Araceae GH: 01627391 Lysichiton americanum Hultén & H. St. John USA: Washington Marshall Jc. C. V. Piper 1896-7-2
Asteraceae GH: 00988809 Artemisia ludoviciana Nuttall USA: Washington Almota; banks of Snake River C. V. Piper 1896-8-9
GH: 01234667 Artemisia tilesii Ledebour USA: Oregon Wallowa Mts C. V. Piper 1896-8
GH: 00055859 Chrysopsis hirsuta Greene USA: Washington Along Hangman Creek, Spokane C. V. Piper 2385 1896-9-3
GH: 02142349 Crepis acuminata Nuttall USA: Oregon [data not captured] C. V. Piper 2509 1896-8
GH: 02142432 Crepis atribarba A. Heller USA: Washington [data not captured] C. V. Piper 2437 1896-7-15
GH: 02142424 Crepis atribarba A. Heller USA: Kansas [data not captured] C. V. Piper 1896-7-15
GH: 02142412 Crepis atribarba A. Heller USA: Oregon [data not captured] C. V. Piper 2508 1896-8
GH: 02142426 Crepis atribarba originalis (Babcock & Stebbins) Babcock & Stebbins USA: Washington [data not captured] C. V. Piper 1896-7-15
GH: 02142422 Crepis atribarba originalis (Babcock & Stebbins) Babcock & Stebbins USA: Washington [data not captured] C. V. Piper 1896-7-15
GH: 02142501 Crepis barbigera Leiberg USA: Washington Spokane: [data not captured] C. V. Piper 2264 1896-7-2
GH: 02142497 Crepis barbigera Leiberg USA: Washington Spokane: [data not captured] C. V. Piper 2265 1896-7-2
GH: 02142425 Crepis occidentalis conjuncta Babcock & Stebbins USA: Washington [data not captured] C. V. Piper 1896-7-15
GH: 02142423 Crepis occidentalis conjuncta Babcock & Stebbins USA: Washington [data not captured] C. V. Piper 1896-7-15
GH: 02207877 Erigeron bloomeri A. Gray USA: Washington [data not captured] C. V. Piper 2392 1896-7
GH: 02206428 Erigeron compositus Pursh USA: Washington [data not captured] C. V. Piper 2289 1896-5-16
GH: 02206602 Erigeron concinnus Torrey USA: Washington [data not captured] C. V. Piper 1896-7-2
GH: 02206599 Erigeron concinnus Torrey USA: Washington [data not captured] C. V. Piper 2275 1896-7-2
GH: 02206641 Erigeron corymbosus Nuttall USA: Oregon [data not captured] C. V. Piper 2498 1896-8
GH: 02206963 Erigeron divergens Torrey & A. Gray USA: Washington [data not captured] C. V. Piper 2257 1896-7-2
GH: 02348316 Erigeron filifolius Nuttall USA: Washington [data not captured] C. V. Piper 1896-7-2
GH: 02348315 Erigeron filifolius Nuttall USA: Washington [data not captured] C. V. Piper 1896-7-2
GH: 02353584 Erigeron inornatus (A. Gray) A. Gray USA: Oregon [data not captured] C. V. Piper 2479 1896-8-22
GH: 02352338 Erigeron peregrinus (Banks ex Pursh) Greene USA: Washington [data not captured] C. V. Piper 1896-7
GH: 02352336 Erigeron peregrinus (Banks ex Pursh) Greene USA: Washington [data not captured] C. V. Piper 1896-7-15
GH: 00055859 Heterotheca villosa minor (Hooker) Semple USA: Washington Along Hangman Creek, Spokane C. V. Piper 2385 1896-9-3
GH: 01831795 Hieracium gracile detonsum (A. Gray) A. Gray USA: Washington [data not captured] C. V. Piper 1896-7-15
GH: 00009995 Madia ramosa Piper USA: Washington Blue Mts., Columbia. C. V. Piper 2451 1896-8-2
GH: 00011916 Senecio condensatus Greene USA: Washington Blue Mountains C. V. Piper 2434 1896-7-15
Betulaceae A: 02193969 Betula utahensis Britton USA: Washington [data not captured] C. V. Piper 1896-7-17
Brassicaceae GH: 00932289 Boechera divaricarpa (A. Nelson) A. Löve & D. Löve USA: Oregon [data not captured] C. V. Piper 2507 1896-8
GH: 00948049 Boechera retrofracta (Graham) A. Löve & D. Löve USA: Oregon [data not captured] C. V. Piper 2504 1896-8
GH: 00112918 Cardamine breweri S. Watson USA: Washington Spokane: In swamps C. V. Piper 2263 1896-7-2
GH: 00112918 Cardamine callosicrenata Piper USA: Washington Spokane: In swamps C. V. Piper 2263 1896-7-2
GH: 00983170 Cardamine cordifolia A. Gray USA: Washington [data not captured] C. V. Piper 2455 1896-8-2
GH: 00019003 Draba caeruleomontana piperi Payson & H. St. John USA: Washington Blue Mountains C. V. Piper 2404 1896-7
GH: 00019003 Draba densifolia Nuttall ex Torrey & A. Gray USA: Washington Blue Mountains C. V. Piper 2404 1896-7
Crassulaceae GH: 01990265 Sedum stenopetalum stenopetalum R. T. Clausen USA: Washington [no additional data] C. V. Piper 1896-7-2
Cupressaceae A: 02106402 Juniperus scopulorum Sargent USA: Washington Spokane: [data not captured] C. V. Piper 1896-9-3
Ericaceae GH: 01537277 Cassiope mertensiana gracilis Piper USA: Oregon Powder River Mts. C. V. Piper 1896-8
Fabaceae GH: 02176949 Lupinus leucophyllus belliae C. P. Smith USA: Washington Spokane: [data not captured] C. V. Piper 2270 1896-7-2
GH: 02177305 Lupinus minimus Douglas USA: Washington Spokane: [data not captured] C. V. Piper 2287 1896-5-16
GH: 02177299 Lupinus minimus Douglas USA: Washington [data not captured] C. V. Piper 2330 1896-7-15
GH: 02128596 Lupinus sericeus Pursh USA: Washington Spokane: [data not captured] C. V. Piper 2271 1896-7-2
GH: 02128294 Lupinus sericeus sabinii (Douglas ex Hooker) L. Ll. Phillips USA: Washington [data not captured] C. V. Piper 2331 1896-7-16
GH: 02128293 Lupinus sericeus sabinii (Douglas ex Hooker) L. Ll. Phillips USA: Washington [data not captured] C. V. Piper 2331 1896-7-15
GH: 02128292 Lupinus sericeus sabinii (Douglas ex Hooker) L. Ll. Phillips USA: Washington [data not captured] C. V. Piper 2331 1896-7-15
GH: 02129343 Lupinus sp. USA: Washington [data not captured] C. V. Piper 2332 1896-7-15
GH: 02128889 Lupinus sulphureus Douglas USA: Washington [data not captured] C. V. Piper 2332 1896-7-15
GH: 02128885 Lupinus sulphureus Douglas USA: Washington [data not captured] C. V. Piper 2332 1896-7-15
GH: 02129772 Medicago lupulina Linnaeus USA: Washington [data not captured] C. V. Piper 1896-7-2
GH: 02343683 Trifolium microcephalum Pursh USA: Washington [data not captured] C. V. Piper 1896-7-2
Grimmiaceae FH: 00921009 Scouleria marginata E. Britton USA: Washington [data not captured] C. V. Piper 1896-9-3
Juncaceae GH: 02401997 Juncus longistylis Torrey USA: Washington [data not captured] C. V. Piper 1896-7-2
Orchidaceae AMES: 02051600 Cephalanthera austiniae Bentham & Hooker f. USA: Washington Blue Mts. C. V. Piper 2428 1896-7-15
AMES: 02051602 Cephalanthera austiniae Bentham & Hooker f. USA: Washington Blue Mts. C. V. Piper 2428 1896-7-15
AMES: 02063968 Platanthera elegans Lindley USA: Washington Blue Mts. C. V. Piper 1896-8-2
AMES: 02050436 Platanthera unalascensis (Sprengel) Kurtz USA: Washington Blue Mts. C. V. Piper 1896-7-15
AMES: 02050442 Platanthera unalascensis (Sprengel) Kurtz USA: Washington Blue Mts. C. V. Piper 1896-7-15
Orobanchaceae GH: 00056176 Castilleja oreopola subintegra Fernald USA: Oregon Powder River Mountains, in meadows, 7500 fee... C. V. Piper 2322 1896-8-25
Pinaceae GH: 00395810 Abies grandis (Douglas ex D. Don) Lindley USA: Washington Blue Mts. C. V. Piper 1896-7-31
Plantaginaceae GH: 02118907 Penstemon deustus Douglas USA: Washington [data not captured] C. V. Piper 1896-7-15
GH: 02119671 Penstemon fruticosus serratus (D. D. Keck) Cronquist USA: Washington [data not captured] C. V. Piper 2422 1896-7
GH: 02119670 Penstemon fruticosus serratus (D. D. Keck) Cronquist USA: Washington [data not captured] C. V. Piper 2431 1896-7-31
GH: 02121838 Penstemon procerus Douglas ex Graham USA: Oregon [data not captured] C. V. Piper 2484 1896-8
GH: 01801217 Penstemon venustus Douglas USA: Washington [data not captured] C. V. Piper 2415 1896-7-15
GH: 01804544 Synthyris missurica (Rafinesque) Pennell USA: Washington [data not captured] C. V. Piper 1896-7-15
Poaceae GH: 00023720 Festuca amethystina robusta St.-Yves USA: Washington High ridge of the Blue Mountains C. V. Piper 2410 1896-7-15
GH: 00023720 Festuca idahoensis Elmer USA: Washington High ridge of the Blue Mountains C. V. Piper 2410 1896-7-15
Polemoniaceae GH: 00091802 Phlox piperi E. E. Nelson USA: Washington Spokane, under pine trees C. V. Piper 2286 1896-5-16
Polygonaceae GH: 02346278 Aconogonon phytolaccifolium (Meisner ex Small) Rydberg USA: Oregon [data not captured] C. V. Piper 2365 1896-8
GH: 00036479 Eriogonum flavum piperi (Greene) M. E. Jones USA: Washington Blue Mountains, 5000 feet C. V. Piper 2453 1896-8-2
GH: 00036480 Eriogonum flavum piperi (Greene) M. E. Jones USA: Washington Blue Mountains, 5000 feet C. V. Piper 2453 1896-8-2
GH: 00036479 Eriogonum piperi Greene USA: Washington Blue Mountains, 5000 feet C. V. Piper 2453 1896-8-2
GH: 00036480 Eriogonum piperi Greene USA: Washington Blue Mountains, 5000 feet C. V. Piper 2453 1896-8-2
GH: 02043900 Eriogonum umbellatum ellipticum (Nuttall) Reveal USA: Washington [data not captured] C. V. Piper 2447 1896-8-2
GH: 02043902 Eriogonum umbellatum ellipticum (Nuttall) Reveal USA: Washington [data not captured] C. V. Piper 2447 1896-8-2
GH: 02043903 Eriogonum umbellatum ellipticum (Nuttall) Reveal USA: Washington [data not captured] C. V. Piper 2447 1896-8-2
GH: 02007315 Polygonum polygaloides kelloggii (Greene) J. C. Hickman USA: Oregon [data not captured] C. V. Piper 2366 1896-8
Pucciniaceae FH: 01001543 Puccinia aberrans Peck USA: Washington Spokane: [no additional data] C. V. Piper 440 1896-7-2
FH: 01001543 Puccinia holboellii (Hornemann) Rostrup USA: Washington Spokane: [no additional data] C. V. Piper 440 1896-7-2
Ranunculaceae GH: 00038060 Aconitum columbianum pallidum Piper USA: Washington Blue Mountains C. V. Piper 2416 1896-7-17
GH: 00038543 Thalictrum occidentale palouense H. St. John USA: Washington Blue Mountains C. V. Piper 1896-7-17
Rosaceae A: 00016293 Crataegus douglasii badia Sargent USA: Washington Pullman: Union Flat C. V. Piper 2457 1896-9-9
A: 00016292 Crataegus douglasii badia Sargent USA: Washington Spokane: C. V. Piper 2388 1896-9-3
Rubiaceae GH: 02358631 Galium bifolium S. Watson USA: Washington [data not captured] C. V. Piper 1896-7-15
GH: 02358630 Galium bifolium S. Watson USA: Washington [data not captured] C. V. Piper 1896-7-15
Scrophulariaceae GH: 00549208 Erythranthe tilingii (Regel) G. L. Nesom USA: Oregon Powder River Mts. Oregon C. V. Piper 2519 1896-8
GH: 00549208 Mimulus implexus Greene USA: Oregon Powder River Mts. Oregon C. V. Piper 2519 1896-8
GH: 00549208 Mimulus lucens Greene USA: Oregon Powder River Mts. Oregon C. V. Piper 2519 1896-8
Urticaceae GH: 02171416 Urtica dioica gracilis (Aiton) Selander USA: Washington [data not captured] C. V. Piper 1896-7-17