Utah Near Hwy. 12, 1 mile west of Bryce Canyon CA...  H. Buchanan 126 1957-6-15 
 Cyperaceae GH: 01774434  Carex rostrata
Cyperaceae GH: 01774434  Carex rostrata  Stokes USA: Utah [data not captured]   H. Buchanan 145 1957-6-23 
 Elaeagnaceae GH: 01577038  Shepherdia rotundifolia
Elaeagnaceae GH: 01577038  Shepherdia rotundifolia  Parry USA: Utah Near Sheep Creek, Bryce Canyon National Park   H. Buchanan 316 1957-8-22 
 Ericaceae GH: 01117566  Arctostaphylos patula
Ericaceae GH: 01117566  Arctostaphylos patula  Greene USA: Utah Two miles north of Far View Point, Bryce Can...  H. Buchanan 110 1957-6-11 
 Fabaceae GH: 02052134  Astragalus kentrophyta implexus
Fabaceae GH: 02052134  Astragalus kentrophyta implexus (Canby) Barneby USA: Utah 1/4 mile west of Ponderosa Viewpoint on Rain...  H. Buchanan 182 1957-7-9 
 Gentianaceae GH: 02166238  Gentianopsis thermalis
Gentianaceae GH: 02166238  Gentianopsis thermalis  (Kuntze) Iltis USA: Utah Near Sieler Meadow, East Fork of Sevier Rive...  H. Buchanan 311 1957-8-18 
 Geraniaceae GH: 01866113  Geranium richardsonii
Geraniaceae GH: 01866113  Geranium richardsonii  Fischer & C. A. Meyer USA: Utah 1/4 mile west of Ponderosa Viewpoint on Rain...  H. Buchanan 185 1957-7-9 
 Lamiaceae GH: 01553075  Hedeoma drummondii
Lamiaceae GH: 01553075  Hedeoma drummondii  Bentham USA: Utah 1/2 mile south of cattle guard on Rainbow Pt...  H. Buchanan 331 1957-8-26 
 Onagraceae GH: 01644321  Oenothera howardii
Onagraceae GH: 01644321  Oenothera howardii  M. E. Jones ex Prain USA: Utah North of Park Hdqtrs., Bryce Canyon National...  H. Buchanan 160 1957-7-3 
 Orobanchaceae GH: 01876216  Castilleja chromosa
Orobanchaceae GH: 01876216  Castilleja chromosa  A. Nelson USA: Utah 50 yds west of Park boundary on Tropic Road,...  H. Buchanan 123 1957-6-15 
 GH: 01879957  Cordylanthus kingii
 GH: 01879957  Cordylanthus kingii  S. Watson USA: Utah On Whiteman Bench, 2 1/2 miles north of Far ...  H. Buchanan [data not captured] 250 1957-7-26 
 Papaveraceae GH: 01738534  Corydalis aurea occidentalis
Papaveraceae GH: 01738534  Corydalis aurea occidentalis (Engelmann ex A. Gray) Ownbey USA: Utah Near "The Pines" Cafe, 7 miles west of Bryce...  H. Buchanan [data not captured] 155 1957-6-25 
 Pinaceae GH: 01113496  Pseudotsuga menziesii
Pinaceae GH: 01113496  Pseudotsuga menziesii  (Mirbel) Franco USA: Utah One mile north of Far View Pt. on Rainbow Pt...  H. Buchanan 104 1957-6-10 
 Polemoniaceae GH: 01574780  Phlox muscoides
Polemoniaceae GH: 01574780  Phlox muscoides  Nuttall USA: Utah Near Hey. 12, one mile west of Bryce Canyon ...  H. Buchanan 127 1957-6-15 
 Polygonaceae GH: 02004315  Rumex triangulivalvis
Polygonaceae GH: 02004315  Rumex triangulivalvis  (Danser) K. H. Rechinger USA: Utah Between pumping station and road near East F...  H. Buchanan 148 1957-6-23 
 Primulaceae GH: 01922774  Dodecatheon pulchellum
Primulaceae GH: 01922774  Dodecatheon pulchellum  (Rafinesque) Merrill USA: Utah Between pumping station and road near East F...  H. Buchanan 142 1957-6-23 
 Ranunculaceae GH: 01661180  Halerpestes cymbalaria
Ranunculaceae GH: 01661180  Halerpestes cymbalaria  (Pursh) Green USA: Utah Between pumping station and road near East F...  H. Buchanan 143 1957-6-23 
 Rosaceae GH: 01590064  Holodiscus microphyllus glabrescens
Rosaceae GH: 01590064  Holodiscus microphyllus glabrescens (Greenman) Ley USA: Utah Near Yovimpa Point, Bryce Canyon National Pa...  H. Buchanan 217 1957-7-21 
 GH: 01566126  Ivesia sabulosa
 GH: 01566126  Ivesia sabulosa  (M. E. Jones) D. D. Keck USA: Utah Near Oastler Castle in Campbell Canyon, Bryc...  H. Buchanan 244 1957-7-25 
 GH: 01862330  Peraphyllum ramosissimum
 GH: 01862330  Peraphyllum ramosissimum  Nuttall USA: Utah Near Yovimpa Pass, Bryce Canyon National Par...  H. Buchanan 219 1957-7-21 
 GH: 01725825  Prunus virginiana demissa
 GH: 01725825  Prunus virginiana demissa (Nuttall) Torrey USA: Utah leading to Whiteman Bench on Rainbow Pt. roa...  H. Buchanan 165 1957-7-3 
 Saxifragaceae GH: 01633933  Ribes cereum
Saxifragaceae GH: 01633933  Ribes cereum  Douglas USA: Utah 2 miles north of Far View Pt., Bryce Canyon ...  H. Buchanan 105 1957-6-11 
