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FH: 00393624 Cyphelium tigillare (Acharius) Acharius USA: Maryland [data not captured] P. L. Ricker 1003 1903-4-19
Agaricaceae
FH: 00821129 Claudopus nidulans (Persoon) Peck USA: Maine [data not captured] P. L. Ricker s.n. 1898-10-28
Amblystegiaceae
NEBC: 00615284 Calliergonella lindbergii (Mitten) Hedenäs USA: Maine Foxcroft: [data not captured] P. L. Ricker 1567 1905
Apocynaceae
ECON: 02178971 Carissa macrocarpa (Ecklon) A. de Candolle USA: Florida Miami: Sub-Tropical Garden P. L. Ricker 4041 1913-2-7
Berberidaceae
ECON: 02168661 Berberis purdomii C. K. Schneider USA: Georgia Augusta: [Berckman's Mts.] P. L. Ricker 4681 1916-3-20
Brachytheciaceae
NEBC: 00615803 Brachythecium campestre (Müller Halle) Schimper USA: Maine Foxcroft: [no additional data] P. L. Ricker 1905
Bryaceae
NEBC: 00615757 Leptobryum pyriforme (Hedwig) Wilson USA: Maine Foxcroft: [data not captured] P. L. Ricker 1905
FH: 00916667 Pohlia nutans (Hedwig) Lindberg USA: Virginia [data not captured] P. L. Ricker 4004 1944-10-1
Cladoniaceae
FH: 00370866 Cladonia parasitica (Hoffmann) Hoffmann USA: Georgia [data not captured] P. L. Ricker 925 1902
Clavariaceae
NEBC: 00456475 Clavaria inaequalis O. F. Müller: Fries USA: Maine Orono: [no additional data] P. L. Ricker 1898-9
Collemataceae
FH: 00393225 Collema nigrescens caesium (Clements) Acharius USA: Florida [data not captured] P. L. Ricker 941 1902
Dematiaceae
FH: 01012172 Cercospora diervillae Ellis & Everhart USA: Maine Orono: [no additional data] P. L. Ricker 1900-10-20
Dermateaceae
FH: 00374911 Beloniella galii-veri (P. Karsten) Rehm USA: Maryland [data not captured] P. L. Ricker 981 1903
Dothideaceae
NEBC: 00456694 Mycosphaerella coptis (Schweinitz) House USA: Maine Orono: [no additional data] P. L. Ricker 1898-5
Ericaceae
A: 01592679 Gaylussacia brachycera (Michaux) A. Gray USA: Maryland head of Magothy River, 1.25 mi. e. of Pasade... P. L. Ricker 1934-8-6
Erysiphaceae
NEBC: 00456661 Erysiphe communis (Wallroth) Schlechtendal: Fries USA: Maine Orono: [no additional data] P. L. Ricker 1898
NEBC: 00456661 Erysiphe pisi de Candolle USA: Maine Orono: [no additional data] P. L. Ricker 1898
Fabaceae
ECON: 02129491 Medicago arabica (Linnaeus) Hudson USA: California [data not captured] P. L. Ricker 3952 1912-5-17
ECON: 02129490 Medicago arabica (Linnaeus) Hudson USA: California [data not captured] P. L. Ricker 3956 1912-5-18
ECON: 02129517 Medicago ciliaris (Linnaeus) Allioni USA: California [data not captured] P. L. Ricker 3969 1912-5-21
ECON: 02129519 Medicago denticulata Willdenow USA: California [data not captured] P. L. Ricker 3949 1912-5-17
ECON: 01539654 Medicago echinus de Candolle USA: California [data not captured] P. L. Ricker 3967 1912-5-21
ECON: 02129586 Medicago hispida Gaertner USA: California [data not captured] P. L. Ricker 3953 1912-5-18
ECON: 02129585 Medicago hispida Gaertner USA: California [data not captured] P. L. Ricker 3935 1912-5-15
ECON: 02129584 Medicago hispida Gaertner USA: California [data not captured] P. L. Ricker 3965 1912-5-25
ECON: 02129868 Medicago murex Willdenow USA: California [data not captured] P. L. Ricker 3962 1912-5-20
ECON: 02129867 Medicago muricata Bentham USA: California [data not captured] P. L. Ricker 3964 1912-5-21
ECON: 02129873 Medicago orbicularis (Linnaeus) Bartalini USA: California [data not captured] P. L. Ricker 3941 1912-5-16
ECON: 02129901 Medicago radiata Linnaeus USA: California [data not captured] P. L. Ricker 3933 1912-5-14
ECON: 02129948 Medicago sativa Linnaeus USA: California [data not captured] P. L. Ricker 3920 1912-5-9
GH: 02133266 Phaseolus lunatus Linnaeus USA: District of Columbia Washington: [data not captured] P. L. Ricker 1924-12
Fontinalaceae
NEBC: 00615678 Dichelyma pallescens Bruch & Schimper USA: Maine Foxcroft: [data not captured] P. L. Ricker 1565 1905
Georgiaceae
NEBC: 00615776 Tetraphis pellucida Hedwig USA: Maine Foxcroft: [no additional data] P. L. Ricker 1905
Helotiaceae
NEBC: 01144995 Bulgaria inquinans (Persoon) Fries USA: Maine Orono: [no additional data] P. L. Ricker 1898-9-1
FH: 00431741 Cenangium abietis (Persoon) Rehm USA: Maine Orono: [no additional data] P. L. Ricker s. n. 1899-6
FH: 00431845 Cenangium populneum (Persoon) Rehm USA: Maine Orono: [no additional data] P. L. Ricker 388 1898-5-14
NEBC: 01144999 Cenangium populneum (Persoon) Rehm USA: Maine Orono: [no additional data] P. L. Ricker 1898-5-14
FH: 00464671 Ombrophila enterochroma (Peck) Saccardo USA: Maine Orono: [no additional data] P. L. Ricker s.n. 1900-10-20
FH: 00464672 Ombrophila enterochroma (Peck) Saccardo USA: Maine Old Town: [no additional data] P. L. Ricker s.n. 1898
NEBC: 00456384 Ombrophila enterochroma (Peck) Saccardo USA: Maine Pea Cove P. L. Ricker 1898-10-29
FH: 00445807 Tympanis conspersa (Fries) Fries USA: Maine Westbrook: [no additional data] P. L. Ricker 373 1897-12
FH: 00445807 Tympanis spermatiospora (Nylander) Nylander USA: Maine Westbrook: [no additional data] P. L. Ricker 373 1897-12
Helvellaceae
FH: 00433572 Gyromitra esculenta (Persoon) Fries USA: Maine Orono: [no additional data] P. L. Ricker 386 1898-5-14
Hyaloscyphaceae
FH: 00433014 Dasyscyphus fuscescens (Persoon) Gray: Fries USA: [data not captured] P. L. Ricker 985A 1903
FH: 00434755 Lachnellula agassizii (Berkeley & M. A. Curtis) Dennis USA: Maine [data not captured] P. L. Ricker 396 1898-5-15
FH: 00434756 Lachnellula agassizii (Berkeley & M. A. Curtis) Dennis USA: Maine [data not captured] P. L. Ricker s.n. 1898-10-30
Hydnaceae
FH: 00570096 Hydnellum concrescens (Persoon) Banker USA: Virginia [data not captured] P. L. Ricker s.n. 1922-8-3
FH: 00548295 Hydnellum suaveolens (Scopoli) P. Karsten USA: Maine Orono: [no additional data] P. L. Ricker s.n. 1900-12
FH: 00532122 Hydnum auriscalpium Linnaeus: Fries USA: Maine Orono: [no additional data] P. L. Ricker s.n. 1900-10
Hydrangeaceae
ECON: 01750716 Deutzia scabra Thunberg USA: North Carolina Biltmore: Grown at the Biltmore Nursery P. L. Ricker 2675 1909-6-5
ECON: 01750989 Hydrangea arborescens Linnaeus USA: Maryland U. S. D. A. grounds P. L. Ricker 2473 1908-8-25
Hypnaceae
NEBC: 00615776 Callicladium haldaneanum (Greville) H. A. Crum USA: Maine Foxcroft: [no additional data] P. L. Ricker 1905
FH: 00840588 Hypnum cupressiforme Hedwig USA: Virginia [data not captured] P. L. Ricker 4002 1944-10-1
FH: 00840589 Hypnum cupressiforme Hedwig USA: Virginia [data not captured] P. L. Ricker 4002 1944-10-1
NEBC: 00615738 Hypnum pallescens (Hedwig) P. Beauvois USA: Maine Foxcroft: [no additional data] P. L. Ricker 1564 1905
Hypocreaceae
NEBC: 00456701 Nectria cucurbitula (Tode) Fries USA: Maine Pea Cove P. L. Ricker 1898-10
Kallymeniaceae
NEBC: 00909358 Euthora cristata (C. Agardh) J. Agardh USA: Maine [data not captured] P. L. Ricker 1896-7
Lecanoraceae
FH: 00451116 Lecanora cupressi Tuckerman USA: Georgia [data not captured] P. L. Ricker 928A 1902
Leskeaceae
NEBC: 00844030 Leskea polycarpa Hedwig USA: Maine Orono: [no additional data] P. L. Ricker 1896-10-17
Melampsoraceae
FH: 00806609 Cronartium comptoniae Arthur USA: Maine Orono: [no additional data] P. L. Ricker 1900
FH: 00852415 Melampsora vitellinae (de Candolle) Thümen USA: Maine Orono: [no additional data] P. L. Ricker 467 1900-10-20
FH: 01001839 Uredo iridis de Candolle USA: Maine Bradley: [no additional data] P. L. Ricker 634 1899-10-13
Mniaceae
NEBC: 00615663 Mnium spinulosum Bruch & Schimper USA: Maine Foxcroft: [no additional data] P. L. Ricker 1562 1905
Mycosphaerellaceae
NEBC: 00456694 Sphaerella coptis (Schweinitz) Farlow USA: Maine Orono: [no additional data] P. L. Ricker 1898-5
Nidulariaceae
FH: 00416523 Crucibulum vulgare Tulasne & C. Tulasne USA: Maine Orono: [no additional data] P. L. Ricker 1899-4-29
Ochrolechiaceae
FH: 00455502 Ochrolechia africana Vainio USA: Georgia [data not captured] P. L. Ricker 1902
Orthotrichaceae
NEBC: 00615688 Ulota crispa (Hedwig) Bridel USA: Maine Foxcroft: [no additional data] P. L. Ricker 1561 1905
Parmeliaceae
FH: 00468881 Parmelia coralloidea (Meyen & Flotow) Vainio USA: Georgia [data not captured] P. L. Ricker 926 1902
FH: 00372591 Usnea strigosa (Acharius) Eaton USA: Georgia [data not captured] P. L. Ricker 924 1902
Pezizaceae
NEBC: 00456405 Lachnea scutellata (Linnaeus) Gillet: Fries USA: Maine Westbrook: [no additional data] P. L. Ricker 1897-7-2
NEBC: 00456405 Scutellinia scutellata (Linnaeus) Lambotte USA: Maine Westbrook: [no additional data] P. L. Ricker 1897-7-2
Phacidiaceae
NEBC: 00456722 Rhytisma punctatum (Persoon) Fries USA: Maine Katahdin Iron Works P. L. Ricker 1898-11-5
Phyllostictaceae
NEBC: 01144978 Phoma strobiligena Desmazières USA: Maine Orono: [no additional data] P. L. Ricker 1898-12-28
NEBC: 00456402 Phyllosticta epigaea Peck USA: Maine Orono: [no additional data] P. L. Ricker 1898-6
NEBC: 01144983 Septoria dianthi Desmazières USA: Maine Orono: [no additional data] P. L. Ricker 1898-12-30
Plantaginaceae
GH: 01801591 Penstemon wrightii Hooker USA: Texas west side of state route 17, about 14 miles ... P. L. Ricker 3829 1941-5-3
Poaceae
GH: 00817559 Leersia oryzoides (Linnaeus) Swartz USA: Maine Westbrook: Westbrook P. L. Ricker 976 1902-9-17
Polyporaceae
FH: 00590915 Lenzites betulinus (Linnaeus) Fries: Fries USA: Maryland [data not captured] P. L. Ricker 1037 1903-5-3
FH: 00608806 Polyporus arcularius Rostkoius USA: Maryland [data not captured] P. L. Ricker 1010 1903-4-19
Polytrichaceae
FH: 00522396 Atrichum angustatum (Bridel) Bruch & Schimper USA: Virginia [data not captured] P. L. Ricker 4005 1944-10-1
FH: 00918090 Polytrichum commune Hedwig USA: West Virginia [data not captured] P. L. Ricker 3822 1940-6-6
Potamogetonaceae
NEBC: 00712149 Potamogeton pusillus Linnaeus USA: Maine Auburn: Auburn P. L. Ricker 1106 1898
Pucciniaceae
NEBC: 00456846 Nyssopsora clavellosa (Berkeley) Arthur USA: Maine Orono: [no additional data] P. L. Ricker 1897-10
FH: 00991918 Puccinia cirsii Lasch USA: Maine Orono: [no additional data] P. L. Ricker 756 1900-10-12
FH: 01129327 Puccinia fraxinata (Link) Arthur USA: Maine Orono: [no additional data] P. L. Ricker 1900-10-20
FH: 01001190 Puccinia heucherae (Schweinitz) Dietel USA: Maryland along Potomoc R., Seven Locks P. L. Ricker 1016 1903-4-19
NEBC: 00456901 Puccinia hieracii (Röhling) H. Martius USA: Maine Orono: [no additional data] P. L. Ricker 1898-10
FH: 01001839 Puccinia iridis Wallroth USA: Maine Bradley: [no additional data] P. L. Ricker 634 1899-10-13
FH: 00782352 Puccinia malvacearum Bertero ex Montagne Canada: New Brunswick Sussex P. L. Ricker 1898-8-11
FH: 00782620 Puccinia menthae Persoon: Persoon USA: Maine Bradley: [no additional data] P. L. Ricker 630 1899-10-13
FH: 01131813 Puccinia obtegens (Link) Tulasne USA: Maine Orono: [no additional data] P. L. Ricker 660 1900-10-17
FH: 01131863 Puccinia ornata Arthur & Holway USA: Maine Orono: [no additional data] P. L. Ricker 758 1900-10-17
FH: 01129327 Puccinia peridermiospora (Ellis & Tracy) Arthur USA: Maine Orono: [no additional data] P. L. Ricker 1900-10-20
FH: 01001190 Puccinia saxifragae Schlechtendal USA: Maryland along Potomoc R., Seven Locks P. L. Ricker 1016 1903-4-19
FH: 01131813 Puccinia suaveolens (Persoon) Rostrup USA: Maine Orono: [no additional data] P. L. Ricker 660 1900-10-17
NEBC: 00456901 Puccinia taraxaci Plowright USA: Maine Orono: [no additional data] P. L. Ricker 1898-10
NEBC: 00456846 Triphragmium clavellosum Berkeley USA: Maine Orono: [no additional data] P. L. Ricker 1897-10
NEBC: 00456926 Uromyces caryophyllinus (Schrank) Spegazzini USA: Maine Orono: [no additional data] P. L. Ricker 1898-12-30
Ranunculaceae
ECON: 01840157 Trollius europaeus Linnaeus USA: Massachusetts Beverly: Southworth Bros. P. L. Ricker 2339 1908-5-28
Rosaceae
A: 01705775 Prunus americana Marshall USA: Oklahoma Ardmore P. L. Ricker 3383 1910-4-8
A: 01721269 Prunus angustifolia Marshall USA: Texas Houston: [no additional data] P. L. Ricker 2305 1910-3-22
A: 01721301 Prunus angustifolia Marshall USA: Texas Denison: [no additional data] P. L. Ricker 8373 1910-4-5
A: 01721302 Prunus angustifolia Marshall USA: Texas Denison: [data not captured] P. L. Ricker 3371 1910-4-5
A: 01721303 Prunus angustifolia Marshall USA: Texas Denison: [no additional data] P. L. Ricker 3375 1910-4-5
ECON: 01721340 Prunus armeniaca Linnaeus USA: New York Geneva P. L. Ricker 4392 1915-4-28
A: 01722004 Prunus gracilis Engelmann & A. Gray USA: Texas Waco: [no additional data] P. L. Ricker 3368 1910-4-1
A: 01722007 Prunus gracilis Engelmann & A. Gray USA: Texas Denison: [no additional data] P. L. Ricker 3377 1910-4-5
A: 01722584 Prunus mexicana S. Watson USA: Texas Austin: [no additional data] P. L. Ricker 3357 1910-4-1
A: 01722585 Prunus mexicana S. Watson USA: Texas Henrietta: [no additional data] P. L. Ricker 3379 1910-4-7
A: 01722586 Prunus mexicana S. Watson USA: Texas Henrietta: [no additional data] P. L. Ricker 3380 1910-4-4
A: 01722620 Prunus mexicana S. Watson USA: Texas Waco: [no additional data] P. L. Ricker 3369 1910-4-19
A: 01722639 Prunus mexicana S. Watson USA: Texas Dallas: [no additional data] P. L. Ricker 3370 1910-4-4
A: 01722654 Prunus mexicana S. Watson USA: Texas Denison: [no additional data] P. L. Ricker 3372 1910-4-5
A: 01722684 Prunus mexicana S. Watson USA: Texas San Antonio: Breckenridge Park P. L. Ricker 3319 1910-3-26
A: 01722718 Prunus mexicana S. Watson USA: Texas Victoria: [no additional data] P. L. Ricker 3309 1910-3-23
A: 01722719 Prunus mexicana S. Watson USA: Texas Victoria: [no additional data] P. L. Ricker 3309 1910-3-23
A: 01722720 Prunus mexicana S. Watson USA: Texas Victoria: [no additional data] P. L. Ricker 3313 1910-3-24
A: 01722721 Prunus mexicana S. Watson USA: Texas Victoria: [no additional data] P. L. Ricker 3212 1910-3-24
A: 01722722 Prunus mexicana S. Watson USA: Texas Victoria: [no additional data] P. L. Ricker 3311 1910-3-23
A: 01722723 Prunus mexicana S. Watson USA: Texas Victoria: [no additional data] P. L. Ricker 3310 1910-3-23
A: 01722724 Prunus mexicana S. Watson USA: Texas Victoria: [no additional data] P. L. Ricker 3317 1910-3-24
A: 01722725 Prunus mexicana S. Watson USA: Texas Victoria: [no additional data] P. L. Ricker 3307 1910-3-23
A: 01722726 Prunus mexicana S. Watson USA: Texas Victoria: [no additional data] P. L. Ricker 3308 1910-3-23
A: 01722747 Prunus mexicana S. Watson USA: Texas New Braunfels: [no additional data] P. L. Ricker 3323 1910-3-28
A: 01722751 Prunus mexicana S. Watson USA: Texas Houston: [no additional data] P. L. Ricker 3306 1910-3-22
A: 01722784 Prunus minutiflora Engelmann ex A. Gray USA: Texas San Antonio: [no additional data] P. L. Ricker 3322 1910-3-26
A: 01723690 Prunus rivularis Scheele USA: Texas Denison: [no additional data] P. L. Ricker 3374 1910-4-5
A: 01723708 Prunus rivularis Scheele USA: Texas Waco: [no additional data] P. L. Ricker 3358 1910-4-1
A: 01723756 Prunus rivularis Scheele USA: Texas Henrietta: [no additional data] P. L. Ricker 3378 1910-4-7
A: 01723757 Prunus rivularis Scheele USA: Texas Henrietta: [no additional data] P. L. Ricker 3381 1910-4-7
A: 01723824 Prunus rivularis Scheele USA: Texas San Antonio: Breckenridge park P. L. Ricker 3320 1910-3-26
A: 01723825 Prunus rivularis Scheele USA: Texas San Antonio: Breckenridge Park P. L. Ricker 3321 1910-3-26
A: 01724770 Prunus texana D. Dietrich USA: Texas Victoria: [no additional data] P. L. Ricker 3316 1910-3-24
A: 01724771 Prunus texana D. Dietrich USA: Texas Victoria: [no additional data] P. L. Ricker 3314 1910-3-24
A: 01724772 Prunus texana D. Dietrich USA: Texas Victoria: [no additional data] P. L. Ricker 3315 1910-3-24
Sclerotiniaceae
NEBC: 00456384 Chloroscypha enterochroma (Peck) Petrini USA: Maine Pea Cove P. L. Ricker 1898-10-29
FH: 00432262 Chloroscypha seaveri Rehm ex Seaver USA: Maine Orono: [no additional data] P. L. Ricker s. n. 1900-10-20
Septobasidiaceae
FH: 00621231 Septobasidium schweinitzii Burt USA: Georgia [data not captured] P. L. Ricker s.n. 1902-8-7
Sphagnaceae
NEBC: 00615790 Sphagnum capillifolium (Ehrhart) Hedwig USA: Maine Foxcroft: [data not captured] P. L. Ricker 1609 1905
NEBC: 00615789 Sphagnum fallax H. Klinggräff USA: Maine Foxcroft: [data not captured] P. L. Ricker 1608 1905
Thelephoraceae
FH: 00526555 Hymenochaete curtisii (Berkeley) Morgan USA: Virginia [data not captured] P. L. Ricker 1122 1904-10-18
FH: 00526565 Hymenochaete curtisii (Berkeley) Morgan USA: District of Columbia Washington: [data not captured] P. L. Ricker 819 1901-9-2
NEBC: 00456504 Hymenochaete rubiginosa (Dickson) Léveillé: Fries USA: Maine Orono: [no additional data] P. L. Ricker 1898-4-28
FH: 00599606 Merulius sulcatus Peck USA: Maryland [data not captured] P. L. Ricker 1000 1903-4-19
FH: 00528037 Peniophora aurantiaca (Bresàdola) F. X. R. von Hohnel & V. Litschauer USA: Maine Westbrook: [no additional data] P. L. Ricker 977 1902-9-17
NEBC: 00456517 Peniophora cinerea (Persoon) Cooke USA: Maine Westbrook: [no additional data] P. L. Ricker 1899-4
FH: 00528211 Peniophora fumigata (Thümen) F. X. R. von Hohnel & V. Litschauer USA: Georgia [data not captured] P. L. Ricker 970 1902-8-18
FH: 00528364 Peniophora incarnata (Persoon) P. Karsten USA: Maine Orono: [no additional data] P. L. Ricker 621 1899-9
FH: 00603410 Schizophyllum alneum (Linnaeus) J. Schröter USA: Maine Orono: [no additional data] P. L. Ricker s.n. 1897-3-8
FH: 00528678 Stereum albobadium (Schweinitz) Fries: Fries USA: Maryland [data not captured] P. L. Ricker 1007 1903-4-19
FH: 00528818 Stereum fasciatum (Schweinitz) Fries: Fries USA: District of Columbia Washington: [data not captured] P. L. Ricker 820 1901-9-2
FH: 00528896 Stereum fasciatum (Schweinitz) Fries: Fries USA: Virginia [data not captured] P. L. Ricker 1121 in part 1904-10-18
FH: 00528922 Stereum fuscum (Schrader) P. Karsten USA: Florida Lake City: [no additional data] P. L. Ricker 898 1902-7-30
FH: 00530046 Stereum lobatum (Kunze ex Fries) Fries: Fries USA: Florida Lake City: [no additional data] P. L. Ricker 893 1902-7-30
FH: 00530073 Stereum ochraceoflavum (Schweinitz) Saccardo USA: Maryland [data not captured] P. L. Ricker 1005 1903-4-19
FH: 00530081 Stereum ochraceoflavum (Schweinitz) Saccardo USA: Georgia [data not captured] P. L. Ricker 918
FH: 00530199 Stereum rameale (Schweinitz) Burt: Fries USA: Virginia [data not captured] P. L. Ricker 1121 in part 1904-10-18
FH: 00530206 Stereum rameale (Schweinitz) Burt: Fries USA: District of Columbia Washington: [no additional data] P. L. Ricker 818 1901-9-2
FH: 00530260 Stereum rameale (Schweinitz) Burt: Fries USA: Maine [data not captured] P. L. Ricker s.n. 1899-10
NEBC: 00456548 Stereum striatum (Fries) Fries USA: Maine Westbrook: [no additional data] P. L. Ricker 1897-6-26
Thuidiaceae
FH: 01134023 Thuidium delicatulum (Hedwig) Schimper USA: Virginia [data not captured] P. L. Ricker 4001 1944-10-1