FH: 00388157 Agonimia tristicula (Nylander) Zahlbruckner USA: Colorado Little Thompson Canyon W. A. Weber 1961-4-17
FH: 00259898 Alectoria glabra Motyka USA: Wyoming Silver Gate, along trail to Silver Creek Fal... W. A. Weber 1973-8-22
FH: 00388281 Alectoria ochroleuca (Hoffmann) A. Massalongo Canada: Alberta [data not captured] W. A. Weber 1959
FH: 00388301 Alectoria sarmentosa (Acharius) Acharius Canada: British Columbia [data not captured] W. A. Weber 1964
FH: 00388691 Amandinea punctata (Hoffmann) Coppins & Scheidegger USA: Colorado [data not captured] W. A. Weber 1954
FH: 00418237 Arthonia caesia (Flotow) Körber USA: Iowa [data not captured] W. A. Weber 1955
FH: 00418354 Arthonia glebosa Tuckerman USA: Colorado [data not captured] W. A. Weber 1962
FH: 00197380 Arthonia parantillarum Aptroot Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Acad... W. A. Weber 1964-1-22
FH: 00197380 Arthonia platyspilea Nylander Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Acad... W. A. Weber 1964-1-22
FH: 00418743 Arthonia rubella (Fée) Nylander USA: Texas [data not captured] W. A. Weber 1974
FH: 00197437 Buellia glaziouana (Krempelhuber) Müller Argoviensis Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), alon... W. A. Weber 1964-2-16
FH: 00197437 Buellia mamillana (Tuckerman) W. A. Weber Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), alon... W. A. Weber 1964-2-16
FH: 00197442 Buellia modesta (Krempelhuber) Müller Argoviensis Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
FH: 00197442 Buellia sp. Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
FH: 00408822 Buellia triphragmioides Anzi USA: Colorado [data not captured] W. A. Weber 1978-7-6
FH: 00408821 Buellia zahlbruckneri J. Steiner USA: Arizona [data not captured] W. A. Weber 1963-10-27
FH: 00409641 Candelariella deflexa (Nylander) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1972
FH: 00409683 Candelariella placodizans (Nylander) H. Magnusson Canada: [data not captured] W. A. Weber 1959
FH: 00409684 Candelariella rosulans (Müller Argoviensis) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1967
FH: 00409685 Candelariella rosulans (Müller Argoviensis) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1967
FH: 00409694 Candelariella spraguei (Tuckerman) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1955
FH: 00409860 Catapyrenium daedaleum (Krempelhuber) Th. Fries USA: Colorado [data not captured] W. A. Weber 9592 1956
FH: 00197200 Cora pavonia (Swartz) Fries Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable I.): trail fr... W. A. Weber 1964-1-25
FH: 00393577 Cyphelium brunneum W. A. Weber USA: California [data not captured] W. A. Weber 1966-4-6
FH: 00393642 Cyphelium inquinans (Smith) Trevisan USA: Colorado [data not captured] W. A. Weber 1967-6-3
FH: 00393643 Cyphelium inquinans (Smith) Trevisan USA: Colorado [data not captured] W. A. Weber 1967-6-3
FH: 00393642 Cyphelium tigillare (Acharius) Acharius USA: Colorado [data not captured] W. A. Weber 1967-6-3
FH: 00393643 Cyphelium tigillare (Acharius) Acharius USA: Colorado [data not captured] W. A. Weber 1967-6-3
FH: 00393830 Cystocoleus ebeneus (Dillwyn) Thwaites USA: Colorado [data not captured] W. A. Weber 1975-9-28
FH: 00394365 Dermatocarpon miniatum (Linnaeus) W. Mann USA: Colorado [data not captured] W. A. Weber 1965-4-7
FH: 00394255 Dermatocarpon moulinsii (Montagne) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1954-6-9
FH: 00394897 Diploschistes ocellatus (Fries) Norman Mexico: Chihuahua [data not captured] W. A. Weber 1977-10-13
FH: 00439186 Endocarpon pusillum Hedwig USA: Colorado [data not captured] W. A. Weber 1973-8-26
FH: 00439314 Evernia perfragilis Llano Canada: Northwest Territories [data not captured] W. A. Weber 1959-8-13
FH: 00439468 Evernia prunastri (Linnaeus) Acharius USA: California [data not captured] W. A. Weber 1966-3-27
FH: 00197388 Graphis caesiella Vainio Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
FH: 00438684 Lecania constricta W. A. Weber USA: Colorado [data not captured] W. A. Weber 1981-9
FH: 00430393 Lecidella elaeochroma (Acharius) M. Choisy USA: Colorado [data not captured] W. A. Weber 1954-8-25
FH: 00430428 Lecidella stigmatea (Acharius) Hertel & Leuckert USA: Colorado [data not captured] W. A. Weber 1971-1-24
FH: 00430742 Leptogium burnetiae C. W. Dodge USA: Colorado [data not captured] W. A. Weber 1975-9-23
FH: 00197188 Leptogium marginellum (Swartz) S. Gray Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable I.): vicinity... W. A. Weber 1964-1-21
FH: 00197424 Loxospora ochrophaea (Tuckerman) R. C. Harris Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-27
FH: 00454847 Nephroma expallidum (Nylander) Nylander Canada: Alberta [data not captured] W. A. Weber 1959-7-24
FH: 00454907 Nephroma helveticum Acharius USA: Colorado [data not captured] W. A. Weber 1959-4-29
FH: 00454908 Nephroma helveticum Acharius USA: Colorado [data not captured] W. A. Weber 1960-7-12
FH: 00197226 Parmotrema cristiferum (Taylor) Hale Ecuador: Galapagos Province Isla Santa Cruz (indefatigable I.), vicinity... W. A. Weber 1964-1-21
FH: 00197228 Parmotrema dominicanum (Vainio) Hale Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Nels... W. A. Weber 1964-1-27
FH: 00467930 Parmotrema perlatum (Hudson) M. Choisy USA: Iowa [data not captured] W. A. Weber 1955-9-10
FH: 00197179 Parmotrema tinctorum (Nylander) Hale Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable I.): vicinity... W. A. Weber 1964-1-21
FH: 00197180 Parmotrema tinctorum (Nylander) Hale Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable I.), 1/4 mile... W. A. Weber 1964-1-27
FH: 00469802 Peltigera horizontalis (Hudson) Baumgarten USA: Colorado [data not captured] W. A. Weber 1975-9-23
FH: 00469898 Peltigera malacea (Acharius) Funck Canada: Alberta [data not captured] W. A. Weber 1959-7-22
FH: 00470548 Peltigera scabrosa Th. Fries USA: Colorado [data not captured] W. A. Weber 1975-9-23
FH: 00470644 Peltigera spuria (Acharius) de Candolle USA: Colorado [data not captured] W. A. Weber 1954-7-18
FH: 00197382 Phaeographis dendritica (Acharius) Müller Argoviensis Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
FH: 00472365 Phaeophyscia constipata (Nylander) Moberg USA: Colorado [data not captured] W. A. Weber 1956-5-25
FH: 00197186 Physcia aspera H. Magnusson Ecuador: Galapagos Province Tower Island, edge of new lava flow N of Dar... W. A. Weber 1964-1-21
FH: 00472365 Physcia constipata (Nylander) Vainio USA: Colorado [data not captured] W. A. Weber 1956-5-25
FH: 00473111 Physcia dubia (Hoffmann) Lettau USA: South Dakota [data not captured] W. A. Weber 1956-12-31
FH: 00473076 Physcia stellaris (Linnaeus) Nylander USA: South Dakota [data not captured] W. A. Weber 1956-12-31
FH: 00473111 Physcia teretiuscula (Acharius) Lynge USA: South Dakota [data not captured] W. A. Weber 1956-12-31
FH: 00473230 Physconia detersa (Nylander) Poelt USA: Colorado [data not captured] W. A. Weber 1972-10-1
FH: 00474142 Polychidium muscicola (Swartz) Gray USA: Colorado [data not captured] W. A. Weber 1975-9-28
FH: 00474144 Polychidium muscicola (Swartz) Gray USA: Colorado [data not captured] W. A. Weber 1959-5-2
FH: 00475256 Psorotichia sp. USA: Texas [data not captured] W. A. Weber 1974-4-30
FH: 00468280 Punctelia rudecta (Acharius) Krog USA: Iowa [data not captured] W. A. Weber 1955-9-10
FH: 00197241 Pyrenula cerina Eschweiler Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Nels... W. A. Weber 1964-2-21
FH: 00475693 Pyrenula nitidella maculata R. C. Harris USA: Texas [data not captured] W. A. Weber 1974-5-27
FH: 00197237 Pyrenula ochraceoflava (Nylander) R. C. Harris Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
FH: 00197421 Pyrenula ochraceoflava (Nylander) R. C. Harris Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Islo... W. A. Weber 1964-2-13
FH: 00477543 Rhizocarpon cookeanum H. Magnusson USA: Idaho [data not captured] W. A. Weber 8289 1953-4-27
FH: 00477907 Rhizocarpon rittokense (Hellbom) Th. Fries Canada: Alberta [data not captured] W. A. Weber 1959-7-27
FH: 00478333 Rinodina marysvillensis H. Magnusson USA: California [data not captured] W. A. Weber 1975-3-15
FH: 00478334 Rinodina milvina (Wahlenberg) Th. Fries USA: Colorado [data not captured] W. A. Weber 1957-2-18
FH: 00478417 Rinodina siouxiana Sheard USA: South Dakota [data not captured] W. A. Weber 1956-12-31
FH: 00197337 Roccella babingtonii Montagne Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 386 1964-1-21
FH: 00197338 Roccella babingtonii Montagne Ecuador: Galapagos Province Isla Santa Cruz (indefatigable Island), in c... W. A. Weber 1964-1-27
FH: 00197337 Roccella gracilis Bory Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 386 1964-1-21
FH: 00197338 Roccella gracilis Bory Ecuador: Galapagos Province Isla Santa Cruz (indefatigable Island), in c... W. A. Weber 1964-1-27
FH: 00197314 Roccella margaritifera B. Werner & Follmann Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), on h... W. A. Weber 1964-2-13
FH: 00197315 Roccella nigerrima (Darbishire) Follmann Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-27
FH: 00197314 Roccella portentosa (Montagne) Darbishire Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), on h... W. A. Weber 1964-2-13
FH: 00197315 Roccella portentosa (Montagne) Darbishire Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-27
FH: 00197382 Sarcographa tricosa (Acharius) Müller Argoviensis Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
FH: 00478577 Sarcogyne clavus (de Candolle) Krempelhuber USA: Texas [data not captured] W. A. Weber 1974-4-28
FH: 00302413 Sarcogyne desolata (H. Magnusson) K. Knudsen & S. M. Standley USA: Colorado Spruce Canyon near campground, Mesa Verde Na... W. A. Weber S 2383 1954-6-9
FH: 00478631 Sarcogyne regularis Körber USA: Texas [data not captured] W. A. Weber 1974-4-30
FH: 00479223 Staurothele catalepta (Acharius) Blomberg & Forssell USA: Utah [data not captured] W. A. Weber 1956-6-3
FH: 00479227 Staurothele catalepta (Acharius) Blomberg & Forssell USA: Colorado [data not captured] W. A. Weber 1955-7-17
FH: 00479228 Staurothele catalepta (Acharius) Blomberg & Forssell USA: Colorado [data not captured] W. A. Weber 1956-6-20
FH: 00479212 Staurothele clopima (Wahlenberg) Th. Fries USA: Colorado [data not captured] W. A. Weber 1955-7-17
FH: 00479212 Staurothele drummondii (Tuckerman) Tuckerman USA: Colorado [data not captured] W. A. Weber 1955-7-17
FH: 00479200 Staurothele sp. USA: Colorado [data not captured] W. A. Weber 1965-8-24
FH: 00480897 Teloschistes euplocus (Tuckerman) Zahlbruckner USA: Texas [data not captured] W. A. Weber 1974-4-29
FH: 00197410 Teloschistes flavicans (Swartz) Norman Ecuador: Galapagos Province Isla Santa Cruz (indefatigable Island), alon... W. A. Weber 1964-1-27
FH: 00197412 Teloschistes flavicans (Swartz) Norman Ecuador: Galapagos Province Wenman Island [Isla Wolf], summit plateau W. A. Weber 212 1964-2-15
FH: 00491425 Thyrea pulvinata (Schaerer) A. Massalongo USA: Colorado [data not captured] W. A. Weber 1955-2-28
FH: 00491428 Thyrea pulvinata (Schaerer) A. Massalongo USA: Colorado [data not captured] W. A. Weber 1957-3-30
FH: 00492514 Umbilicaria cylindrica (Linnaeus) Delise Canada: Nunavut [data not captured] W. A. Weber 1959-8-11
FH: 00492669 Umbilicaria hyperborea (Acharius) Hoffmann USA: Colorado [data not captured] W. A. Weber 1965-7-18
FH: 00492728 Umbilicaria krascheninnikovii (Savicz) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1967-7-12
FH: 00492729 Umbilicaria krascheninnikovii (Savicz) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1967-7-12
FH: 00492988 Umbilicaria phaea Tuckerman USA: Colorado [data not captured] W. A. Weber 1955-11-28
FH: 00492997 Umbilicaria phaea Tuckerman USA: California [data not captured] W. A. Weber 1964-9-3
FH: 00492728 Umbilicaria polaris (Scholander) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1967-7-12
FH: 00492729 Umbilicaria polaris (Scholander) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1967-7-12
FH: 00455855 Umbilicaria virginis Schaerer USA: Colorado [data not captured] W. A. Weber 1963-7-9
FH: 00494165 Verrucaria fuscella (Turner) Winch USA: Colorado [data not captured] W. A. Weber 1953-9-8
FH: 00494177 Verrucaria inficiens Breuss USA: Colorado [data not captured] W. A. Weber 1972-4-12
FH: 00494178 Verrucaria inficiens Breuss USA: Utah [data not captured] W. A. Weber 1956-6-3
FH: 00405832 Xanthoparmelia chiricahuensis (R. A. Anderson & W. A. Weber) O. Blanco, A. Crespo, J. A. Elix, D. L. Hawksworth & H. T. Lumbsch USA: Texas [data not captured] W. A. Weber 1974-5-1
FH: 00405750 Xanthoparmelia conspersa (Ehrhart ex Acharius) Hale USA: Colorado [data not captured] W. A. Weber 1955
FH: 00394654 Xanthoparmelia wyomingica (Gyelnik) Hale USA: Colorado [data not captured] W. A. Weber 1976-6-22
FH: 00393982 Xanthoria candelaria (Linnaeus) Th. Fries Mexico: Baja California Norte Mexicali: [data not captured] W. A. Weber 1966-4-23
FH: 00372228 Xanthoria polycarpa (Hoffmann) Rieber USA: Colorado [data not captured] W. A. Weber 1917
FH: 00372229 Xanthoria polycarpa (Hoffmann) Rieber USA: Colorado [data not captured] W. A. Weber 1955
FH: 00370625 Xanthoria polycarpa (Hoffmann) Rieber USA: California [data not captured] W. A. Weber 1966-3-27
Acarosporaceae FH: 00302603 Acarospora carnegiei Zahlbruckner USA: Colorado Bluebell Canyon, base of 'Flatirons', foothi... W. A. Weber 1957-3-25
FH: 00388034 Acarospora contigua H. Magnusson USA: Texas Texas Bollander W. A. Weber 1959
FH: 00302413 Acarospora desolata H. Magnusson USA: Colorado Spruce Canyon near campground, Mesa Verde Na... W. A. Weber S 2383 1954-6-9
FH: 00302603 Acarospora fuscata (Schrader) Arnold USA: Colorado Bluebell Canyon, base of 'Flatirons', foothi... W. A. Weber 1957-3-25
FH: 00302399 Acarospora obnubila H. Magnusson USA: Colorado upper part of Gregory Gulch, between Flagsta... W. A. Weber S 15985 1956-5-15
FH: 00302534 Acarospora obnubila H. Magnusson USA: Colorado mouth of Gregory Canyon, foothills of Front ... W. A. Weber 1957-2-18
FH: 00302452 Acarospora rosulata (Th. Fries) H. Magnusson USA: Colorado cliffs, rimrock of Blue Mesa, 6 mi. S.W. of ... W. A. Weber S 6285 1955-7-27
FH: 00302603 Acarospora rosulata (Th. Fries) H. Magnusson USA: Colorado Bluebell Canyon, base of 'Flatirons', foothi... W. A. Weber 1957-3-25
FH: 00302161 Acarospora scotica Hue USA: Colorado steep wooded slopes, mouth of Gregory Canyop... W. A. Weber 1957-2-18
FH: 00302399 Acarospora sp. USA: Colorado upper part of Gregory Gulch, between Flagsta... W. A. Weber S 15985 1956-5-15
FH: 00302413 Acarospora sp. USA: Colorado Spruce Canyon near campground, Mesa Verde Na... W. A. Weber S 2383 1954-6-9
FH: 00302534 Acarospora thamnina (Tuckerman) Herre USA: Colorado mouth of Gregory Canyon, foothills of Front ... W. A. Weber 1957-2-18
Aceraceae GH: 01791157 Acer grandidentatum Nuttall ex Torrey & A. Gray USA: Colorado north face of Mesa Verde a "B" Cute, Mesa Ve... W. A. Weber 5233 1949-9-14
Agyriaceae FH: 00197585 Trapeliopsis glaucopholis (Nylander ex Hasse) Printzen & McCune USA: California base of Rocky Hill, 3 miles SE of Exeter, on... W. A. Weber 1964-9-3
FH: 00491784 Trapeliopsis granulosa (Hoffmann) Lumbsch USA: Colorado [data not captured] W. A. Weber 1980-5-11
Amblystegiaceae FH: 00800578 Calliergon sarmentosum (Wahlenberg) Kindberg USA: Colorado [data not captured] W. A. Weber 8833 1954-7-3
FH: 00800591 Calliergon sarmentosum beringianum (Cardot & Thériot) Grout USA: Colorado [data not captured] W. A. Weber 8974 1954-10-9
FH: 00800686 Calliergon stramineum (Dickson ex Bridel) Kindberg USA: Colorado [data not captured] W. A. Weber 1956-6-27
FH: 00794438 Drepanocladus exannulatus (Bruch, Schimper & W. Gümbel) Warnstorf USA: Colorado [data not captured] W. A. Weber 1986-9-14
FH: 00794441 Drepanocladus exannulatus (Bruch, Schimper & W. Gümbel) Warnstorf USA: Colorado [data not captured] W. A. Weber 1956-6-27
FH: 00795784 Drepanocladus uncinatus (Hedwig) Warnstorf USA: Colorado [data not captured] W. A. Weber 8865 1954-8-7
FH: 00839038 Hygrohypnum luridum (Hedwig) Jennings USA: Colorado [data not captured] W. A. Weber 1955-7-17
FH: 00839257 Hygrohypnum ochraceum (Turner ex Wilson) Loeske USA: Colorado [data not captured] W. A. Weber B-91846 1986-9-14
Apiaceae GH: 00549679 Cymopterus alpinus A. Gray USA: Colorado 3 mi. N. of Almont on road to Crested Butte W. A. Weber 9379 1955-8-2
GH: 00549679 Oreoxis alpina puberulenta W. A. Weber USA: Colorado 3 mi. N. of Almont on road to Crested Butte W. A. Weber 9379 1955-8-2
GH: 00549679 Oreoxis bakeri J. M. Coulter & Rose USA: Colorado 3 mi. N. of Almont on road to Crested Butte W. A. Weber 9379 1955-8-2
Aspleniaceae GH: 02070149 Asplenium trichomanes Linnaeus Canada: British Columbia in the Eagle River Canyon, 25 miles west of ... W. A. Weber 2537 1941-7-21
Asteraceae GH: 02140823 Agoseris agrestis Osterhout USA: Colorado along Conejos River ca. 5 mi. n. w. of junct... W. A. Weber 7861 1952-7-20
GH: 02140882 Agoseris aurantiaca aurantiaca Canada: British Columbia [data not captured] W. A. Weber 2346 1941-7-7
GH: 02141287 Agoseris glauca dasycephala (Torr. & A. Gray) Jepson Canada: Alberta [data not captured] W. A. Weber 2401 1941-7-10
GH: 02141731 Agoseris parviflora (Nuttall) D. Dietrich USA: Colorado 1 mi. w. of Cimsrron W. A. Weber 7468 1952-5-30
GH: 01234016 Artemisia michauxiana Besser Canada: Alberta on the North slope of the mountain just Sout... W. A. Weber 2444 1941-7-12
GH: 01234287 Artemisia pattersonii A. Gray USA: Colorado along trail to Chasm Lake, east foot of Long... W. A. Weber 5722 1950-7-20
GH: 02141944 Askellia elegans (Hooker) W. A. Weber Canada: British Columbia [data not captured] W. A. Weber 2251 1941-7-2
GH: 02141992 Askellia pygmaea (Ledebour) Sennikov Canada: Alberta [data not captured] W. A. Weber 2435 1941-7-12
GH: 01923001 Brickellia brachyphylla (A. Gray) A. Gray USA: Colorado Spruce Tree Canyon between Park Museum and S... W. A. Weber 5216 1949-9-10
GH: 01923076 Brickellia californica (Torrey & A. Gray) A. Gray USA: Colorado Spruce Tree Canyon between Park Museum and S... W. A. Weber 5215 1949-9-14
GH: 01923790 Brickellia microphylla scabra A. Gray USA: Colorado Spruce Tree Canyon between Park Museum and S... W. A. Weber 5243 1949-9-14
GH: 02172342 Centaurea diffusa Lamarck USA: Colorado 4 miles above El Vade on Magnolia Road W. A. Weber 1963-9-15
GH: 02021781 Cirsium scopulorum (Greene) Cockerell USA: Colorado just below summit on south side of Slumguill... W. A. Weber 1964-8-3
GH: 02021862 Cirsium undulatum (Nuttall) Sprengel USA: Colorado slope of Blue Mesa a few miles southwest of ... W. A. Weber 8559 1953-7-17
GH: 02207695 Erigeron aureus Greene Canada: British Columbia [data not captured] W. A. Weber 2287 1941-7-3
GH: 02206090 Erigeron chrysopsidis austiniae (Greene) Cronquist USA: Idaho [data not captured] W. A. Weber 8475 1953-5-26
GH: 02206173 Erigeron compositus Pursh Canada: British Columbia [data not captured] W. A. Weber 2269 1941-7-3
GH: 02206611 Erigeron consimilis Cronquist USA: Colorado SE slope of Cold Spring Mountain, on primiti... W. A. Weber 13061 1967-6-10
GH: 02352230 Erigeron peregrinus (Banks ex Pursh) Greene Canada: British Columbia [data not captured] W. A. Weber 2264 1941-7-3
GH: 02352513 Erigeron philadelphicus Linnaeus USA: Colorado meadow 7 mi. east of Gunnison along Tomichi ... W. A. Weber 9155 1955-7-11
GH: 02204254 Heterotheca subaxillaris (Lamarck) Britton & Rusby USA: Colorado on south bank of Cimarron River, s.e. corner... W. A. Weber 5165 1949-8-31
GH: 02204600 Heterotheca villosa minor (Hooker) Semple Canada: British Columbia [data not captured] W. A. Weber 2244 1941-7-2
GH: 02204728 Heterotheca villosa minor (Hooker) Semple USA: Washington [data not captured] W. A. Weber 2234 1941-7-1
GH: 01831263 Hieracium albiflorum Hooker USA: Washington [data not captured] W. A. Weber 2235 1941-7-1
GH: 02213745 Liatris squarrosa glabrata (Rydberg) Gaiser USA: Colorado 12 mi. s. of Holyoke W. A. Weber 5037 1949-7-20
GH: 00011954 Packera cana (Hooker) W. A. Weber & Á. Löve USA: Colorado Along road to Stone Cellar R.S. and Saguache... W. A. Weber 5800 1950-7-28
GH: 02022429 Saussurea densa (Hooker) Rydberg Canada: Alberta [data not captured] W. A. Weber 2425 1941-7-12
GH: 00011954 Senecio canus Hooker USA: Colorado Along road to Stone Cellar R.S. and Saguache... W. A. Weber 5800 1950-7-28
GH: 00011954 Senecio hallii Britton USA: Colorado Along road to Stone Cellar R.S. and Saguache... W. A. Weber 5800 1950-7-28
GH: 00011954 Senecio hallii discoidea W. A. Weber USA: Colorado Along road to Stone Cellar R.S. and Saguache... W. A. Weber 5800 1950-7-28
GH: 01925999 Vernonia marginata (Torrey) Rafinesque USA: Colorado on south bank of Cimarron River, Piper Ranch... W. A. Weber 5193 1949-8-31
Aulacomniaceae FH: 00522894 Aulacomnium acuminatum (Lindberg & Arnell) Kindberg Canada: Northwest Territories [data not captured] W. A. Weber B 2928 1959-8-16
Aytoniaceae FH: 00495185 Asterella ludwigii (Schwägrichen) Underwood ex Frye & L. Clark USA: Colorado Gunnison: [data not captured] W. A. Weber 1955
Bartramiaceae FH: 00787190 Bartramia stricta Bridel USA: Colorado [data not captured] W. A. Weber 1948-3-20
FH: 00824857 Philonotis fontana (Hedwig) Bridel USA: Colorado [data not captured] W. A. Weber 8834 1954-7-3
FH: 00304370 Philonotis fontana pumila (Turner) Bridel USA: Colorado [data not captured] W. A. Weber 8829 1954-7-3
Betulaceae GH: 02198720 Alnus incana tenuifolia (Nuttall) Breitung Canada: British Columbia along the Moyie River 6 miles north of Kings... W. A. Weber 2238 1941-7-2
GH: 02195194 Betula glandulosa Michaux Canada: Alberta at Bow Summit; between the Mistaya and Bow R... W. A. Weber 2466 1941-7-13
GH: 02195274 Betula glandulosa Michaux USA: Colorado Pikes Peak, cog railroad route between Mount... W. A. Weber 13270 1967-7-6
GH: 02195273 Betula glandulosa Michaux USA: Colorado Pikes Peak, cog railroad route between Mount... W. A. Weber 13271 1967-7-6
GH: 02194149 Betula occidentalis Hooker Canada: British Columbia Along the banks of the Bull River, 6 miles n... W. A. Weber 2246 1941-7-2
GH: 02194141 Betula occidentalis Hooker Canada: British Columbia west bank of the Kootenay River 17 miles nor... W. A. Weber 2399 1941-7-9
GH: 02194275 Betula occidentalis Hooker USA: Colorado Pikes Peak, cog railroad route between Mount... W. A. Weber 13276 1967-7-6
GH: 02194915 Betula papyrifera Marshall USA: Colorado n.w. slope of Green Mountain, just s.w. of B... W. A. Weber 4924 1949-7-9
Boraginaceae GH: 01957933 Cryptantha ambigua (A. Gray) Greene USA: Colorado Smelter Hill, along road (Hwy, 10) between G... W. A. Weber 13143 1967-6-9
GH: 02024969 Cryptantha pattersoni (A. Gray) Greene USA: Utah along road from Dinosaur Monument headquarte... W. A. Weber 5423 1950-5-20
GH: 02025079 Cryptantha recurvata Coville USA: Colorado beneath northwest escarpment, Colorado Natio... W. A. Weber 3761 1948-5-21
GH: 00096289 Cryptantha weberi I. M. Johnston USA: Colorado Along road to Stone Cellar R. S. and Saguach... W. A. Weber 5778 1950-7-28
GH: 00096290 Cryptantha weberi I. M. Johnston USA: Colorado 4 mi SW of Cochetopa Pass, 9700 ft, about 11... W. A. Weber 5778 1950-7-28
GH: 01994661 Lappula echinata Gilibert USA: Colorado roadside along Cochetopa Pass Hwy., 4 mi. s.... W. A. Weber 9452 1955-8-10
GH: 01994895 Lappula redowskii (Hornemann) Greene Canada: British Columbia along the banks of the Bull River, 6 miles n... W. A. Weber 2247 1941-7-2
GH: 01994894 Lappula redowskii (Hornemann) Greene Canada: British Columbia along the banks of the Bull River 6 miles no... W. A. Weber 2258 1941-7-2
GH: 02058993 Mertensia paniculata (Aiton) G. Don Canada: British Columbia along streambank at the Fire Warden's cabin ... W. A. Weber 2300 1941-7-6
GH: 01872764 Myosotis alpestris asiatica Vestergren ex Hultén Canada: British Columbia slope on the cirque wall, east side of Goat ... W. A. Weber 2273 1941-7-3
GH: 01659817 Myosotis scorpioides Linnaeus Canada: British Columbia stream below a farmhouse on the west side of... W. A. Weber 2255 1941-7-2
A: 02059723 Oreocarya bakeri Greene USA: Colorado along main highway, 4 mi. west of Gunnison W. A. Weber 9145 1955-7-9
GH: 02059750 Oreocarya breviflora Osterhout USA: Utah low hogbacks 2 mi. e. of Dinosaur Monument h... W. A. Weber 5429 1950-5-20
GH: 02059749 Oreocarya breviflora Osterhout USA: Utah draw behind headquarters, Dinosaur National ... W. A. Weber 5310 1950-5-18
GH: 02060270 Oreocarya elata Eastwood USA: Colorado 7 mi. N and 2 mi. W of Fruita W. A. Weber 11294 1962-5-19
GH: 02060288 Oreocarya flava A. Nelson USA: Colorado rim of canyon just n. of Coke Ovens, Colo. N... W. A. Weber 3838 1948-5-21
GH: 02060419 Oreocarya flavoculata A. Nelson USA: Colorado along Government Creek, 5 miles north of Rif... W. A. Weber 3738 1948-5-20
GH: 02060415 Oreocarya flavoculata A. Nelson USA: Colorado Gypsum Valley 4 mi. e. of Gypsum Gap, T. 44 ... W. A. Weber 4723 1949-6-9
GH: 02060414 Oreocarya flavoculata A. Nelson USA: Colorado 2 mi. n.w. of Elk Springs on Youghall road W. A. Weber 5413 1950-5-19
GH: 02060503 Oreocarya flavoculata A. Nelson USA: Utah Park City formation between Dinosaur Monumen... W. A. Weber 5350 1950-5-18
GH: 02060502 Oreocarya flavoculata A. Nelson USA: Utah hogbacks between Dinosaur Monument headquart... W. A. Weber 5342 1950-5-18
GH: 02060893 Oreocarya longiflora A. Nelson USA: Colorado beneath northwest escarpment, Colorado Natio... W. A. Weber 3799 1948-5-21
GH: 02060949 Oreocarya nitida Greene USA: Colorado Gypsum Valley 4 mi. e. of Gypsum Gap, T 44 N... W. A. Weber 4718 1949-6-9
GH: 02061050 Oreocarya paradoxa A. Nelson USA: Colorado Gypsum Valley, 4 mi. e. of Gypsum Gap, T. 44... W. A. Weber 4722 1949-6-9
GH: 02061049 Oreocarya paradoxa A. Nelson USA: Colorado [on summit of ridge] above Mancos River, 23 ... W. A. Weber 4790 1949-6-12
GH: 02061079 Oreocarya rollinsii (I. M. Johnston) W. A. Weber USA: Utah hogbacks between Dinosaur Monument headquart... W. A. Weber 5345 1950-5-18
GH: 02061125 Oreocarya sericea (A. Gray) Greene USA: Colorado shelf road from Dotsero toward Coffeepot Spr... W. A. Weber 12051 1963-6-12
GH: 02061124 Oreocarya sericea (A. Gray) Greene USA: Colorado along Colorado River between Grand Valley an... W. A. Weber 3735 1948
Brachytheciaceae FH: 00787920 Brachythecium plumosum (Hedwig) Bruch, Schimper & C. Gümbel USA: Colorado [data not captured] W. A. Weber 9120 1955-7-20
FH: 00996362 Brachythecium washingtonianum D. C. Eaton & Grout USA: Washington on rocks, spring fed bankes of Wind River at... W. A. Weber 2813a 1945-9-22
FH: 00981452 Camptothecium lutescens (Hedwig) Schimper USA: Oregon Gorton Creek, near Wyeth W. A. Weber 2727 1945-2-25
FH: 00515756 Chamberlainia collina (Schleicher ex Müller Halle) H. Robinson USA: Colorado [data not captured] W. A. Weber 7760 1952-7-1
FH: 00515452 Chamberlainia erythrorrhiza (Schimper) H. Robinson USA: Colorado [data not captured] W. A. Weber 1988-6-28
FH: 00797572 Eurhynchium pulchellum diversifolium (Schimper) C. E. O. Jensen USA: Colorado [data not captured] W. A. Weber 1955-7-20
FH: 00981452 Homalothecium fulgescens (Mitten ex Müller Halle) A. Jaeger USA: Oregon Gorton Creek, near Wyeth W. A. Weber 2727 1945-2-25
FH: 00981452 Homalothecium lutescens (Hedwig) H. Robinson USA: Oregon Gorton Creek, near Wyeth W. A. Weber 2727 1945-2-25
Brassicaceae GH: 00992404 Alyssum simplex Rudolphi USA: Colorado crossing of South Boulder Creek, 6 miles S o... W. A. Weber 13187 1967-6-27
GH: 00960405 Arabis hirsuta pycnocarpa (M. Hopkins) Rollins Canada: British Columbia bars of the Elk River near the fire warden's... W. A. Weber 2307 1941-7-6
GH: 01153892 Boechera divaricarpa (A. Nelson) A. Löve & D. Löve USA: Colorado Morrison Formation, 3 mi. n. of Kremmling W. A. Weber 4909 1949-7-3
GH: 00960341 Boechera retrofracta (Graham) A. Löve & D. Löve Canada: British Columbia bars of the Elk River near the Fire Warden's... W. A. Weber 2301 1941-7-6
GH: 01155148 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Colorado along highway between Clark and Seedhouse G.... W. A. Weber 6969 1951-7-24
GH: 01155154 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Colorado Trail from Slavonia to Mica Creek, along Gil... W. A. Weber 7089 1951-7-29
GH: 00971698 Draba praealta Greene Canada: British Columbia on a trail north along the foot of Sheep Mtn... W. A. Weber 2322 1941-7-7
GH: 01540149 Eutrema penlandii Rollins USA: Colorado slopes of Sheridan Mt. above Hilltop Mine W. A. Weber 13315 1967-7-12
GH: 01176403 Eutrema salsugineum (Pallas) Al-Shehbaz & S. I. Warwick USA: Colorado alkaline flat 3.8 miles west of Hartsel Junc... W. A. Weber 12925 1965-8-11
GH: 01540902 Isatis tinctoria Linnaeus USA: Utah 2 mi. n. of Brigham City W. A. Weber 8480 1953-5-27
GH: 01550498 Nerisyrenia linearifolia (S. Watson) Greene USA: New Mexico between Three Rivers and Tularosa W. A. Weber 12101 1964-4-23
GH: 01573542 Physaria acutifolia Rydberg USA: Utah between Dinosaur National Monument headquart... W. A. Weber 5343 1950-5-18
GH: 01687835 Physaria osterhoutii Payson USA: Colorado 3 mi. north of Kremmling W. A. Weber 4902 1949-7-3
GH: 01687839 Physaria osterhoutii Payson USA: Colorado 5 mi. e. of Kremmling W. A. Weber 4917 1949-7-3
GH: 01176403 Thellungiella salsuginea O. E. Schulz USA: Colorado alkaline flat 3.8 miles west of Hartsel Junc... W. A. Weber 12925 1965-8-11
Bryaceae FH: 00797674 Bryum alpinum Hudson ex Withering USA: Colorado [data not captured] W. A. Weber 4531 1949-3-20
FH: 00995735 Leptobryum pyriforme (Hedwig) Wilson USA: Iowa Ledges State Park, lower Pease Creek W. A. Weber 1946-8-30
FH: 00916164 Pohlia cruda (Hedwig) Lindberg USA: Colorado [data not captured] W. A. Weber 1954-6-5
FH: 00916713 Pohlia nutans (Hedwig) Lindberg USA: Colorado [data not captured] W. A. Weber 1956-7
Caesalpiniaceae GH: 01676921 Hoffmannseggia glauca (Ortega) Eifert USA: New Mexico 15 miles E of Portales on road to Arch W. A. Weber 11,468 1962-6-15
Caliciaceae FH: 00390569 Calicium viride Persoon Canada: Alberta Banff: [data not captured] W. A. Weber 1959
FH: 00394813 Diploicia canescens (Dickson) A. Massalongo USA: California [data not captured] W. A. Weber 1966-4-14
FH: 00197186 Dirinaria neotropica Kalb Ecuador: Galapagos Province Tower Island, edge of new lava flow N of Dar... W. A. Weber 1964-1-21
FH: 00197236 Pyxine petricola Nylander Ecuador: Galapagos Province Isla Santa Cruz (indefatigable Island), trai... W. A. Weber 1964-2-21
FH: 00197236 Pyxine pringlei Imshaug Ecuador: Galapagos Province Isla Santa Cruz (indefatigable Island), trai... W. A. Weber 1964-2-21
Caloplacaceae FH: 00390815 Caloplaca chrysophtalma Degelius USA: New Mexico [data not captured] W. A. Weber 1965
FH: 00390825 Caloplaca cinnamomea (Th. Fries) H. Olivier USA: Colorado [data not captured] W. A. Weber 1966
FH: 00390852 Caloplaca citrina (Hoffmann) Th. Fries USA: Colorado [data not captured] W. A. Weber 1982
FH: 00409464 Caloplaca epithallina Lynge USA: Colorado [data not captured] W. A. Weber 1977
FH: 00409358 Caloplaca oblongula (H. Magnusson) Wetmore USA: Colorado [data not captured] W. A. Weber S 2399 1954
FH: 00409452 Caloplaca stanfordensis H. Magnusson USA: California [data not captured] W. A. Weber 1966
FH: 00409464 Caloplaca submexicana (B. de Lesdain) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1977
FH: 00409467 Caloplaca subnitida (Malme) Zahlbruckner USA: Texas [data not captured] W. A. Weber 1974
Candelariaceae FH: 00409464 Candelina submexicana (B. de Lesdain) Poelt USA: Colorado [data not captured] W. A. Weber 1977
Caryophyllaceae GH: 01741056 Arenaria capillaris americana Maguire Canada: British Columbia on slope of Goat Mountain, in the Elk River ... W. A. Weber 2280 1941-7-4
GH: 01741733 Arenaria lanuginosa (Michaux) Rohrbach USA: Colorado between Pitkin and Cumberland Pass; 1 mi. ab... W. A. Weber 9150 1955-7-11
GH: 01714520 Moehringia lateriflora (Linnaeus) Fenzl Canada: British Columbia on the east slope of Sheep Mountain in the E... W. A. Weber 2339 1941-7-7
GH: 01714131 Moehringia macrophylla (Hooker) Fenzl USA: Colorado trail from Ohio Creek Guard Station to Flore... W. A. Weber 9204 1955-7-16
GH: 01715811 Sagina saginoides (Linnaeus) H. Karsten Canada: British Columbia East slope of Sheep Mtn, Elk River Valley, 3... W. A. Weber 2347 1941-7-7
GH: 01752756 Silene menziesii Hooker Canada: British Columbia moraine along Goat Creek, in the Valley of t... W. A. Weber 2299 1941-7-4
GH: 01752757 Silene menziesii Hooker Canada: British Columbia on the east side of Sheep mountain near the ... W. A. Weber 2372 1941-7-7
GH: 01623738 Stellaria nitens Nuttall ex Torrey & A. Gray Canada: British Columbia in the valley of the Elk River 37 miles nort... W. A. Weber 2390 1941-7-8
Catillariaceae FH: 00491490 Toninia candida (Weber) Th. Fries USA: Colorado [data not captured] W. A. Weber 1954-6-9
FH: 00491551 Toninia tristis (Th. Fries) Th. Fries USA: Colorado [data not captured] W. A. Weber 1966-3-11
Cephaloziellaceae FH: 00496614 Cephaloziella byssacea (Roth) Schiffner USA: Colorado [data not captured] W. A. Weber 9022 1955-4-17
Chenopodiaceae GH: 00036887 Atriplex pleiantha W. A. Weber USA: Colorado Near Trading Post on Mancos River, southwest... W. A. Weber 4788 1949-6-12
GH: 01826835 Atriplex saccaria S. Watson USA: Colorado butte of Morrison formation, south side of C... W. A. Weber 11244 1962-5-17
GH: 00036887 Atriplex sp. USA: Colorado Near Trading Post on Mancos River, southwest... W. A. Weber 4788 1949-6-12
GH: 01781153 Bassia scoparia (Linnaeus) A. J. Scott USA: Colorado just southwest of Windsor W. A. Weber 12991 1966-10-2
GH: 00036887 Proatriplex (W. A. Weber) Stutz & G. L. Chu USA: Colorado Near Trading Post on Mancos River, southwest... W. A. Weber 4788 1949-6-12
GH: 00036887 Proatriplex pleiantha (W. A. Weber) Stutz & G. L. Chu USA: Colorado Near Trading Post on Mancos River, southwest... W. A. Weber 4788 1949-6-12
GH: 01783405 Proatriplex pleiantha (W. A. Weber) Stutz & G. L. Chu USA: Colorado ca. 5 miles north of abandoned trading post ... W. A. Weber 7651 1952-6-7
GH: 01783627 Salicornia rubra A. Nelson Canada: British Columbia [data not captured] W. A. Weber 2550 1941-7-23
Cladoniaceae FH: 00197403 Cladonia chlorophaea (Flörke ex Sommerfelt) Sprengel Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), uppe... W. A. Weber 1964-1-23
FH: 00410658 Cladonia ecmocyna Leighton USA: Colorado [data not captured] W. A. Weber 1976-8-19
FH: 00197403 Cladonia subsquamosa Krempelhuber Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), uppe... W. A. Weber 1964-1-23
FH: 00391599 Cladonia sulphurina (Michaux) Fries USA: Montana [data not captured] W. A. Weber 1976-8
Cleomaceae GH: 01872083 Cleomella palmerana M. E. Jones USA: Colorado north of Mancos River, 23 mi. s. w. of Towao... W. A. Weber 4774 1949-6-12
Cleveaceae FH: 00258257 Clevea hyalina (Sommerfelt) Lindberg USA: Colorado just below Wheeler Lake, head of Platte Gulc... W. A. Weber 8844 1954-7-3
Climaciaceae FH: 00539072 Climacium dendroides (Hedwig) F. Weber & D. Mohr USA: Colorado [data not captured] W. A. Weber 8860 1954-8-7
Collemataceae FH: 00393322 Collema polycarpon Hoffmann USA: Colorado [data not captured] W. A. Weber 1972-4-12
Cupressaceae GH: 02105112 Juniperus horizontalis Moench Canada: British Columbia [data not captured] W. A. Weber 2395 1941-7-9
Cyperaceae GH: 02368793 Carex duriuscula C. A. Meyer Canada: British Columbia [data not captured] W. A. Weber 2295 1941-7-4
GH: 02370347 Carex hoodii Boott USA: Colorado along East River just below Emerald Lake W. A. Weber 9111 1955-7-13
GH: 02367723 Carex nardina Fries Canada: Alberta [data not captured] W. A. Weber 2438 1941-7-12
GH: 01774780 Carex rostrata Stokes Canada: British Columbia [data not captured] W. A. Weber 2306 1941-7-6
GH: 02369511 Carex sartwellii Dewey USA: Colorado along Tomichi Creek along Parlin-Gunnison Hi... W. A. Weber 9157 1955-7-11
GH: 01775723 Carex saxatilis Linnaeus Canada: Alberta [data not captured] W. A. Weber 2473 1941-7-13
GH: 01775084 Carex saxatilis Linnaeus USA: Colorado [data not captured] W. A. Weber 9373 1955-8-3
GH: 02368966 Carex simulata Mackenzie USA: Colorado 4-Mile Creek between 4-Mile Campground and F... W. A. Weber 13326 1967-7-13
GH: 02368965 Carex simulata Mackenzie USA: Colorado 4-Mile Creek between 4-Mile Campground and F... W. A. Weber 13332 1967-7-13
GH: 02499160 Carex sp. USA: Colorado Upper Gregory Canyon, Flagstaff Mt. 4 mi. SW... W. A. Weber 7411a 1956-5-15
Dermateaceae FH: 00377252 Xylographa rubescens Räsänen USA: Colorado Front Range of Rocky Mountains; subalpine Pi... W. A. Weber 1965-7-18
FH: 00377252 Xylographa spilomatica (Anzi) Th. Fries USA: Colorado Front Range of Rocky Mountains; subalpine Pi... W. A. Weber 1965-7-18
Dicranaceae FH: 00540810 Dichodontium pellucidum (Hedwig) Schimper USA: Washington [data not captured] W. A. Weber 2689 1945-2-4
FH: 00541537 Dicranoweisia cirrata (Hedwig) Lindberg USA: Colorado [data not captured] W. A. Weber 1955-7-27
FH: 00541616 Dicranoweisia cirrata (Hedwig) Lindberg USA: Washington [data not captured] W. A. Weber 2711 1945-2-11
FH: 00541719 Dicranoweisia crispula (Hedwig) Milde USA: Colorado [data not captured] W. A. Weber 8791 1954-7-21
FH: 00824509 Paraleucobryum enerve (Thedenius) Loeske USA: Colorado [data not captured] W. A. Weber 9641 1956-5-30
Ditrichaceae FH: 00793463 Ditrichum flexicaule (Schwägrichen) Hampe USA: Colorado [data not captured] W. A. Weber 1956-5-30
Droseraceae GH: 01143422 Drosera anglica Hudson Canada: British Columbia Northwest of Teapot Mountain, 4 miles north ... W. A. Weber 2588 1941-8-1
GH: 01145122 Drosera rotundifolia Linnaeus Canada: British Columbia Northwest of Teapot Mountain, 4 miles north ... W. A. Weber 2587 1941-8-1
Elaeagnaceae GH: 01576224 Elaeagnus commutata Bernhardi ex Rydberg Canada: British Columbia bank of the Kootenay River, 17 miles northea... W. A. Weber 2396 1941-7-9
Ericaceae GH: 01537532 Cassiope tetragona saximontana (Small) A. E. Porsild Canada: British Columbia on the east slope of Goat Creek., in the Elk... W. A. Weber 2263 1941-7-3
GH: 01562965 Empetrum nigrum Linnaeus Canada: Alberta on the west slope of the mountain just south... W. A. Weber 2415 1941-7-12
GH: 01594163 Kalmia microphylla (Hooker) A. Heller Canada: British Columbia northwest of Teapot Mt., 4 miles north of Su... W. A. Weber 2589 1941-8-1
GH: 01718501 Menziesia ferruginea Smith Canada: British Columbia below the cirque on the east side of Goat Cr... W. A. Weber 2266 1941-7-3
GH: 01719654 Orthilia secunda (Linnaeus) House Canada: British Columbia forest at Big Bend of the Columbia River, 10... W. A. Weber 2538 1941-7-20
GH: 01683938 Pyrola asarifolia Michaux Canada: British Columbia [data not captured] W. A. Weber 2314 1941-7-6
GH: 01761680 Pyrola minor Linnaeus Canada: British Columbia [data not captured] W. A. Weber 2334 1941-7-7
GH: 01762091 Rhododendron albiflorum Hooker Canada: British Columbia [data not captured] W. A. Weber 2260 1941-7-3
GH: 01763477 Rhododendron groenlandicum (Oeder) Kron & Judd Canada: British Columbia [data not captured] W. A. Weber 2313 1941-7-6
Fabaceae GH: 02067910 Astragalus alpinus Linnaeus Canada: Alberta on the north slope of the mountain just sout... W. A. Weber 2430 1941-7-12
GH: 02067944 Astragalus alpinus Linnaeus Canada: British Columbia bar of the Elk River bear the Fire Warden's ... W. A. Weber 2302 1941-7-6
GH: 02064271 Astragalus americanus (Hooker) M. E. Jones Canada: British Columbia on east slope of Sheep Mountain west of the ... W. A. Weber 2365 1941-7-7
GH: 02044328 Astragalus eucosmus B. L. Robinson USA: Colorado East River Valley, vicinity of Gothic W. A. Weber 9220 1955-7-17
GH: 02044462 Astragalus flavus candicans A. Gray USA: Colorado above river benches, McElmo Creek, 12 mi. w.... W. A. Weber 4761 1949-6-11
GH: 02044491 Astragalus flexuosus (Hooker) Douglas ex G. Don USA: Colorado ridge between Granby and Hot Sulphur Springs... W. A. Weber 4895 1949-7-2
GH: 02052895 Astragalus microcymbus Barneby USA: Colorado along main highway, 4 mi. west of Gunnison W. A. Weber 9144 1955-7-9
GH: 02049105 Astragalus miser serotinus (A. Gray ex J. G. Cooper) Barneby Canada: Alberta along the highway, 6 miles west of Banff. W. A. Weber 2402 1941-7-10
GH: 02049428 Astragalus molybdenus Barneby USA: Colorado Mosquito Pass area. South of London Hill. W. A. Weber 13346 1967-7-14
GH: 02049429 Astragalus molybdenus Barneby USA: Colorado just west of Hoosier Pass toward North Star ... W. A. Weber 6514 1951-7-7
GH: 02048442 Astragalus ripleyi Barneby USA: Colorado along Conejos River; 12 miles west of Antoni... W. A. Weber 7788 1952-7-18
GH: 02048551 Astragalus schmolliae Ced. Porter USA: Colorado on mesa-top near Headquarters Campground, Me... W. A. Weber 4823 1949-6-13
GH: 02048746 Astragalus sparsiflorus A. Gray USA: Colorado Pikes Peak, cog railroad route between Mount... W. A. Weber 13294 1967-7-6
GH: 02048975 Astragalus tenellus clementis (Rydberg) J. F. Macbride USA: Colorado between Pitkin and Cumberland Pass W. A. Weber 9151 1955-7-11
GH: 01885531 Dalea formosa Torrey USA: New Mexico 0.5 mi. S of Cabello W. A. Weber 12102 1964-4-25
GH: 01885750 Dalea lanata Sprengel USA: Colorado along south bank of Cimarron River, s.e. cor... W. A. Weber 5141 1949-8-31
GH: 01958314 Hedysarum boreale mackenzii (Richardson) S. L. Welsh Canada: Alberta on the north slope of the mountain just sout... W. A. Weber 2429 1941-7-12
GH: 01958442 Hedysarum sulphurescens Rydberg Canada: British Columbia In the Moyie River Valley, 8 miles south of ... W. A. Weber 2240 1941-7-2
GH: 02086501 Lupinus ammophilus Greene USA: Colorado 16 mi. n. of Dove Creek W. A. Weber 4751 1949-6-9
GH: 02085926 Lupinus caudatus argophyllus (A. Gray) L. Ll. Phillips USA: Colorado along East River 2 miles south of Crested Bu... W. A. Weber 9132 1955-7-7
GH: 02131358 Oxytropis podocarpa A. Gray Canada: Alberta [data not captured] W. A. Weber 2437 1941-7-12
GH: 02131561 Oxytropis splendens Douglas Canada: Alberta [data not captured] W. A. Weber 2404 1941-7-10
GH: 02131684 Parryella filifolia Torrey & A. Gray USA: Colorado bluffs above the San Juan River at Four Corn... W. A. Weber 4834 1949-6-14
GH: 02136295 Strophostyles leiosperma (Torrey & A. Gray) Piper USA: Colorado along south bank of Cimarron River, s.e. cor... W. A. Weber 5168 1949-8-31
GH: 02342642 Trifolium dasyphyllum Torrey & A. Gray USA: Colorado ridge just west of Hoosier Pass toward North... W. A. Weber 6515 1951-7-7
GH: 01539622 Vicia producta Rydberg USA: Colorado 11 mi. n. of Boulder. W. A. Weber 4691 1949-5-25
Fabroniaceae FH: 00290795 Fabronia ciliaris (Bridel) Bridel USA: Colorado [data not captured] W. A. Weber 9011 1955-2-28
Fuscideaceae FH: 00478526 Ropalospora chlorantha (Tuckerman) S. Ekman USA: Colorado [data not captured] W. A. Weber 1955-7-20
Gentianaceae GH: 02069760 Frasera coloradensis (C. M. Rogers) D. M. Post USA: Colorado 23 mi. s. of Lamar W. A. Weber 5082 1949-8-28
GH: 02167749 Gentianella propinqua (Richardson) J. M. Gillett Canada: Alberta summit of the mountain just south of Peyto L... W. A. Weber 2443 1941-7-12
GH: 02166656 Menyanthes trifoliata Linnaeus Canada: Alberta at Bow Summit; between the Mistaya and Bow R... W. A. Weber 2476 1941-7-14
Geocalycaceae FH: 00496947 Chiloscyphus pallescens (Ehrhart ex Hoffmann) Dumortier USA: Colorado [data not captured] W. A. Weber 8914 1954-7-3
FH: 00497101 Chiloscyphus polyanthos fragilis (Roth) Schiffner USA: Colorado [data not captured] W. A. Weber 1955-7-20
Geraniaceae GH: 01863885 Geranium bicknellii longipes (S. Watson) Fernald Canada: British Columbia bars of the Elk River near the Fire Warden's... W. A. Weber 2303 1941-7-6
GH: 01864972 Geranium richardsonii Fischer & C. A. Meyer Canada: British Columbia Clearings along a trail on the east side of ... W. A. Weber 2342 1941-7-7
Grimmiaceae FH: 00539430 Coscinodon calyptratus (Drummond) C. E. O. Jensen USA: Colorado [data not captured] W. A. Weber 9017 1955-3-9
FH: 00487642 Grimmia affinis Hornschuch USA: Colorado [data not captured] W. A. Weber 9062 1955-5-22
FH: 00487643 Grimmia affinis Hornschuch USA: [no data available] W. A. Weber
FH: 00557533 Grimmia donniana Smith ex Spruce USA: Colorado [data not captured] W. A. Weber 7769 1952-7-1
FH: 00487949 Grimmia plagiopoda Hedwig USA: Colorado [data not captured] W. A. Weber 9016 1955-3-30
FH: 01091051 Grimmia plagiopoda Hedwig USA: Colorado 0.5 mi. S of Marshall W. A. Weber 3273 1947-4-24
FH: 00557920 Grimmia reflexidens Müller Halle USA: Colorado [data not captured] W. A. Weber 1955-7-18
FH: 00836597 Hedwigia ciliata (Hedwig) P. Beauvois USA: Colorado [data not captured] W. A. Weber 8786 1954-7-16
FH: 00836598 Hedwigia ciliata (Hedwig) P. Beauvois USA: Colorado [data not captured] W. A. Weber 9015 1955-3-12
FH: 00838489 Hydrogrimmia mollis (Bruch & Schimper) Loeske USA: Colorado [data not captured] W. A. Weber 8542 1953-7-14
FH: 00838490 Hydrogrimmia mollis (Bruch & Schimper) Loeske USA: Colorado [data not captured] W. A. Weber 8542 1953-7-14
FH: 01091274 Racomitrium lanuginosum (Hedwig) Bridel USA: Washington above Lookout Mountain, road behind Hemlock ... W. A. Weber 2709 1945-2-11
FH: 00899765 Schistidium apocarpum (Hedwig) Bruch & Schimper USA: Colorado [data not captured] W. A. Weber 9122 1955-7-20
FH: 00899919 Schistidium apocarpum tenerrimum (Nees & Hornschuch) Limpricht USA: Colorado [data not captured] W. A. Weber B-2272 1959-9-23
Gyalectaceae FH: 00437916 Gyalecta herrei Vězda USA: California [data not captured] W. A. Weber 1966-4-2
Haloragaceae GH: 01628100 Myriophyllum sibiricum Komarov Canada: Alberta North shore of Leach Lake, 4 miles north of ... W. A. Weber 2492 1941-7-16
GH: 01628131 Myriophyllum sibiricum Komarov Canada: British Columbia 21 miles north of the 100 Mile House on the ... W. A. Weber 2570 1941-7-24
Hedwigiaceae FH: 00919628 Pseudobraunia californica (Lesquereux) Brotherus USA: Washington [data not captured] W. A. Weber 2858 1945-5-12
Hippuridaceae GH: 02000239 Hippuris vulgaris Linnaeus Canada: British Columbia [data not captured] W. A. Weber 2560 1941-7-24
GH: 02000551 Hippuris vulgaris Linnaeus Canada: British Columbia [data not captured] W. A. Weber 2581 1941-8-1
Hymeneliaceae FH: 00439127 Eiglera flavida (Hepp) Hafellner Canada: Alberta Banff: [data not captured] W. A. Weber 1959-7-27
Hypnaceae FH: 00840625 Hypnum cupressiforme Hedwig USA: Colorado [data not captured] W. A. Weber 1957-3-25
FH: 00840974 Hypnum cupressiforme resupinatum (Taylor) Schimper USA: Colorado [data not captured] W. A. Weber 9060 1955-5-23
Hypogymniaceae FH: 00450514 Hypogymnia austerodes (Nylander) Räsänen USA: Colorado [data not captured] W. A. Weber 1961-5-27
FH: 00450567 Hypogymnia enteromorpha (Acharius) Nylander USA: California [data not captured] W. A. Weber 1954-12-29
FH: 00450894 Hypogymnia physodes (Linnaeus) Nylander USA: Colorado [data not captured] W. A. Weber 1963-3-31
Icmadophilaceae FH: 00438175 Icmadophila ericetorum (Linnaeus) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1965-7-18
FH: 00491094 Thamnolia vermicularis (Swartz) Schaerer Canada: Alberta Banff: [data not captured] W. A. Weber 1959-7-24
FH: 00491075 Thamnolia vermicularis (Swartz) Schaerer USA: Colorado [data not captured] W. A. Weber 1959-9-23
Incertae sedis FH: 00197402 Arthothelium galapagoense Huneck & Follmann Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Acad... W. A. Weber 1964-2-20
FH: 00419017 Arthothelium spectabile A. Massalongo USA: Iowa [data not captured] W. A. Weber 1955
FH: 00197402 Arthothelium spilomatoides (Nylander) Zahlbruckner Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Acad... W. A. Weber 1964-2-20
Iridaceae GH: 01749757 Sisyrinchium montanum Greene Canada: British Columbia Clearing along a trail at the base of Sheep ... W. A. Weber 2317 1941-7-7
Isoetaceae GH: 02074396 Isoetes bolanderi Engelmann USA: Colorado just west of Glacier Lake, 7 mi. w. of Neder... W. A. Weber 5054 1949-8-21
Juncaceae GH: 02098691 Juncus alpinoarticulatus americanus (Farwell) Hämet-Ahti Canada: Alberta [data not captured] W. A. Weber 2503 1941-7-16
GH: 02099322 Juncus balticus ater (Rydberg) Snogerup Canada: British Columbia [data not captured] W. A. Weber 2557 1941-7-23
GH: 02463176 Juncus ensifolius Wikström Canada: British Columbia northwest of Teapot Mtn., 4 miles north of S... W. A. Weber 2594 1941-8-1
GH: 02498112 Juncus ensifolius Wikström Canada: British Columbia [data not captured] W. A. Weber 2520 1941-7-20
GH: 01547886 Juncus nodosus Linnaeus Canada: British Columbia [data not captured] W. A. Weber 2561 1941-7-24
GH: 02400956 Juncus nodosus Linnaeus USA: Colorado banks of St. Vrain Creek 1 mi. s. of Hygiene W. A. Weber 8979 1954-10-13
GH: 02398190 Juncus saximontanus A. Nelson Canada: British Columbia [data not captured] W. A. Weber 2355 1941-7-7
GH: 02398620 Juncus stygius americanus (Buchenau) Hultén Canada: British Columbia [data not captured] W. A. Weber 2601 1941-8-2
GH: 02397350 Juncus torreyi Coville Canada: British Columbia [data not captured] W. A. Weber 2553 1941-7-23
GH: 02397616 Juncus tracyi Rydberg USA: Colorado along Lower Snowmass Creek just below the ea... W. A. Weber 11,527 1962-7-12
GH: 02397868 Juncus triglumis albescens (Lange) Hultén Canada: Alberta [data not captured] W. A. Weber 2471 1941-7-13
GH: 02366462 Luzula piperi M. E. Jones Canada: Alberta [data not captured] W. A. Weber 2414 1941-7-12
Jungermanniaceae FH: 00495402 Barbilophozia hatcheri (A. W. Evans) Loeske USA: Colorado [data not captured] W. A. Weber 8790 1954-7-21
FH: 00500681 Lophozia incisa (Schrader) Dumortier USA: Colorado [data not captured] W. A. Weber 1955-7-20
Lamiaceae GH: 01552461 Lycopus asper Greene Canada: British Columbia 49 miles west of Kamloops. W. A. Weber 2545 1941-7-23
GH: 01552753 Lycopus uniflorus Michaux Canada: British Columbia northwest of Teapot Mountain, 4 miles north ... W. A. Weber 2595 1941-8-1
GH: 01599153 Monarda fistulosa mollis (Linnaeus) Bentham Canada: British Columbia on an intermontane plateau, Valley of the Bu... W. A. Weber 2245 1941-7-2
Lecanoraceae FH: 00419284 Aspicilia A. Massalongo USA: Colorado [data not captured] W. A. Weber 1959
FH: 00419115 Aspicilia caesiocinerea (Nylander ex Malbranche) Arnold USA: Colorado [data not captured] W. A. Weber 1958
FH: 00419112 Aspicilia candida (Anzi) Hue Canada: Alberta Banff: [data not captured] W. A. Weber 1959
FH: 00197808 Aspicilia desertorum (Krempelhuber) Mereschkowski USA: Colorado at base of Mt. Garfield, Little Book Cliff's... W. A. Weber 1978-5-16
FH: 00419306 Aspicilia gibbosa (Acharius) Körber USA: Colorado [data not captured] W. A. Weber 1954
FH: 00419368 Aspicilia quartzitica W. A. Weber USA: Colorado [data not captured] W. A. Weber 1971
FH: 00197808 Aspicilia sp. USA: Colorado at base of Mt. Garfield, Little Book Cliff's... W. A. Weber 1978-5-16
FH: 00419284 Aspicilia sp. USA: Colorado [data not captured] W. A. Weber 1959
FH: 00419370 Aspicilia supertegens Arnold USA: Colorado [data not captured] W. A. Weber 1954
FH: 00941162 Lecanora alphoplaca (Wahlenberg) Acharius USA: Colorado head of steep ravine along Four-Mile Creek 0... W. A. Weber S 4675 1955-2-28
FH: 00197184 Lecanora conizaea (Acharius) Nylander Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable I.), Nelson's... W. A. Weber 1964-1-27
FH: 00197184 Lecanora floridula Lumbsch Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable I.), Nelson's... W. A. Weber 1964-1-27
FH: 00451355 Lecanora marginalis Hasse USA: California [data not captured] W. A. Weber 1964-9-3
FH: 00451360 Lecanora melanophthalma (Ramond) Ramond USA: Colorado [data not captured] W. A. Weber 1971-12-24
FH: 00451361 Lecanora melanophthalma (Ramond) Ramond USA: Wyoming [data not captured] W. A. Weber 1973-8-21
FH: 00451504 Lecanora novomexicana H. Magnusson USA: Colorado [data not captured] W. A. Weber 1954-5-15
FH: 00451839 Lecanora saligna (Schrader) Zahlbruckner USA: Colorado [data not captured] W. A. Weber 1972-4-29
FH: 00451844 Lecanora sambuci (Persoon) Nylander USA: Massachusetts Hamilton: [no additional data] W. A. Weber 1961-8-20
FH: 00438972 Lecanora sp. USA: Colorado [data not captured] W. A. Weber 1986-8-10
FH: 00452019 Lecanora subfusca (Linnaeus) Acharius USA: Colorado [data not captured] W. A. Weber 1954-4
FH: 00438848 Lecanora texana W. A. Weber USA: Texas [data not captured] W. A. Weber 1974-4-29
FH: 00452261 Lecanora varia (Hoffmann) Acharius USA: Colorado [data not captured] W. A. Weber 1954-8-25
Lecideaceae FH: 00197424 Bacidia millegrana (Taylor) Zahlbruckner Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-27
FH: 00407707 Cliostomum griffithii (Smith) Coppins USA: California [data not captured] W. A. Weber 1966-4-6
FH: 00452589 Lecidea atrobrunnea (Ramond) Schaerer : North America: [no additional data] W. A. Weber
FH: 00452570 Lecidea atrobrunnea (Ramond) Schaerer USA: Colorado [data not captured] W. A. Weber 1971-1-24
FH: 00452574 Lecidea atrobrunnea (Ramond) Schaerer USA: Colorado [data not captured] W. A. Weber 1954-6-9
FH: 00452578 Lecidea atrobrunnea (Ramond) Schaerer USA: Colorado [data not captured] W. A. Weber 1965-6-22
FH: 00452717 Lecidea dolodes Nylander USA: California [data not captured] W. A. Weber 1975-2-26
FH: 00452930 Lecidea lyngei Degelius USA: Colorado [data not captured] W. A. Weber 1971-1-24
FH: 00452933 Lecidea lyngei Degelius USA: Colorado [data not captured] W. A. Weber 1973-4-24
FH: 00452934 Lecidea lyngei Degelius USA: Colorado [data not captured] W. A. Weber 1971-1-24
FH: 00452403 Lecidea sp. USA: Texas [data not captured] W. A. Weber 1974-4-29
FH: 00430229 Lecidea tessellata Flörke USA: Colorado [data not captured] W. A. Weber 1971-1-24
FH: 00430237 Lecidea tessellata Flörke USA: Colorado [data not captured] W. A. Weber 1983-11-23
FH: 00197585 Lecidea wallrothii Flörke ex Sprengel USA: California base of Rocky Hill, 3 miles SE of Exeter, on... W. A. Weber 1964-9-3
Lentibulariaceae GH: 01974197 Pinguicula vulgaris Linnaeus Canada: Alberta At Bow Summit, between the Mistaya and Bow R... W. A. Weber 2458 1941-7-13
GH: 01975259 Utricularia intermedia Hayne Canada: British Columbia Northwest of Teapot Mountain, 4 miles northw... W. A. Weber 2598 1941-8-1
GH: 01975531 Utricularia macrorhiza LeConte Canada: British Columbia Northwest of Teapot Mountain, 4 miles northw... W. A. Weber 2599 1941-8-1
Lepidoziaceae FH: 00500039 Lepidozia reptans (Linnaeus) Dumortier USA: Washington [data not captured] W. A. Weber 3187 1946-5-31
Leskeaceae FH: 00844142 Leskeella tectorum (A. Braun ex Bridel) I. Hagen USA: Colorado [data not captured] W. A. Weber 1955-7-27
FH: 00844145 Leskeella tectorum (A. Braun ex Bridel) I. Hagen USA: Colorado [data not captured] W. A. Weber 1954-6-9
FH: 00844146 Leskeella tectorum (A. Braun ex Bridel) I. Hagen USA: Colorado [data not captured] W. A. Weber 1957-3-25
Lycopodiaceae GH: 02163202 Diphasiastrum complanatum (Linnaeus) Holub Canada: British Columbia along a wagon road in the Elk River Valley, ... W. A. Weber 2376 1941-7-7
GH: 02076541 Spinulum annotinum (Linnaeus) A. Haines Canada: British Columbia along a wagon road in the Elk River Valley, ... W. A. Weber 2375 1941-7-7
Malvaceae GH: 02199501 Sphaeralcea coccinea (Nuttall) Rydberg Canada: British Columbia valley of Dead Man's Creek, 32 miles west of... W. A. Weber 2542 1941-7-23
Meesiaceae FH: 00845321 Meesia uliginosa Hedwig USA: Colorado [data not captured] W. A. Weber 1955-7-20
Megasporaceae FH: 00941162 Lobothallia alphoplaca (Wahlenberg) Hafellner USA: Colorado head of steep ravine along Four-Mile Creek 0... W. A. Weber S 4675 1955-2-28
Mniaceae FH: 00900209 Rhizomnium punctatum (Hedwig) T. J. Koponen USA: Colorado [data not captured] W. A. Weber 1955-7-20
Nyctaginaceae GH: 01846697 Tripterocalyx carneus wootonii (Standley) L. A. Galloway USA: Colorado Canyon of Mancos River southwest of Jackson ... W. A. Weber 4830 1949-6-14
Nymphaeaceae GH: 01740026 Nuphar polysepala Engelmann Canada: British Columbia by a farmhouse 29 miles north of the 100 mil... W. A. Weber 2558 1941-7-24
Ochrolechiaceae FH: 00455785 Ochrolechia upsaliensis (Linnaeus) A. Massalongo USA: Colorado [data not captured] W. A. Weber 1954-4-8
Onagraceae GH: 01675797 Chamerion latifolium (Linnaeus) Holub Canada: British Columbia bars of the Elk River, near the Fire Warden'... W. A. Weber 2305 1941-7-6
GH: 01675837 Chamerion latifolium (Linnaeus) Holub Canada: Alberta on north slope of the mountain just south of... W. A. Weber 2433 1941-7-12
GH: 01674320 Circaea alpina Linnaeus Canada: British Columbia woods between the Wood and Canoe Rivers on B... W. A. Weber 2528 1941-7-20
GH: 01673859 Epilobium anagallidifolium Lamarck Canada: Alberta on the north slope of the mountain south of ... W. A. Weber 2447 1941-7-12
GH: 01776233 Epilobium lactiflorum Haussknecht Canada: Alberta at Bow Summit; between the Mistaya and Bow R... W. A. Weber 2465 1941-7-13
GH: 01778321 Gaura villosa villosa Torrey USA: Colorado on south bank of Cimarron River in s.e. corn... W. A. Weber 5142 1949-8-31
Ophioglossaceae GH: 02282680 Botrychium lunaria (Linnaeus) Swartz Canada: British Columbia [data not captured] W. A. Weber 2336 1941-7-7
Orchidaceae AMES: 02032960 Goodyera oblongifolia Rafinesque Canada: British Columbia Big Bend Highway, 78 Miles North of Golden W. A. Weber 2508 1941-7-19
AMES: 02028345 Goodyera repens ophioides Fernald Canada: British Columbia Big Bend of the Columbia River 100 miles nor... W. A. Weber 2524 1941-7-20
AMES: 02063363 Platanthera dilatata (Pursh) Lindley ex Beck Canada: British Columbia at the north end of a trail along the base o... W. A. Weber 2326 1941-7-7
AMES: 02045493 Platanthera huronensis (Nuttall) Lindley Canada: British Columbia at the north end of a trail along the Base o... W. A. Weber 2327 1941-7-7
AMES: 02046611 Platanthera orbiculata (Pursh) Lindley Canada: British Columbia at Big Bend of the Columbia River 100 miles ... W. A. Weber 2523 1941-7-20
AMES: 02050148 Platanthera stricta Lindley Canada: British Columbia near the summit of Mt. Revelstoke, Mt. Revel... W. A. Weber 2510 1941-7-20
Orobanchaceae GH: 01878890 Castilleja rhexifolia Rydberg Canada: British Columbia north of the cirque on Goat Creek Mtn., in t... W. A. Weber 2281 1941-7-4
GH: 01879149 Castilleja septentrionalis Lindley Canada: Alberta Bow Summit; between the Bow and Mistaya Rive... W. A. Weber 2421 1941-7-12
GH: 02081226 Orthocarpus luteus Nuttall Canada: British Columbia 12 miles north of La LaHache, on the Cariboo... W. A. Weber 2575 1941-7-24
GH: 02081800 Pedicularis bracteosa Bentham Canada: Alberta Bow Summit; between the Mistaya and Bow Rive... W. A. Weber 2459 1941-7-13
GH: 02080496 Pedicularis crenulata Bentham USA: Colorado 2 mi. s.w. of Logcabin, drainage of Cache La... W. A. Weber 4855 1949-6-25
GH: 02080789 Pedicularis groenlandica Retzius Canada: Alberta Bow Summit; between the Mistaya and Bow Rive... W. A. Weber 2422 1941-7-12
GH: 02079957 Pedicularis racemosa Douglas ex Bentham Canada: British Columbia Mt. Revelstoke, Mt. Revelstoke National Park... W. A. Weber 2512 1941-6-20
GH: 02078673 Rhinanthus minor Linnaeus Canada: British Columbia Cariboo Trail, 31 miles north of Clinton. W. A. Weber 2573 1941-7-24
Orthotrichaceae FH: 00544991 Amphidium mougeotii (Bruch & Schimper) Schimper USA: Oregon [data not captured] W. A. Weber 2778 1945-4-8
FH: 00898073 Orthotrichum macounii Austin USA: Oregon [data not captured] W. A. Weber 3203 1945-9-7
FH: 00898074 Orthotrichum macounii Austin USA: Colorado [data not captured] W. A. Weber 8792 1954-7-21
FH: 00996918 Orthotrichum rivulare Turner USA: Oregon in dark red-brown tufts on small boulders in... W. A. Weber 2889 1945-6-14
FH: 00780819 Orthotrichum striatum Hedwig USA: Oregon [data not captured] W. A. Weber 2796 1945-2-25
Pannariaceae FH: 00474548 Protopannaria pezizoides (Weber ex F. H. Wiggers) P. M. Jørgensen & S. Ekman USA: Colorado [data not captured] W. A. Weber 1972-9-17
FH: 00475231 Psoroma hypnorum (Vahl) Gray USA: Colorado [no additional data] W. A. Weber 1965-4-7
Papaveraceae GH: 01738232 Corydalis aurea Willdenow Canada: British Columbia in the valley of the Elk River, near Goat Cr... W. A. Weber 2296 1941-7-4
GH: 01739107 Corydalis sempervirens (Linnaeus) Persoon Canada: British Columbia slope 25 yards from the beach, on Campbell I... W. A. Weber 2600 1941-8-1
Parmeliaceae FH: 00388399 Allocetraria madreporiformis (Withering) Kärnefelt & A. Thell USA: Colorado [data not captured] W. A. Weber 1967
FH: 00388400 Allocetraria madreporiformis (Withering) Kärnefelt & A. Thell USA: Colorado [data not captured] W. A. Weber 1967
FH: 00408412 Brodoa oroarctica (Krog) Goward USA: Colorado [data not captured] W. A. Weber 1977
FH: 00413016 Cetraria aculeata (Schreber) Fries Canada: Northwest Territories [data not captured] W. A. Weber 1959
FH: 00413152 Cetraria fendleri (Nylander) Tuckerman USA: Arizona [data not captured] W. A. Weber 1963
FH: 00413351 Cetrariella delisei (Bory ex Schaerer) Kärnefelt & A. Thell Canada: Northwest Territories [data not captured] W. A. Weber 1959
FH: 00393519 Cornicularia normoerica (Gunnerus) Du Rietz USA: Oregon [data not captured] W. A. Weber 1964-9-11
FH: 00393875 Dactylina arctica (Hooker f.) Nylander Canada: Northwest Territories [data not captured] W. A. Weber 1959-8-11
FH: 00439671 Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell Canada: Northwest Territories [data not captured] W. A. Weber 1959-8-13
FH: 00439633 Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell USA: Alaska [data not captured] W. A. Weber 1956-7-25
FH: 00439783 Flavocetraria nivalis (Linnaeus) Kärnefelt & A. Thell Canada: Alberta [data not captured] W. A. Weber 1959-7-22
FH: 00438867 Kaernefeltia californica (Tuckerman) A. Thell & Goward USA: Oregon [data not captured] W. A. Weber 1964-9-10
FH: 00442922 Letharia vulpina (Linnaeus) Hue USA: Nevada [data not captured] W. A. Weber 1964-6-25
FH: 00453842 Melanohalea exasperatula (Nylander) O. Blanco, A. Crespo, P. K. Divakar, Esslinger, D. Hawksworth & Lumbsch USA: Colorado [data not captured] W. A. Weber 1965-6-22
FH: 00455209 Nephromopsis californica Gyelnik USA: California [data not captured] W. A. Weber 1964-9-6
FH: 00455881 Omphalodium arizonicum (Tuckerman ex Willey) Tuckerman USA: New Mexico [data not captured] W. A. Weber 1960-6-25
FH: 00197226 Parmelia cristifera Taylor Ecuador: Galapagos Province Isla Santa Cruz (indefatigable I.), vicinity... W. A. Weber 1964-1-21
FH: 00197228 Parmelia dominicana Vainio Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Nels... W. A. Weber 1964-1-27
FH: 00467930 Parmelia perlata (Hudson) Acharius USA: Iowa [data not captured] W. A. Weber 1955-9-10
FH: 00197179 Parmelia tinctorum Despréaux ex Nylander Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable I.): vicinity... W. A. Weber 1964-1-21
FH: 00197180 Parmelia tinctorum Despréaux ex Nylander Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable I.), 1/4 mile... W. A. Weber 1964-1-27
FH: 00474599 Protoparmelia badia (Hoffmann) Hafellner Canada: Northwest Territories [data not captured] W. A. Weber 1959-8-13
FH: 00197301 Usnea angulata Acharius Ecuador: Galapagos Province Isla Santa Cruz, Tortoise Reserve, south sid... W. A. Weber 1971-6-11
FH: 00493633 Usnea flagellata Motyka USA: Oregon [data not captured] W. A. Weber 8021 1953-3-15
FH: 00197301 Usnea paradoxa (Zahlbruckner) Motyka Ecuador: Galapagos Province Isla Santa Cruz, Tortoise Reserve, south sid... W. A. Weber 1971-6-11
FH: 00493893 Usnea scabrata Nylander Canada: Alberta [data not captured] W. A. Weber 1959-7-25
FH: 00405799 Vulpicida tilesii (Acharius) Mattsson & M. J. Lai Canada: Northwest Territories [data not captured] W. A. Weber 1959-8-16
FH: 00405794 Vulpicida tilesii (Acharius) Mattsson & M. J. Lai USA: Colorado [data not captured] W. A. Weber 1955-7-25
Parnassiaceae GH: 01855351 Parnassia fimbriata K. D. Koenig Canada: Alberta at Bow Summit; between the Mistaya and Bow R... W. A. Weber 2468 1941-7-13
GH: 01855376 Parnassia fimbriata K. D. Koenig Canada: British Columbia on a trail north along the foot of Sheep Mt.... W. A. Weber 2349 1941-7-7
GH: 01787164 Parnassia palustris parviflora (de Candolle) B. Boivin Canada: Alberta shore of Leach Lake, 4 miles north of Athaba... W. A. Weber 2500 1941-7-16
Pelliaceae FH: 00508221 Pellia fabroniana Raddi USA: Colorado [data not captured] W. A. Weber 8699 1954-8-25
Peltigeraceae FH: 00478832 Solorina crocea (Linnaeus) Acharius USA: Colorado [data not captured] W. A. Weber 1955-7-11
Pertusariaceae FH: 00471242 Pertusaria maculata Erichsen USA: Colorado [data not captured] W. A. Weber 1954-8-25
Physciaceae FH: 00197425 Anaptychia Körber Ecuador: Galapagos Province Isla Isabela, [Volcán Alcedo] rim of Volcan... W. A. Weber
FH: 00388799 Anaptychia bryorum Poelt USA: Colorado [data not captured] W. A. Weber 1963
FH: 00388811 Anaptychia ciliaris (Linnaeus) Körber ex A. Massalongo Canada: Northwest Territories [data not captured] W. A. Weber 1959
FH: 00197425 Heterodermia circinalis (Zahlbruckner) W. A. Weber Ecuador: Galapagos Province Isla Isabela, [Volcán Alcedo] rim of Volcan... W. A. Weber
FH: 00450318 Heterodermia leucomela (Linnaeus) Poelt Mexico: Chihuahua [data not captured] W. A. Weber 1977-8-1
Plagiochilaceae FH: 00508563 Plagiochila asplenioides (Linnaeus) Dumortier USA: Colorado [data not captured] W. A. Weber 8857 1954-8-7
Plantaginaceae GH: 00466537 Callitriche hermaphroditica Linnaeus Canada: British Columbia along the Crooked River 24 miles north of Su... W. A. Weber 2583 1941-7-31
GH: 02000873 Linaria dalmatica (Linnaeus) Miller USA: Colorado along roadsides at southern edge of town of ... W. A. Weber 12047 1963-6-12
GH: 02120997 Penstemon lyallii (A. Gray) A. Gray Canada: British Columbia [data not captured] W. A. Weber 2253 1941-7-2
GH: 01801220 Penstemon versicolor Pennell USA: Colorado benches above Arkansas River on north side o... W. A. Weber 4679 1949-5-21
GH: 01801597 Penstemon yampaensis Penland USA: Colorado along road from Greystone to crossing of Lit... W. A. Weber 13139 1967-6-9
GH: 01801596 Penstemon yampaensis Penland USA: Colorado mouth of Irish Canyon W. A. Weber 13060 1967-6-10
GH: 01803473 Plantago patagonica Jacquin Canada: British Columbia [data not captured] W. A. Weber 2539 1941-7-22
GH: 01804720 Veronica alpina alterniflora Fernald Canada: Alberta [data not captured] W. A. Weber 2419 1941-7-12
GH: 01804787 Veronica americana Schweinitz ex Bentham Canada: British Columbia [data not captured] W. A. Weber 2358 1941-7-7
Poaceae GH: 01813541 Bothriochloa barbinodis (Lagasca) Herter USA: Colorado canyon of the Dolores River 20 mi. south of ... W. A. Weber 9526 1955-8-22
GH: 01813597 Bothriochloa laguroides torreyana (Steudel) Allred & Gould USA: Colorado along roadside, Boulder-Denver Toll Road on ... W. A. Weber 12056 1963-7-29
Polemoniaceae GH: 01083707 Aliciella pentstemonoides (M. E. Jones) J. M. Porter USA: Colorado rimrock of Blue Mesa, 6 mi. S.W. of Sapinero... W. A. Weber 9356 1955-7-27
GH: 01565817 Navarretia leucocephala minima (Nuttall) A. G. Day USA: Colorado Mesa Trail, between Boulder and Eldorado Spr... W. A. Weber 11552 1963-7-28
Polygonaceae GH: 02346793 Bistorta vivipara (Linnaeus) Gray Canada: Alberta [data not captured] W. A. Weber 2470 1941-7-13
GH: 01618345 Eriogonum bicolor M. E. Jones USA: Colorado 7 mi. N and 2 mi. W of Fruita W. A. Weber 11278 1962-5-19
GH: 01652192 Eriogonum divaricatum Hooker USA: Colorado above Mancos River near trading post just ab... W. A. Weber 4798 1949-6-12
GH: 01652574 Eriogonum flavum piperi (Greene) M. E. Jones Canada: British Columbia in the Valley of the Kootenay River, 17 mile... W. A. Weber 2397 1941-7-9
GH: 01652995 Eriogonum heracleoides angustifolium (Nuttall) Torrey & A. Gray Canada: British Columbia 12 miles north of Lac La Hache, on the Carib... W. A. Weber 2576 1941-7-24
GH: 01851575 Eriogonum leptophyllum (Torrey) E. O. Wooton & P. C. Standley USA: Colorado northeast of Four Corners W. A. Weber 5223 1949-9-13
GH: 01986433 Eriogonum ovalifolium Nuttall Canada: British Columbia north of the cirque on the east slope of Goa... W. A. Weber 2277 1941-7-3
GH: 02043388 Eriogonum umbellatum majus Bentham Canada: British Columbia ledge north of the cirque on the east slope ... W. A. Weber 2278 1941-7-3
GH: 02365803 Oxyria digyna (Linnaeus) Hill Canada: British Columbia [data not captured] W. A. Weber 2274 1941-7-3
GH: 02364233 Persicaria amphibia (Linnaeus) Delarbre Canada: British Columbia [data not captured] W. A. Weber 2566 1941-7-24
GH: 02007233 Polygonum polygaloides confertiflorum (Nuttall ex Piper) J. C. Hickman USA: Washington [data not captured] W. A. Weber 2231 1941-7-1
GH: 02007768 Polygonum sawatchense Small USA: Colorado 3 mi. N. of Almont on road to Crested Butte W. A. Weber 9376 1955-8-2
GH: 02005461 Rumex maritimus fueginus (Philippi) Dusén Canada: British Columbia [data not captured] W. A. Weber 2567 1941-7-24
GH: 02004670 Stenogonum flexum (M. E. Jones) Reveal USA: Colorado above the north bank, San Juan River just no... W. A. Weber 4811 1949-6-13
GH: 02004685 Stenogonum salsuginosum Nuttall USA: Colorado north bank of Mancos River east of its junct... W. A. Weber 4800 1949-6-12
Polytrichaceae FH: 00917377 Polytrichastrum formosum (Hedwig) G. L. Smith USA: Alaska [data not captured] W. A. Weber 1956-8-1
FH: 00917452 Polytrichastrum lyallii (Mitten) G. L. Smith USA: Colorado [data not captured] W. A. Weber 8855 1954-8-7
FH: 00918646 Polytrichum juniperinum Hedwig USA: Colorado [data not captured] W. A. Weber 1954-7-3
Porpidiaceae FH: 00474471 Porpidia macrocarpa (de Candolle) H. Hertel & A. J. Schwab USA: Colorado [data not captured] W. A. Weber 1954-4-18
Potamogetonaceae GH: 00449407 Potamogeton alpinus tenuifolius (Rafinesque) Ogden Canada: British Columbia [data not captured] W. A. Weber 2577 1941-8-1
Pottiaceae FH: 00540411 Desmatodon latifolius (Hedwig) Bridel USA: Colorado [data not captured] W. A. Weber 8836 1954-7-3
FH: 00540426 Desmatodon latifolius (Hedwig) Bridel USA: Colorado [data not captured] W. A. Weber 1955
FH: 00995605 Tortula bistratosa Flowers USA: Colorado Gunbarrel hill, 8 mi. NE of Boulder W. A. Weber 80947 1949-5-26
Primulaceae GH: 01942552 Androsace septentrionalis glandulosa (Wooton & Standley) H. St. John Canada: Alberta in the Public Camp ground under Pilot Mounta... W. A. Weber 2403 1941-7-10
GH: 01922616 Dodecatheon pulchellum (Rafinesque) Merrill Canada: Alberta at Bow Summit; between the Bow and Mistaya V... W. A. Weber 2463 1941-7-13
Psoraceae FH: 00474976 Psora concava B. de Lesdain USA: Colorado [data not captured] W. A. Weber 1983-5-21
FH: 00475007 Psora crenata (Taylor) Reinke USA: Colorado [data not captured] W. A. Weber 1954-5-15
FH: 00474982 Psora luridella (Tuckerman) Fink USA: Colorado [data not captured] W. A. Weber 1975-8-27
FH: 00475131 Psora rubiformis (Wahlenberg ex Acharius) Hooker Canada: Alberta [data not captured] W. A. Weber 1959-7-22
FH: 00475129 Psora rubiformis (Wahlenberg ex Acharius) Hooker USA: Colorado [data not captured] W. A. Weber 1963-3-31
FH: 00475176 Psora russellii (Tuckerman) A. Schneider USA: Colorado [data not captured] W. A. Weber 1954-6-9
FH: 00475615 Psorula rufonigra (Tuckerman) Gotth. Schneider USA: Texas [data not captured] W. A. Weber 1974-4-28
FH: 00475616 Psorula rufonigra (Tuckerman) Gotth. Schneider USA: Colorado [data not captured] W. A. Weber 1964-7-29
Pyrenopsidaceae FH: 00455821 Omphalaria kansana Tuckerman USA: Colorado [data not captured] W. A. Weber 1966-3-11
Pyrenulaceae FH: 00197237 Anthracothecium ochraceoflavum (Nylander) Müller Argoviensis Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
FH: 00197421 Anthracothecium ochraceoflavum (Nylander) Müller Argoviensis Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Islo... W. A. Weber 1964-2-13
Ramalinaceae FH: 00408283 Biatora vernalis (Linnaeus) Fries USA: Massachusetts [data not captured] W. A. Weber 1961
FH: 00408284 Biatora vernalis (Linnaeus) Fries USA: Massachusetts [data not captured] W. A. Weber 1961
FH: 00197365 Phyllopsora corallina (Eschweiler) Müller Arg. Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
FH: 00197365 Phyllopsora furfuracea Zahlbruckner Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
FH: 00197365 Phyllopsora intermediella (Nylander) Zahlbruckner Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
Ranunculaceae GH: 01706981 Anemone drummondii lithophila (Rydberg) C. L. Hitchcock Canada: Alberta Summit of mountain just south of Peyto Lake W. A. Weber 2428 1941-7-12
GH: 01707367 Anemone multifida saxicola Boivin Canada: British Columbia on the slope of Goat Mtn., in the Elk River ... W. A. Weber 2271 1941-7-3
GH: 01707579 Anemone occidentalis S. Watson Canada: Alberta on slope of mountain just south of Peyto Lak... W. A. Weber 2416 1941-7-12
GH: 01707823 Anemone parviflora Michaux Canada: Alberta at Bow Summit; between the Mistaya and Bow R... W. A. Weber 2469 1941-7-13
GH: 01709423 Aquilegia flavescens S. Watson Canada: British Columbia east slope of Goat Mt., in the Elk River Val... W. A. Weber 2285 1941-7-3
GH: 01710806 Clematis columbiana (Nuttall) Torrey & A. Gray Canada: British Columbia along a wagon road near Elk River Valley, Ir... W. A. Weber 2380 1941-7-7
GH: 01658780 Delphinium glaucum S. Watson Canada: Alberta 2 miles north of the Saskatchewan River Trad... W. A. Weber 2480 1941-7-15
GH: 01660215 Delphinium ramosum Rydberg USA: Colorado Cochetopa Park, just south of summit of Coch... W. A. Weber 9418 1955-8-10
GH: 01660941 Halerpestes cymbalaria (Pursh) Green Canada: British Columbia 17 miles north of Kimberley. W. A. Weber 2410 1941-7-10
GH: 01663287 Ranunculus aquatilis diffusus Withering Canada: British Columbia edge of a stream by a farmhouse 29 miles nor... W. A. Weber 2562 1941-7-24
GH: 01663288 Ranunculus aquatilis diffusus Withering Canada: British Columbia Elk River Valley 30 miles north of Natal. W. A. Weber 2388 1941-7-8
GH: 01665714 Ranunculus gelidus Karelin & Kirilov USA: Colorado slopes of Sheridan Mt.; above Hilltop Mine W. A. Weber 13318 1967-8-12
GH: 01665443 Ranunculus inamoenus Greene Canada: British Columbia on east slope of Sheep Mtn., Elk River Valle... W. A. Weber 2338 1941-7-7
GH: 01838500 Ranunculus uncinatus parviflorus (Torrey) L. D. Benson Canada: British Columbia on east slope of Sheep Mtn., Elk River Valle... W. A. Weber 2343 1941-7-7
GH: 01840180 Trollius albiflorus (A. Gray) Rydberg Canada: Alberta Bow Summit; between the Mistaya and Bow Rive... W. A. Weber 2420 1941-7-12
Rhamnaceae GH: 01972178 Frangula purshiana (de Candolle) A. Gray Canada: British Columbia 25-30 miles west of Revelstoke, on the Trans... W. A. Weber 2525 1941-7-20
Roccellaceae FH: 00393473 Cresponea chloroconia (Tuckerman) Egea & Torrente USA: California [data not captured] W. A. Weber 8160 1953-3-25
FH: 00394178 Dendrographa leucophaea (Tuckerman) Darbishire Mexico: [data not captured] W. A. Weber 1963-4
FH: 00394180 Dendrographa leucophaea minor (Darbishire) T. O. H. Sundin & A. G. Tehler USA: California [data not captured] W. A. Weber 1966-4-15
FH: 00197219 Dirina herrei Zahlbruckner Ecuador: Galapagos Province Isla Floreana, Post Office Bay (the type loc... W. A. Weber 1971-6-17
FH: 00197219 Dirina paradoxa approximata (Zahlbruckner) Tehler Ecuador: Galapagos Province Isla Floreana, Post Office Bay (the type loc... W. A. Weber 1971-6-17
FH: 00438720 Hubbsia parishii (Hasse) A. G. Tehler, K. Lohtander, Myllys & T. O. H. Sundin USA: California [data not captured] W. A. Weber 1966-4-15
FH: 00438635 Lecanactis californica Tuckerman USA: California [data not captured] W. A. Weber 1966-4-5
FH: 00438589 Lecanactis sp. USA: California [data not captured] W. A. Weber 1966-4-2
FH: 00197388 Lecanographa lyncea (Smith) Egea & Torrente Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
FH: 00478490 Roccellina franciscana (Zahlbruckner ex Herre) Follmann USA: California [data not captured] W. A. Weber 8210 1953-3-28
FH: 00478682 Schismatomma californicum (Tuckerman) Zahlbruckner USA: California [data not captured] W. A. Weber 1953-3-28
Rosaceae GH: 01588611 Chamaerhodos nuttallii Pickering Canada: British Columbia bluffs above Dead Man's Creek, 32 miles west... W. A. Weber 2543 1941-7-23
GH: 01588626 Chamaerhodos nuttallii Pickering USA: Colorado Cochetopa Park, just south of summit of Coch... W. A. Weber 9429 1955-8-10
GH: 01587992 Coleogyne ramosissima Torrey USA: Colorado just above Gateway in Dolores River Canyon W. A. Weber 9530 1955-8-22
GH: 01865667 Crataegus sp. Canada: British Columbia East shore, McLeod Lake, 66 miles north of S... W. A. Weber 2586 1941-7-30
GH: 01588114 Dryas drummondii Richardson ex Hooker Canada: British Columbia bars of the Elk River near the fire warden's... W. A. Weber 2310 1941-7-6
GH: 01588800 Dryas octopetala hookeriana (Juzepczuk) Hultén Canada: British Columbia on the floor of the cirque on the east face ... W. A. Weber 2270 1941-7-3
GH: 01609682 Geum macrophyllum Willdenow Canada: British Columbia In clearings along a trail along the base of... W. A. Weber 2345 1941-7-7
GH: 01590111 Luetkea pectinata (Pursh) Kuntze Canada: British Columbia summit of Mt. Revelstoke, Mt. Revelstoke Nat... W. A. Weber 2514 1941-7-20
GH: 01590703 Physocarpus opulifolius (Linnaeus) Maximowicz USA: Colorado Mesa Trail, between Boulder and Eldorado Spr... W. A. Weber 11554 1963-7-28
GH: 01567625 Potentilla glaucophylla Lehmann Canada: Alberta at Bow Summit; Between the Mistaya & Bow Riv... W. A. Weber 2460 1941-7-13
GH: 01567815 Potentilla glaucophylla perdissecta (Rydberg) Soják Canada: British Columbia on east slope of Goat Creek Mountain, in the... W. A. Weber 2272 1941-7-3
GH: 01568433 Potentilla hookeriana Lehmann USA: Colorado Independence Pass; on ridge southwest of the... W. A. Weber 11536 1962-7-14
GH: 01569567 Potentilla ovina Macoun USA: Colorado on N side of summit, Mt. Zenobia W. A. Weber 13020 1967-6-9
GH: 01570590 Potentilla subvahliana Jurtzev Canada: Alberta Summit of the mountain south of Peyto Lake, ... W. A. Weber 2442 1941-7-12
GH: 01556668 Purshia tridentata (Pursh) de Candolle Canada: British Columbia 6 miles northeast of Cranbrook. W. A. Weber 2243 1941-7-2
GH: 01559608 Rosa nutkana C. Presl Canada: British Columbia at Big Bend of the Columbia River, 100 miles... W. A. Weber 2530 1941-7-20
GH: 01602087 Rosa sp. Canada: British Columbia valley of Dead Man's Creek, 32 miles west of... W. A. Weber 2540 1941-7-23
GH: 01605473 Rubus idaeus strigosus (Michaux) Focke Canada: British Columbia in the Elk River Valley, 30 miles north fo N... W. A. Weber 2392 1941-7-8
GH: 01704720 Sibbaldia procumbens Linnaeus Canada: Alberta at Bow Summit; 66 miles north of Banff. W. A. Weber 2417 1941-7-12
Rubiaceae GH: 02358595 Galium bifolium S. Watson USA: Colorado East River Valley, vicinity of Gothic W. A. Weber 9098 1955-7-17
GH: 02139988 Galium trifidum subbiflorum (Wiegand) Puff (Wiegand) Puff Canada: British Columbia [data not captured] W. A. Weber 2386 1941-7-8
Rutaceae GH: 01545902 Ptelea trifoliata Linnaeus USA: Colorado at mouth of canyon, 1 mi. e. of Chandler W. A. Weber 4676 1949-5-21
Saxifragaceae GH: 01733677 Chrysosplenium tetrandrum Th. Fries Canada: British Columbia edge of a small creek in the Elk River Valle... W. A. Weber 2385 1941-7-8
GH: 01711124 Leptarrhena pyrolifolia (D. Don) R. Brown ex Seringe Canada: British Columbia near summit of Mt. Revelstoke, Mt. Revelstok... W. A. Weber 2511 1941-7-20
GH: 01711402 Micranthes ferruginea (Graham) Brouillet & Gornall Canada: British Columbia near summit of Mount Revelstoke. W. A. Weber 2513 1941-7-20
GH: 01711767 Micranthes lyallii (Engler) Small Canada: Alberta summit of the mountain just south of Peyto L... W. A. Weber 2449 1941-7-12
GH: 01616258 Mitella nuda Linnaeus Canada: British Columbia on a trail north along the base of Sheep Mt.... W. A. Weber 2330 1941-7-7
GH: 01616259 Mitella nuda Linnaeus Canada: British Columbia on the bank of Goat Creek, a tributary of th... W. A. Weber 2297 1941-7-4
GH: 01633635 Ribes bracteosum Douglas Canada: British Columbia in the Elk River Valley 37 miles north of Na... W. A. Weber 2389 1941-7-8
GH: 01651023 Ribes coloradense Coville USA: Colorado south side Monte Cristo Creek just n. of Hoo... W. A. Weber 6516 1951-7-7
GH: 01886290 Ribes inerme Rydberg Canada: British Columbia In clearings on a trail north along the base... W. A. Weber 2371 1941-7-7
GH: 00043021 Ribes inerme incisum W. A. Weber USA: Colorado Summit of Sugarloaf Hill, along uppermost sw... W. A. Weber 12916a 1965-7-18
GH: 01886521 Ribes lacustre Poiret Canada: British Columbia slope of the cirque on Goat Creek Mt., 27 mi... W. A. Weber 2289 1941-7-3
GH: 01616754 Saxifraga aizoides Linnaeus Canada: Alberta north slope of the mountain just south of Pe... W. A. Weber 2432 1941-7-12
GH: 01619190 Saxifraga bronchialis austromontana (Wiegand) M. Peck Canada: British Columbia slopes of canyon between Elko and Fernie. W. A. Weber 2259 1941-7-2
GH: 01619191 Saxifraga bronchialis austromontana (Wiegand) M. Peck Canada: British Columbia on the east slope of Goat Creek Mt. in the E... W. A. Weber 2275 1941-7-3
GH: 01621597 Saxifraga oppositifolia Linnaeus Canada: Alberta Summit of the mountain, directly south of Pe... W. A. Weber 2451 1941-7-12
GH: 01631775 Tiarella trifoliata Linnaeus Canada: British Columbia along a trail north along the base of Sheep ... W. A. Weber 2366 1941-7-7
Scapaniaceae FH: 00510827 Scapania irrigua Dumortier USA: Colorado [data not captured] W. A. Weber 7765 1952-7-1
Scrophulariaceae GH: 01842363 Erythranthe moschata (Douglas ex Lindley) G. L. Nesom Canada: British Columbia northwest of Teapot Mtn., 4 miles north of S... W. A. Weber 2591 1941-8-1
GH: 01842488 Erythranthe nasuta (Greene) G. L. Nesom Canada: British Columbia Elk River Valley, 5 miles north of Natal. W. A. Weber 2384 1941-7-8
Selaginellaceae GH: 02075927 Selaginella selaginoides (Linnaeus) P. Beauvois ex Schrank & Martius Canada: British Columbia west of the fire warden's cabin in the Elk R... W. A. Weber 2363 1941-7-7
Sphagnaceae FH: 00925811 Sphagnum teres (Schimper) Angstrom ex Hartman USA: Colorado [data not captured] W. A. Weber B-91845 1986-9-14
FH: 00925918 Sphagnum warnstorfianum Du Rietz USA: Colorado [data not captured] W. A. Weber B-91849 1986-9-14
Stereocaulaceae FH: 00479369 Stereocaulon alpinum Laurer Canada: Alberta [data not captured] W. A. Weber 1959-7-21
FH: 00479587 Stereocaulon glareosum (Savicz) H. Magnusson USA: Colorado [data not captured] W. A. Weber 1955
FH: 00480013 Stereocaulon rivulorum H. Magnusson USA: Colorado [data not captured] W. A. Weber 1976-8-19
FH: 00480395 Stereocaulon tomentosum Th. Fries Canada: Alberta Banff: [data not captured] W. A. Weber 1959-7-30
Thelenellaceae FH: 00413547 Chromatochlamys muscorum (Th. Fries) H. Mayrhofer & J. Poelt USA: Colorado [data not captured] W. A. Weber 1959
Thelephoraceae FH: 00197200 Dictyonema glabratum (Sprengel) D. Hawksworth Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable I.): trail fr... W. A. Weber 1964-1-25
Theliaceae FH: 00846552 Myurella julacea (Schwägrichen) Schimper USA: Colorado [data not captured] W. A. Weber 1955-8-1
Thelotremataceae FH: 00197177 Leptotrema wightii (Taylor) Müller Argoviensis Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable I.): vicinity... W. A. Weber 1964-1-21
FH: 00197177 Leucodecton occultum (Eschweiler) Frisch Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable I.): vicinity... W. A. Weber 1964-1-21
Thrombiaceae FH: 00491414 Thrombium epigaeum (Persoon) Wallroth USA: Colorado [data not captured] W. A. Weber 1955-7-20
Thuidiaceae FH: 00537572 Anomodon rostratus (Hedwig) Schimper USA: Iowa [data not captured] W. A. Weber 1955-9-10
FH: 00836798 Helodium blandowii (F. Weber & D. Mohr) Warnstorf USA: Colorado [data not captured] W. A. Weber 1956-6-27
Timmiaceae FH: 01134554 Timmia austriaca Hedwig USA: Colorado [data not captured] W. A. Weber 8793 1954-7-28
Trapeliaceae FH: 00473533 Placopsis gelida (Linnaeus) Lindsay Canada: Nunavut [data not captured] W. A. Weber 1959-8-11
Trypetheliaceae FH: 00286194 Trypethelium tropicum (Acharius) Müller Argoviensis Ecuador: Galapagos Province Santa Cruz (Indefatigable) Island; vicinity ... W. A. Weber 1964-1-21
Umbilicariaceae FH: 00455855 Omphalodiscus virginis (Schrader) Scholander USA: Colorado [data not captured] W. A. Weber 1963-7-9
Usneaceae FH: 00286193 Ramalina complanata (Swartz) Acharius Ecuador: Galapagos Province Santa Fe (Barrington) Island W. A. Weber L-40419 1964-1-21
FH: 00197393 Ramalina complanata (Swartz) Acharius Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Jens... W. A. Weber 1964-1-28
FH: 00197399 Ramalina complanata (Swartz) Acharius Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-22
FH: 00197389 Ramalina farinacea (Linnaeus) Acharius Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Islo... W. A. Weber 1964-2-13
FH: 00476798 Ramalina farinacea (Linnaeus) Acharius USA: California [data not captured] W. A. Weber 1966-3-27
FH: 00476984 Ramalina intermedia (Delise ex Nylander) Nylander USA: Colorado [data not captured] W. A. Weber 1955-4-18
FH: 00197399 Ramalina linearis (Swartz) Acharius Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-22
FH: 00197253 Ramalina peruviana Acharius Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
FH: 00197389 Ramalina polyforma Aptroot Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Islo... W. A. Weber 1964-2-13
FH: 00286193 Ramalina sideriza Zahlbruckner Ecuador: Galapagos Province Santa Fe (Barrington) Island W. A. Weber L-40419 1964-1-21
FH: 00197393 Ramalina sideriza Zahlbruckner Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Jens... W. A. Weber 1964-1-28
FH: 00197261 Ramalina sorediantha Nylander Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), Bell... W. A. Weber 1964-1-23
FH: 00197262 Ramalina sorediantha Nylander Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-22
FH: 00197263 Ramalina usnea (Linnaeus) R. Howe Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), betw... W. A. Weber 1964-1-23
FH: 00197270 Ramalina usnea (Linnaeus) R. Howe Ecuador: Galapagos Province Isla Santa Cruz (Indefatigable Island), vici... W. A. Weber 1964-1-21
Verrucariaceae FH: 00455403 Normandina pulchella (Borrer) Nylander USA: Colorado [data not captured] W. A. Weber 1975-10-4
FH: 00473475 Placidium lachneum (Acharius) B. de Lesdain USA: Colorado [data not captured] W. A. Weber 1955