Displaying 1 - 75 out of 176 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Viola obliqua Hill | C. D. Fretz 1 | 03 May 1898 | United States of America | Pennsylvania | Bucks Co. | — | 3575501 |
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| Dichanthelium boscii (Poir.) Gould & C.A.Clark | C. D. Fretz 2 | 11 Jun 1898 | United States of America | Pennsylvania | Bucks Co. | — | 1709601 |
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| Viburnum dentatum L. | C. D. Fretz 3 | 25 Jun 1904 | United States of America | Pennsylvania | Bucks Co. | — | 2460002 |
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| Dichanthelium acuminatum (Sw.) Gould & C.A.Clark var. acuminatum | C. D. Fretz 4 | 17 Jun 1899 | United States of America | Pennsylvania | Bucks Co. | — | 1592236 |
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| Viburnum dentatum L. | C. D. Fretz 4 | June 25, Sept. 8, 1904 | United States of America | Pennsylvania | Bucks Co. | — | 2460014 |
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| Viburnum dentatum L. | C. D. Fretz 6 | 19 Aug 1904 | United States of America | Pennsylvania | Glenlake | — | 2460006 |
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| Viburnum dentatum L. | C. D. Fretz 7 | 19 Aug 1904 | United States of America | Pennsylvania | near Glenlake | — | 2460004 |
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| Crataegus crocata Ashe | C. D. Fretz 10 | 30 Sep 1904 - 02 Oct 1904 | United States of America | Pennsylvania | Bucks Co. | — | 2732588 |
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| Crataegus roanensis Ashe | C. D. Fretz 10 | 13 May 1903 - 17 Sep 1903 | United States of America | Pennsylvania | Bucks Co. | — | 2748912 |
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| Crataegus succulenta Schrad. ex Link | C. D. Fretz 19 | May 22 1906, June 27 1899, Sep 23 1903 | United States of America | Pennsylvania | Bucks Co. | — | 2778487 |
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| Crataegus succulenta Schrad. ex Link | C. D. Fretz 19 | 29 May 1909 | United States of America | Pennsylvania | Bucks Co. Railroad Bridge | — | 2778501 |
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| Crataegus succulenta Schrad. ex Link | C. D. Fretz 19 | 18 Sep 1903 | United States of America | Pennsylvania | Bucks Co. | — | 2778517 |
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| Crataegus succulenta Schrad. ex Link | C. D. Fretz 20 | 22 May 1906 | United States of America | Pennsylvania | Bucks Co. | — | 2778500 |
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| Crataegus succulenta Schrad. ex Link | C. D. Fretz 21 | 14 Jun 1901 - 24 Jul 1899 | United States of America | Pennsylvania | Bucks Co. | — | 2778502 |
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| Crataegus crus-galli L. | C. D. Fretz 28 | 10 Jul 1899 | United States of America | Pennsylvania | Bucks Co. | — | 2732885 |
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| Crataegus tenella Ashe | C. D. Fretz 100 | 12 Sep 1899 | United States of America | Pennsylvania | Bucks Co. | — | 2778619 |
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| Crataegus austera Sarg. | C. D. Fretz 102 | 23 May 1899 - 27 Sep 1899 | United States of America | Pennsylvania | Bucks Co. | — | 02731378 |
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| Crataegus deltoides Ashe | C. D. Fretz 103 | 12 May 1899 - 27 Sep 1899 | United States of America | Pennsylvania | Bucks Co. | — | 02733035 |
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| Crataegus deltoides Ashe | C. D. Fretz 104 | 12 May 1903 - 27 Sep 1903 | United States of America | Pennsylvania | Bucks Co. N. Sellersville | — | 02733036 |
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| Crataegus dissona Sarg. | C. D. Fretz 106 | 19 May 1903 - 19 Sep 1903 | United States of America | Pennsylvania | Bucks Co. | — | 2733126 |
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| Crataegus macrosperma Ashe | C. D. Fretz 109 | 12 May 1899 - 13 Jun 1899 | United States of America | Pennsylvania | Bucks Co. | — | 2734933 |
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| Crataegus modica Sarg. | C. D. Fretz 109 | 15 May 1903 - 11 Aug 1899 | United States of America | Pennsylvania | Pl. Sp. Bridge Per. | — | 02747111 |
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| Crataegus modica Sarg. | C. D. Fretz 109 | 11 Aug 1899 - 27 Sep 1899 | United States of America | Pennsylvania | Bucks Co. | — | 02747112 |
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| Crataegus saturata Sarg. | C. D. Fretz 110 | 19 May 1903 (fl) & 27 Sep 1899 (f) | United States of America | Pennsylvania | Bucks Co. Pleasant Spring bridge | isotype | 1043396 |
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| Crataegus moyeriana Sarg. | C. D. Fretz 111 | 19 May 1909 | United States of America | Pennsylvania | Bucks Co. Hilltown Twp., near… | — | 02747494 |
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| Crataegus moyeriana Sarg. | C. D. Fretz 111 | 19 May 1903 - 19 Sep 1903 | United States of America | Pennsylvania | Pl. Sp. Bridge | — | 02747495 |
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| Crataegus deducta Sarg. | C. D. Fretz 112 | 05 May 1889 (fl) - 02 Oct 1899 (fr) | United States of America | Pennsylvania | Bucks Co. Sellersville | syntype | 1043350 |
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| Crataegus holmesiana Ashe | C. D. Fretz 114 | 14 May 1901 | United States of America | Pennsylvania | Bucks Co. | — | 2734139 |
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| Crataegus holmesiana var. villipes Ashe | C. D. Fretz 117 | 09 Sep 1899 | United States of America | Pennsylvania | Bucks Co. | — | 2734147 |
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| Crataegus nemoralis Sarg. | C. D. Fretz 118 | 28 May 1901 | United States of America | Pennsylvania | Bucks Co. | — | 02747525 |
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| Crataegus nemoralis Sarg. | C. D. Fretz 118 | 28 May 1901 - 24 Sep 1901 | United States of America | Pennsylvania | North Dellersville | — | 02747527 |
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| Crataegus schweinitziana Sarg. | C. D. Fretz 119 | 16 Sep 1899 | United States of America | Pennsylvania | Bucks Co. Sellersville | syntype | 1085356 |
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| Crataegus schweinitziana Sarg. | C. D. Fretz 119 | May 1903 (fl) & 10 Sep 1903 (st) | United States of America | Pennsylvania | Bucks Co. Near Sellersville. | not a type | 1085357 |
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| Crataegus canbyi Sarg. | C. D. Fretz 120 | 03 Oct 1899 | United States of America | Pennsylvania | Bucks Co. | — | 2731901 |
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| Crataegus nemoralis Sarg. | C. D. Fretz 121 | 03 Oct 1899 | United States of America | Pennsylvania | Bucks Co. | — | 02747528 |
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| Crataegus nemoralis Sarg. | C. D. Fretz 121 | 30 Sep 1904 - 02 Oct 1904 | United States of America | Pennsylvania | Bucks Co. | — | 02747530 |
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| Crataegus rivalis Sarg. | C. D. Fretz 123 | 30 Sep 1904 - 02 Oct 1904 | United States of America | Pennsylvania | Bucks Co. | — | 02748895 |
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| Crataegus alacris Sarg. | C. D. Fretz 125 | 16 May 1903 - 21 Sep 1903 | United States of America | Pennsylvania | Deep Run | — | 02731079 |
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| Crataegus jesupii Sarg. | C. D. Fretz 125 | 30 Sep 1904 - 02 Oct 1904 | United States of America | Pennsylvania | Bucks Co. | — | 2734411 |
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| Crataegus jejuna Sarg. | C. D. Fretz 127 | 16 May 1903 - 21 Sep 1903 | United States of America | Pennsylvania | Bucks Co. | — | 02734393 |
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| Crataegus firma Sarg. | C. D. Fretz 128 | 16 May 1903 (fl) - 19 Sep 1903 (fr, in packet) | United States of America | Pennsylvania | Bucks Co. Sellersville | not a type | 02065567 |
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| Crataegus firma Sarg. | C. D. Fretz 128 | 16 May 1903 (no flowering branches on this sheet) & 19 Sep 1903 (fr) | United States of America | Pennsylvania | Bucks Co. Sellersville | not a type | 02065566 |
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| Crataegus jejuna Sarg. | C. D. Fretz 129 | 22 May 1901 | United States of America | Pennsylvania | Bucks Co. Gu gulley, Lusigs… | — | 02734394 |
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| Crataegus arcuata Ashe | C. D. Fretz 135 | 21 May 1901 - 19 Jun 1906 | United States of America | Pennsylvania | Bucks Co. | — | 2731272 |
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| Crataegus arcuata Ashe | C. D. Fretz 135 | 21 May 1901 | United States of America | Pennsylvania | Bucks Co. | — | 2731281 |
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| Crataegus pruinosa (H.L.Wendl.) K.Koch | C. D. Fretz 137 | 22 May 1901 - 24 Sep 1903 | United States of America | Pennsylvania | Bucks Co. | — | 2748304 |
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| Crataegus pumila Sarg. | C. D. Fretz 139 | 22 Sep 1906 | United States of America | Pennsylvania | Bucks Co. Sellersville | syntype | 1043371 |
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| Crataegus arcana Beadle | C. D. Fretz 141 | 22 May 1901 - 22 Sep 1903 | United States of America | Pennsylvania | Lawrence Co. | — | 2731268 |
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| Crataegus tenella Ashe | C. D. Fretz 142 | 22 May 1901 | United States of America | Pennsylvania | Bucks Co. | — | 2778608 |
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| Crataegus jejuna Sarg. | C. D. Fretz 145 | 30 Sep 1904 - 02 Oct 1904 | United States of America | Pennsylvania | Bucks Co. | — | 02734395 |
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| Crataegus arcuata Ashe | C. D. Fretz 146 | 06 May 1901 - 10 Sep 1901 | United States of America | Pennsylvania | Bucks Co. | — | 2731280 |
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| Crataegus ruthiana Sarg. | C. D. Fretz 149 | 24 Sep 1901 (fr) & 09 May 1903 (fl) | United States of America | Pennsylvania | Bucks Co. Durham | not a type | 02065569 |
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| Crataegus ruthiana Sarg. | C. D. Fretz 150 | 09 May 1903 (fl) | United States of America | Pennsylvania | Bucks Co. Durham | — | 1085372 |
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| Crataegus ruthiana Sarg. | C. D. Fretz 150 | 09 May 1903 & 29 Sep 1903 (fr) | United States of America | Pennsylvania | Bucks Co. Durham | not a type | 1085373 |
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| Crataegus ruthiana Sarg. | C. D. Fretz 150 | 24 Sep 1901 | United States of America | Pennsylvania | Bucks Co. Limestone bluff, Durham… | not a type | 02065568 |
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| Crataegus fretzii Sarg. | C. D. Fretz 151 | 09 May 1903 - 29 Sep 1903 | United States of America | Pennsylvania | Bucks Co. | — | 02733786 |
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| Crataegus punctata Jacq. | C. D. Fretz 153 | 20 May 1901 - 24 Sep 1901 | United States of America | Pennsylvania | Bucks Co. | — | 2748678 |
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| Crataegus opica Ashe | C. D. Fretz 158 | 22 May 1906 | United States of America | Pennsylvania | Bucks Co. | — | 02747619 |
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| Crataegus pygmaea Sarg. | C. D. Fretz 161 | 24 May 1905 | United States of America | Pennsylvania | Bucks Co. West Rockhill Twp.,… | — | 1085368 |
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| Crataegus pygmaea Sarg. | C. D. Fretz 161 | 25 Sep 1905, 22 May 1906 & 30 Aug 1907 | United States of America | Pennsylvania | Bucks Co. Sellersville | not a type | 1085367 |
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| Crataegus infera Sarg. | C. D. Fretz 162 | 21 May 1905 | United States of America | Pennsylvania | Bucks Co. | — | 02734226 |
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| Crataegus infera Sarg. | C. D. Fretz 162 | 21 May 1906 - 30 Aug 1907 | United States of America | Pennsylvania | Bucks Co. | — | 02734227 |
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| Crataegus collinsiana Sarg. | C. D. Fretz 163 | 15 May 1903 (fl) & 14 Sep 1903 (fr) | United States of America | Pennsylvania | Bucks Co. Near Sellersville [from… | isotype | 1085364 |
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| Crataegus scabriuscula Sarg. | C. D. Fretz 170 | 09 May 1903 (fl) & 29 Sep 1903 (fr) | United States of America | Pennsylvania | Bucks Co. Durham | syntype | 1085371 |
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| Crataegus jesupii Sarg. | C. D. Fretz 172 | 11 May 1903 - 05 Oct 1903 | United States of America | Pennsylvania | Bucks Co. n. Sellersville | — | 2734410 |
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| Crataegus rufipes Ashe | C. D. Fretz 174 | 20 May 1906 | United States of America | Pennsylvania | Bucks Co. | — | 02749127 |
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| Crataegus delicata Sarg. | C. D. Fretz 177 | 15 May 1903 (fl) - 14 Sep 1903 (fr) | United States of America | Pennsylvania | Bucks Co. Near Sellersville [from… | syntype | 1085363 |
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| Crataegus longipetiolata Sarg. | C. D. Fretz 178 | 15 May 1903 - 14 Sep 1903 | United States of America | Pennsylvania | Bucks Co. N. [near] Sellersville,… | syntype | 1043458 |
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| Crataegus roanensis Ashe | C. D. Fretz 180 | 15 May 1903 - 14 Sep 1903 | United States of America | Pennsylvania | Bucks Co. | — | 2748913 |
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| Crataegus pruinosa (H.L.Wendl.) K.Koch | C. D. Fretz 181 | 16 May 1903 - 21 Sep 1903 | United States of America | Pennsylvania | Bucks Co. | — | 2748303 |
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| Crataegus uniflora Münchh. | C. D. Fretz 182 | 20 May 1903 - 14 Sep 1903 | United States of America | Pennsylvania | Bucks Co. | — | 2778965 |
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| Crataegus micrantha Sarg. | C. D. Fretz 183 | 20 May 1903 - 14 Sep 1903 | United States of America | Pennsylvania | Bucks Co. | — | 02747084 |
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| Crataegus tenella Ashe | C. D. Fretz 188 | 30 Sep 1904 - 02 Oct 1904 | United States of America | Pennsylvania | Bucks Co. | — | 2778617 |
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| Crataegus apposita Sarg. | C. D. Fretz 196 | 30 Sep 1904 - 02 Oct 1904 | United States of America | Pennsylvania | Bucks Co. Deep Rum | — | 2731219 |
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| Crataegus radiosa Sarg. | C. D. Fretz 198 | 13 Sep 1907 | United States of America | Pennsylvania | Bucks Co. | — | 02748790 |
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