Alismataceae NEBC: 01032300 Alisma triviale Pursh USA: Maine Island Falls: Island Falls A. S. Pease 22671 1931-8-14
NEBC: 01080273 Sagittaria cuneata E. Sheldon USA: Maine Island Falls: Island Falls A. S. Pease 22676 1931-8-14
NEBC: 01032623 Sagittaria latifolia Willdenow USA: New Hampshire West Milan A. S. Pease 22771 1931-9-4
Aquifoliaceae NEBC: 00629992 Ilex mucronata (Linnaeus) M. Powell, Savolainen & S. Andrews USA: Massachusetts Florida: Florida A. S. Pease 68409 1931-6-23
Aspleniaceae GH: 02070669 Asplenium viride Hudson Canada: British Columbia Takakkaw Falls, Yoho Valley A. S. Pease 122410 1931-7-2
Asteraceae GH: 02140946 Agoseris aurantiaca aurantiaca USA: Montana [data not captured] A. S. Pease 1931-7-15
GH: 02141272 Agoseris glauca dasycephala (Torr. & A. Gray) Jepson Canada: Alberta [data not captured] A. S. Pease 22,564 1931-7-9
NEBC: 01037018 Antennaria plantaginifolia (Linnaeus) Hooker USA: New Hampshire Danville: Danville A. S. Pease 28678 1931-6-4
GH: 02142046 Askellia pygmaea (Ledebour) Sennikov USA: Montana [data not captured] A. S. Pease 1931-7-16
GH: 02142393 Crepis atribarba A. Heller USA: Montana [data not captured] A. S. Pease 22,211 1931-7-21
GH: 02206170 Erigeron compositus Pursh Canada: British Columbia [data not captured] A. S. Pease 22409 1931-7-2
GH: 02348673 Erigeron glabellus Nuttall Canada: Alberta [data not captured] A. S. Pease 22565 1931-7-9
GH: 02352096 Erigeron nivalis Nuttall Canada: Alberta [data not captured] A. S. Pease 1931-7-2
NEBC: 00535775 Heliopsis helianthoides scabra (Dunal) Fernald USA: Maine Medway: Medway A. S. Pease 22,615 1931-8-11
GH: 01831723 Hieracium gracile Hooker USA: Montana [data not captured] A. S. Pease 22,343 1931-7-16
NEBC: 00734551 Sclerolepis uniflora (Walter) Britton, Sterns & Poggenburg USA: New Hampshire Bradford: Bradford A. S. Pease 22810 1931-9-7
GH: 00734554 Sclerolepis uniflora (Walter) Britton, Sterns & Poggenburg USA: New Hampshire Bradford: Bradford A. S. Pease 22810 1931-9-7
NEBC: 01063837 Solidago uliginosa Nuttall USA: New Hampshire Bethlehem: Bethlehem A. S. Pease 22749 1931-8-20
Betulaceae GH: 02196427 Alnus viridis sinuata (Regel) Á. Löve & D. Löve USA: Montana Sun Camp, Glacier Park A. S. Pease 22,188 1931-7-22
GH: 02194358 Betula occidentalis Hooker USA: Montana Scarce, Sun Camp, Glacier Park A. S. Pease 1931-7-21
Boraginaceae GH: 02025913 Cryptantha sp. USA: Montana Lake Josephine, Glacier Park A. S. Pease 22,551 1931-7-13
Brassicaceae GH: 00992280 Alyssum alyssoides Linnaeus USA: Montana [data not captured] A. S. Pease 22323 1931-7-16
GH: 00992741 Arabidopsis lyrata kamchatica (Fischer ex de Candolle) O'Kane & Al-Shehbaz Canada: Alberta Johnston Canyon near Banff A. S. Pease 22442 1931-7-1
GH: 00974341 Arabis hirsuta glabrata Torrey & A. Gray Canada: British Columbia Emerald L. A. S. Pease 1931-7-4
GH: 00974715 Barbarea orthoceras Ledebour USA: Montana Lake Josephine, Glacier Park A. S. Pease 22,305 1931-7-13
GH: 00932240 Boechera divaricarpa (A. Nelson) A. Löve & D. Löve USA: Montana Many Glaciers, Glacier Park A. S. Pease 1931-7-15
GH: 00932253 Boechera divaricarpa (A. Nelson) A. Löve & D. Löve USA: Montana Many Glaciers, Glacier Park A. S. Pease 22,328 1931-7-15
GH: 00932513 Boechera holboelii collinsii (Fernald) Dorn Canada: Alberta Johnston Canyon near Banff A. S. Pease 22441 1931-7-1
GH: 00946621 Boechera nuttallii (Kuntze) Dorn USA: Montana Iceberg L., Glacier Park A. S. Pease 22,309 1931-7-14
GH: 00946630 Boechera nuttallii (Kuntze) Dorn USA: Montana Piegan Pass, Glacier Park A. S. Pease 22,167 1931-7-20
GH: 00960683 Boechera retrofracta (Graham) A. Löve & D. Löve Canada: Alberta Johnston Canyon near Banff A. S. Pease 22441 1931-7-1
GH: 00960923 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Montana Valley of Swift Current Creek, Glacier Park A. S. Pease 22,237 1931-7-18
GH: 00944945 Braya humilis (C. A. Meyer) B. L. Robinson Canada: British Columbia Yoho Valley A. S. Pease 22507 1931-7-3
GH: 00944950 Braya humilis (C. A. Meyer) B. L. Robinson Canada: British Columbia Emerald L. A. S. Pease 22400 1931-7-4
GH: 01098543 Cardamine bellidifolia Linnaeus Canada: Alberta Lake Louise A. S. Pease 22364 1931-7-1
GH: 00986421 Descurainia incisa (Engelmann) Britton Canada: Alberta Lake Louise A. S. Pease 22510 1931-7-2
GH: 01084788 Draba albertina Greene Canada: Alberta [data not captured] A. S. Pease 22453 1931-7-2
GH: 01103606 Draba borealis de Candolle USA: Montana [data not captured] A. S. Pease 22231 1931-7-17
GH: 01115614 Draba lonchocarpa Rydberg Canada: British Columbia [data not captured] A. S. Pease 22500 1931-7-4
GH: 01115661 Draba lonchocarpa Rydberg USA: Montana [data not captured] A. S. Pease 22284 1931-7-14
GH: 00971568 Draba paysonii J. F. Macbride USA: Montana [data not captured] A. S. Pease 22162 1931-7-20
GH: 00971690 Draba praealta Greene Canada: Alberta Johnston Canyon near Banff A. S. Pease 22478 1931-7-1
GH: 00971701 Draba praealta Greene Canada: British Columbia Emerald L. A. S. Pease 22382 1931-7-4
GH: 00971705 Draba praealta Greene Canada: British Columbia Emerald Lake A. S. Pease 22383 1931-7-4
GH: 01561209 Draba stenoloba Ledebour Canada: Alberta Lake Louise A. S. Pease 11364 1931-7-1
Caprifoliaceae GH: 02036808 Symphoricarpos rivularis Suksdorf Canada: British Columbia Emerald L. A. S. Pease 22381 1931-7-4
Caryophyllaceae GH: 01740967 Arenaria aculeata S. Watson Canada: Alberta Banff: [no additional data] A. S. Pease 22466 1931-7-1
GH: 01741103 Arenaria capillaris americana Maguire USA: Montana [illegible], Iceberg L., Glacier Park A. S. Pease 1931-7-14
GH: 01742124 Arenaria sp. Canada: British Columbia Turf, Yoho Lake A. S. Pease 22501 1931-7-4
GH: 01745129 Minuartia austromontana S. J. Wolf & Packer Canada: Alberta Waterton Lakes A. S. Pease 22570 1931-7-11
GH: 01623066 Stellaria longipes Goldie Canada: British Columbia Mt. Wapta A. S. Pease 22498 1931-7-4
Chenopodiaceae GH: 01781402 Blitum capitatum Linnaeus USA: Montana [data not captured] A. S. Pease 22192 1931-7-21
GH: 01781516 Blitum nuttallianum Schultes USA: Montana [data not captured] A. S. Pease 22278 1931-7-14
NEBC: 00670813 Chenopodium simplex (Torrey) Rafinesque USA: New Hampshire Randolph: Randolph A. S. Pease 22748 1931-8-15
Cupressaceae GH: 02105115 Juniperus horizontalis Moench Canada: British Columbia [data not captured] A. S. Pease 22351 1931-7-4
Cyperaceae GH: 02315009 Carex brevipes W. Boott ex B. D. Jackson USA: Montana [data not captured] A. S. Pease 22200 1931-7-20
GH: 02315009 Carex deflexa boottii L. H. Bailey USA: Montana [data not captured] A. S. Pease 22200 1931-7-20
NEBC: 00229630 Carex deweyana deweyana USA: Massachusetts Leyden: A. S. Pease 1931-6-13
GH: 02368082 Carex gynocrates Wormskjold ex Drejer Canada: Alberta Banff: [data not captured] A. S. Pease 22,460 1931-7-1
GH: 02370372 Carex hoodii Boott USA: Montana Lake Josephine, Glacier National Park A. S. Pease 22582 1931-7-13
GH: 02367731 Carex nardina Fries Canada: British Columbia [data not captured] A. S. Pease 22,596 1931-7-6
GH: 02367750 Carex nardina Fries USA: Montana [data not captured] A. S. Pease 22,201 1931-7-20
GH: 02368248 Carex nigricans C. A. Meyer Canada: British Columbia [data not captured] A. S. Pease 22,463 1931-7-2
NEBC: 01161328 Carex pauciflora Balbis ex Boott USA: New Hampshire Bethlehem: Bethlehem A. S. Pease 22696 1931-8-20
GH: 01775732 Carex saxatilis Linnaeus Canada: Alberta [data not captured] A. S. Pease 22469 1931-7-1
GH: 01774160 Carex utriculata Boott Canada: Alberta [data not captured] A. S. Pease 22461 1931-7-1
NEBC: 01161078 Scirpus subterminalis Torrey USA: New Hampshire Milan: Milan A. S. Pease 22790 1931-9-4
Ericaceae GH: 01536919 Arctous rubra (Rehder & Wilson) Nakai Canada: British Columbia Yoho Valley A. S. Pease 22387 1931-7-3
GH: 01537541 Cassiope tetragona saximontana (Small) A. E. Porsild Canada: Alberta Lake Louise A. S. Pease 22448 1931-7-1
GH: 01683137 Phyllodoce empetriformis (Smith) D. Don Canada: British Columbia [data not captured] A. S. Pease 22513 1931-7-3
GH: 01762090 Rhododendron albiflorum Hooker Canada: British Columbia [data not captured] A. S. Pease 1931-7-6
Fabaceae GH: 02064878 Astragalus bourgovii A. Gray USA: Montana Preston Park, Glacier Park A. S. Pease 22,247 1931-7-20
GH: 02052637 Astragalus leptaleus A. Gray USA: Montana Many Glaciers, Glacier Park A. S. Pease 22,288 1931-7-15
GH: 02052957 Astragalus miser decumbens (Nuttall) Cronquist Canada: Alberta Waterton Lakes A. S. Pease 1931-7-10
NEBC: 00747757 Crotalaria sagittalis Linnaeus USA: Massachusetts Hadley: Hadley A. S. Pease 1931-9-21
GH: 02132002 Oxytropis borealis viscida (Nuttall) Welsh USA: Montana [data not captured] A. S. Pease 22346 1931-7-16
GH: 02132182 Oxytropis campestris gracilis (A. Nelson) Barneby Canada: Alberta [data not captured] A. S. Pease 22545 1931-7-9
GH: 02132675 Oxytropis deflexa sericea Torrey & A. Gray Canada: Alberta [data not captured] A. S. Pease 22532 1931-7-9
GH: 02131569 Oxytropis splendens Douglas Canada: Alberta [data not captured] A. S. Pease 22544 1931-7-9
Hydrangeaceae GH: 01737637 Philadelphus lewisii Pursh Canada: Alberta Waterton Lakes A. S. Pease 22561 1931-7-10
Icmadophilaceae NEBC: 00436773 Icmadophila ericetorum (Linnaeus) Zahlbruckner USA: New Hampshire Randolph: [data not captured] A. S. Pease 1931-9-10
Iridaceae GH: 01749760 Sisyrinchium montanum Greene Canada: British Columbia Emerald L. A. S. Pease 22380 1931-7-4
Isoetaceae NEBC: 00744331 Isoetes echinospora Durieu USA: New Hampshire Milan: Milan A. S. Pease 22797 1931-9-4
NEBC: 00744334 Isoetes echinospora Durieu USA: New Hampshire Berlin: Berlin A. S. Pease 22741 1931-8-24
NEBC: 00744357 Isoetes echinospora Durieu USA: New Hampshire Bethlehem: Bethlehem A. S. Pease 22706 1931-8-20
Juncaceae GH: 02101241 Juncus castaneus Smith Canada: Alberta [data not captured] A. S. Pease 22,452 1931-7-2
GH: 02101460 Juncus confusus Coville USA: Montana [data not captured] A. S. Pease 22,274 1931-7-14
GH: 02102136 Juncus drummondii E. Meyer USA: Montana [data not captured] A. S. Pease 22,588 1931-7-14
GH: 02399331 Juncus parryi Engelmann USA: Montana [data not captured] A. S. Pease 22,239 1931-7-18
GH: 02399325 Juncus parryi Engelmann USA: Montana [data not captured] A. S. Pease 22,275 1931-7-14
GH: 02398230 Juncus saximontanus A. Nelson USA: Montana [data not captured] A. S. Pease 22,591 1931-7-13
NEBC: 00734088 Juncus trifidus Linnaeus USA: New Hampshire Thompson and Meserves A. S. Pease 22599 1931-8-5
GH: 02397871 Juncus triglumis albescens (Lange) Hultén Canada: Alberta [data not captured] A. S. Pease 22,509 1931-7-2
GH: 02396511 Luzula arcuata (Wahlenberg) Swartz Canada: Alberta [data not captured] A. S. Pease 22,446 1931-7-1
GH: 02366511 Luzula parviflora melanocarpa (Michaux) Hämet-Ahti USA: Montana [data not captured] A. S. Pease 22,241 1931-7-19
Lamiaceae NEBC: 00642080 Monarda fistulosa mollis (Linnaeus) Bentham USA: New Hampshire Carroll: Carroll A. S. Pease 22750 1931-8-21
GH: 01597126 Prunella vulgaris lanceolata (W. P. C. Barton) Piper & Beattie Canada: British Columbia Emerald L. A. S. Pease 22487 1931-7-5
Lentibulariaceae NEBC: 00736251 Utricularia purpurea Walter USA: Maine Milan A. S. Pease 22803 1931-9-4
NEBC: 00775294 Utricularia subulata Linnaeus USA: Massachusetts Mashpee: Mashpee A. S. Pease 22859 1931-9-29
Lycopodiaceae GH: 02164935 Diphasiastrum alpinum (Linnaeus) Holub Canada: British Columbia near Yoho L. A. S. Pease 22372 1931-7-4
Najadaceae NEBC: 01024972 Najas flexilis (Willdenow) Rostkoius & W. L. E. Schmidt USA: Maine Mattawamkeag: Mattawamkeag A. S. Pease 22717 1931-8-12
Onagraceae GH: 01674551 Circaea alpina pacifica (Ascherson & Magnus) P. H. Raven USA: Montana path to Iceberg L., Glacier Park A. S. Pease 22,225 1931-7-14
GH: 01671323 Epilobium clavatum Trelease Canada: British Columbia Yoho Valley A. S. Pease 22395 1931-7-2
GH: 01776330 Epilobium leptocarpum Haussknecht Canada: Alberta Waterton Lakes A. S. Pease 22523 1931-7-11
Ophioglossaceae GH: 02282789 Botrychium lunaria (Linnaeus) Swartz Canada: British Columbia [data not captured] A. S. Pease 22123 1931-7-6
GH: 02282880 Botrychium lunaria (Linnaeus) Swartz USA: Montana [data not captured] A. S. Pease 22308 1931-7-14
Orchidaceae GH: 02029558 Calypso bulbosa occidentalis (Holzinger) Cockerell Canada: British Columbia Yoho Valley A. S. Pease 22137 1931-7-4
GH: 01937824 Cypripedium montanum Douglas ex Lindley Canada: British Columbia path to Hamilton Falls, Emerald L. A. S. Pease 22566 1931-7-7
GH: 01937999 Cypripedium parviflorum Salisbury Canada: British Columbia Emerald Lake A. S. Pease 22138 1931-7-4
NEBC: 01016819 Liparis loeselii (Linnaeus) Richard USA: Vermont Groton: Groton A. S. Pease 29220 1931-8-21
NEBC: 00462577 Platanthera lacera (Michaux) G. Don USA: New Hampshire Martin: Martin A. S. Pease 22,603 1931-8-3
Orobanchaceae GH: 01876561 Castilleja cusickii Greenman USA: Montana Iceberg L., Glacier Park A. S. Pease 22,255 1931-7-14
GH: 01877861 Castilleja miniata Douglas ex Hooker Canada: British Columbia Emerald L. A. S. Pease 22353 1931-7-5
GH: 01877877 Castilleja miniata Douglas ex Hooker Canada: Alberta Banff: [no additional data] A. S. Pease 22433 1931-7-1
GH: 01878441 Castilleja occidentalis Torrey USA: Montana Iceberg L., Glacier Park A. S. Pease 22,259 1931-7-14
GH: 01878938 Castilleja rhexifolia Rydberg USA: Montana Iceberg L., Glacier Park A. S. Pease 22,314 1931-7-14
GH: 01879142 Castilleja septentrionalis Lindley Canada: Alberta Lake Louise A. S. Pease 22421 1931-7-2
Plantaginaceae GH: 02118420 Penstemon confertus Douglas ex Lindley Canada: Alberta [data not captured] A. S. Pease 22444 1931-7-1
Poaceae NEBC: 00835411 Alopecurus aequalis Sobolewsky USA: Maine Island Falls: Island Falls A. S. Pease 22687 1931-8-14
NEBC: 00835696 Calamagrostis pickeringii A. Gray USA: New Hampshire Sargents A. S. Pease 22816 1931-9-14
NEBC: 00835709 Calamagrostis pickeringii A. Gray USA: New Hampshire Bethlehem: Bethlehem A. S. Pease 22702 1931-8-20
NEBC: 00863403 Elymus virginicus Linnaeus USA: New Hampshire Dalton: Dalton A. S. Pease 22600 1931-8-4
NEBC: 00879088 Eragrostis pectinacea (Michaux) Steudel USA: New Hampshire Jefferson: Jefferson A. S. Pease 22759 1931-8-27
NEBC: 00594784 Eragrostis pilosa (Linnaeus) P. Beauvois USA: New Hampshire Lancaster: Lancaster A. S. Pease 22654 1931-8-10
NEBC: 01148768 Poa Linnaeus USA: New Hampshire Second College: Second College A. S. Pease 22974 1931-8-29
NEBC: 01149918 Poa alsodes A. Gray USA: Massachusetts Hawley: Hawley A. S. Pease 66908 1931-5-30
Polygonaceae GH: 02346406 Bistorta bistortoides (Pursh) Small USA: Montana [data not captured] A. S. Pease 22260 1931-7-14
GH: 01986515 Eriogonum ovalifolium Nuttall USA: Montana [data not captured] A. S. Pease 22317 1931-7-13
GH: 02043677 Eriogonum umbellatum majus Bentham USA: Montana [data not captured] A. S. Pease 1931-7-13
GH: 02360540 Polygonum douglasii Greene USA: Montana [data not captured] A. S. Pease 22164 1931-7-21
GH: 02360974 Polygonum minimum S. Watson USA: Montana [data not captured] A. S. Pease 1931-7-13
Potamogetonaceae NEBC: 00700553 Potamogeton pusillus tenuissimus Mertens & Koch USA: New Hampshire Milan: Milan A. S. Pease 22800 1931-9-4
Primulaceae GH: 01942045 Androsace chamaejasme carinata (Torrey) Hultén Canada: Alberta Banff: Marly bog A. S. Pease 22430 1931-7-1
GH: 01942583 Androsace septentrionalis puberulenta (Rydberg) Knuth Canada: Alberta Waterton Lakes A. S. Pease 22535 1931-7-10
Ranunculaceae GH: 01709481 Aquilegia flavescens S. Watson USA: Montana below Grinnell Glacier, Glacier Park A. S. Pease 22,174 1931-7-17
GH: 01709739 Aquilegia jonesii Parry USA: Montana Piegan Pass, Glacier Park A. S. Pease 22,154 1931-7-20
NEBC: 01020775 Ranunculus aquatilis diffusus Withering USA: New Hampshire Milan: Milan A. S. Pease 22801 1931-9-4
GH: 01663509 Ranunculus eschscholtzii Schlechtendal Canada: British Columbia Yoho Valley A. S. Pease 22379 1931-7-3
GH: 01839175 Thalictrum occidentale palouense H. St. John Canada: British Columbia Yoho Pass A. S. Pease 22399 1931-7-4
Rhamnaceae GH: 01790282 Ceanothus velutinus Douglas Canada: Alberta Waterton Lakes A. S. Pease 22585 1931-7-11
Rosaceae GH: 01726260 Amelanchier alnifolia (Nuttall) Nuttall ex M. Roemer Canada: British Columbia Emerald L. A. S. Pease 1931-7-4
GH: 00709831 Crataegus Linnaeus USA: New Hampshire Gorham: Gorham A. S. Pease 22817 1931-9-4
NEBC: 00709866 Crataegus Linnaeus USA: New Hampshire Gorham: Gorham A. S. Pease 22817 1931-9-4
NEBC: 00694557 Crataegus macrosperma Ashe USA: New Hampshire Gorham: Gorham A. S. Pease 22782 1931-9-4
GH: 01567835 Potentilla gracilis Douglas ex Hooker Canada: Alberta Blairmore A. S. Pease 22533 1931-7-9
GH: 01863012 Sorbus scopulina Greene Canada: British Columbia Emerald Lake A. S. Pease 22141 1931-7-4
Saxifragaceae GH: 01712395 Micranthes rhomboidea (Greene) Small Canada: British Columbia Burgess Pass, Emerald L. A. S. Pease 22357 1931-7-6
GH: 01616459 Mitella stauropetala Piper Canada: Alberta Lake Louise A. S. Pease 1931-7-2
GH: 01619146 Saxifraga bronchialis Linnaeus Canada: Alberta Waterton Lakes A. S. Pease 1931-7-11
GH: 01631043 Saxifraga rivularis Linnaeus Canada: Alberta Lake Louise A. S. Pease 22363 1931-7-1
Selaginellaceae GH: 02075307 Selaginella densa scopulorum (Maxon) R. M. Tryon Canada: Alberta Lake Louise A. S. Pease 22419 1931-7-2
GH: 02075352 Selaginella densa standleyi (Maxon) R. M. Tryon Canada: British Columbia Turf, Yoho Lake A. S. Pease 22499 1931-7-4
GH: 02075967 Selaginella selaginoides (Linnaeus) P. Beauvois ex Schrank & Martius Canada: British Columbia Yoho Valley A. S. Pease 22384 1931-7-3
GH: 02075966 Selaginella selaginoides (Linnaeus) P. Beauvois ex Schrank & Martius Canada: British Columbia Emerald L. A. S. Pease 22482 1931-7-5
Violaceae GH: 02144553 Viola adunca Smith Canada: Alberta Slide, Lake Louise A. S. Pease 22416 1931-7-2
GH: 02144885 Viola adunca Smith Canada: British Columbia Yoho Valley A. S. Pease 22403 1931-7-3
GH: 02144885 Viola adunca glabra (Brainerd) G. N. Jones Canada: British Columbia Yoho Valley A. S. Pease 22403 1931-7-3