Displaying 1 - 75 out of 196 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Agardhiella | F. E. Drouet | H. B. Louderback 8515 | 21 Aug 1948 | United States of America | Delaware | Sussex Co. north of Hotel… | — | 03559071 |
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| Bangia | F. E. Drouet | H. B. Louderback 8561 | 24 Aug 1948 | United States of America | Delaware | Sussex Co. near Hotel Henlopen,… | — | 03558476 |
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| Bostrychia | F. E. Drouet | H. B. Louderback 10274 b | 28 Dec 1948 | United States of America | Florida | Broward Co. Dania Beach | — | 03559967 |
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| Brachythecium laetum (Brid.) Schimp. | F. E. Drouet | H. B. Louderback 5706 | 17 Jun 1946 | United States of America | Illinois | Jo Daviess Co. Just east… | — | 566652 | ||
| Bryothamnion | H. B. Louderback s.n. | 29 Dec 1949 | United States of America | Florida | Palm Beach Co. Palm Beach | — | 03560131 |
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| Bryothamnion seaforthii (Turner) Kütz. | F. E. Drouet | H. B. Louderback 10317 | 28 Dec 1948 | United States of America | Florida | Broward Co. between Dania Beach… | — | 03560137 |
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| Bryothamnion seaforthii (Turner) Kütz. | F. E. Drouet | H. B. Louderback 10198 | 23 Dec 1948 | United States of America | Florida | Palm Beach Co. east end… | — | 03560138 |
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| Bryothamnion seaforthii (Turner) Kütz. | F. E. Drouet | H. B. Louderback 10245 | 25 Dec 1948 | United States of America | Florida | Palm Beach Co. on Singer… | — | 03560141 |
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| Caloglossa leprieurii (Mont.) G.Martens | F. E. Drouet | H. B. Louderback 10274 c | 28 Dec 1948 | United States of America | Florida | Broward Co. Dania Beach | — | 03561177 |
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| Caulerpa | H. B. Louderback s.n. | 29 Dec 1949 | United States of America | Florida | Palm Beach Co. Palm Beach | — | 03054973 |
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| Centroceras clavulatum (C.Agardh) Mont. | F. E. Drouet | H. B. Louderback 10321 b | 28 Dec 1948 | United States of America | Florida | Broward Co. between Dania Beach… | — | 03561272 |
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| Ceramium Roth | F. E. Drouet | H. B. Louderback 10327 | 28 Dec 1948 | United States of America | Florida | Broward Co. between Dania Beach… | — | 03561407 |
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| Chaetophora incrassata Hazen | F. E. Drouet | H. B. Louderback 12987 | 16 Aug 1957 | United States of America | Michigan | Charlevoix Co. Beaver island, floating… | — | 04242771 |
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| Chaetophora incrassata Hazen | F. E. Drouet | H. B. Louderback | E. Lange 12437 | 21 Aug 1956 | United States of America | Michigan | Charlevoix Co. on the shore… | — | 02105823 |
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| Champia salicornioides Harv. | F. E. Drouet | H. B. Louderback 10323 | 28 Dec 1948 | United States of America | Florida | Broward Co. between Dania Beach… | — | 03596801 |
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| Chantransia violacea Kütz. | F. E. Drouet | H. B. Louderback 5209 | 11 Sep 1943 - 12 Sep 1943 | United States of America | Illinois | Livingston Co. in seepage on… | — | 03596872 |
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| Chantransia violacea Kütz. | F. E. Drouet | H. B. Louderback 5438 | 25 Jun 1944 | United States of America | Illinois | Kane Co. in shallow flowing… | — | 03596873 |
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| Chara aspera Willd. | F. E. Drouet | H. B. Louderback 12996 | 17 Aug 1957 | United States of America | Michigan | Charlevoix Co. Beaver Island, Font… | — | 03202912 |
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| Chara aspera Willd. | F. E. Drouet | H. B. Louderback 13038 | 18 Aug 1957 | United States of America | Michigan | Charlevoix Co. Beaver Island, shore… | — | 03203774 |
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| Chara aspera Willd. | F. E. Drouet | H. B. Louderback 12862 | 14 Aug 1957 | United States of America | Michigan | Charlevoix Co. Lake Michigan, Beaver… | — | 03203778 |
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| Chara aspera Willd. | F. E. Drouet | H. B. Louderback 13192 | 22 Aug 1957 | United States of America | Michigan | Charlevoix Co. Beaver Island, in… | — | 03203780 |
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| Chara contraria A.Braun ex Kütz. | F. E. Drouet | H. B. Louderback 13132 | 20 Aug 1957 | United States of America | Michigan | Charlevoix Co. Beaver Island, St.… | — | 03202913 |
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| Chara contraria A.Braun ex Kütz. | F. E. Drouet | H. B. Louderback 13120 | 20 Aug 1957 | United States of America | Michigan | Charlevoix Co. Beaver Island, St.… | — | 03203779 |
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| Chara contraria A.Braun ex Kütz. | F. E. Drouet | H. B. Louderback 5727 | 21 Aug 1946 | United States of America | Utah | Salt Lake Co. Memory Park | — | 03205380 |
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| Chara vulgaris L. | F. E. Drouet | H. B. Louderback 13085 | 19 Aug 1957 | United States of America | Michigan | Charlevoix Co. Beaver Island, shore… | — | 03203781 |
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| Chara zeylanica Klein ex Willd. | F. E. Drouet | H. B. Louderback 8541 | 23 Aug 1948 | United States of America | Delaware | Sussex Co. Rehoboth Beach, in… | — | 03332478 |
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| Chlorotylium cataractarum Kütz. | F. E. Drouet | H. B. Louderback 5430 | 24 Jun 1944 | United States of America | Illinois | Kane Co. stones in a… | — | 03049233 |
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| Chlorotylium cataractarum Kütz. | H. B. Louderback | F. E. Drouet 5322 | 15 Apr 1944 | United States of America | Illinois | Kane Co. stones in a… | — | 03049232 |
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| Chondria | F. E. Drouet | H. B. Louderback 10325 c | 28 Dec 1948 | United States of America | Florida | Broward Co. between Dania Beach… | — | 03596970 |
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| Chondria littoralis Harv. | F. E. Drouet | H. B. Louderback 10325 a | 28 Dec 1948 | United States of America | Florida | Broward Co. between Dania Beach… | — | 03597138 |
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| Cladophora | D. Richards | F. E. Drouet | C. F. Massey | H. B. Louderback 5920 | 23 Nov 1947 | United States of America | Indiana | Parke Co. Turkey Run State… | — | 03056610 |
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| Cladophora | H. B. Louderback | C. Graham s.n. | 05 Jul 1949 | United States of America | Maine | Lincoln Co. Pemaquid Point | — | 03056586 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5471 | 03 Jul 1944 | United States of America | Illinois | Cook Co. Japanese Garden, Jackson… | — | 03203195 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5269 | 31 Oct 1943 | United States of America | Illinois | Cook Co. floating in shallow… | — | 03203198 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5268 | 31 Oct 1943 | United States of America | Illinois | Cook Co. Washington Park | — | 03203199 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback | R. Lauderback 5344 | 14 May 1944 | United States of America | Illinois | Cook Co. Japanese Garden, Jackson… | — | 03203203 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5245 | 12 Oct 1943 | United States of America | Illinois | Cook Co. on rocks in… | — | 03203204 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 13353 | 19 Apr 1958 | United States of America | Illinois | Kankakee Co. floating in a… | — | 03203206 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5216 | 11 Sep 1943 - 12 Sep 1943 | United States of America | Illinois | Livingston Co. on stones in… | — | 03203210 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5612 | 03 Sep 1944 | United States of America | Illinois | Livingston Co. floating in a… | — | 03203211 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5620 | 03 Sep 1944 | United States of America | Illinois | Livingston Co. attached to concrete-work… | — | 03203212 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5609 | 03 Sep 1944 | United States of America | Illinois | Livingston Co. attached to boards… | — | 03203215 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5786 | 26 Jul 1947 | United States of America | Illinois | Kane Co. on wet rocks… | — | 03203219 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5212 | 11 Sep 1943 - 12 Sep 1943 | United States of America | Illinois | Livingston Co. caught on debris… | — | 03203225 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5441 | 25 Jun 1944 | United States of America | Illinois | Kane Co. in shallow water… | — | 03203226 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5238 | 12 Oct 1943 | United States of America | Illinois | Cook Co. scraped from rocks… | — | 03203228 |
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| Cladophora crispata (Roth) Kütz. | H. B. Louderback | F. E. Drouet 5476 | 22 Jul 1944 | United States of America | Wisconsin | Dane Co. south shore of… | — | 03203337 |
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| Cladophora crispata (Roth) Kütz. | H. B. Louderback | F. E. Drouet 5512 | 22 Jul 1944 | United States of America | Wisconsin | Dane Co. south shore of… | — | 03203338 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5673 | 29 Aug 1945 | United States of America | Missouri | Boone Co. floating in shallow… | — | 03203359 |
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| Cladophora crispata (Roth) Kütz. | H. B. Louderback s.n. | 26 Aug 1946 | United States of America | Colorado | El Paso Co. Monument Valley… | — | 03203667 |
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| Cladophora crispata (Roth) Kütz. | H. B. Louderback 6 | 23 Aug 1947 | United States of America | Colorado | Sloans lake | — | 03203668 |
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| Cladophora crispata (Roth) Kütz. | F. E. Drouet | H. B. Louderback 5742 | 21 Aug 1946 | United States of America | Utah | Salt Lake Co. Saltair | — | 03203675 |
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| Cladophora fracta (O.F.Müll. ex Vahl) Kütz. | F. E. Drouet | H. B. Louderback 12606 | 23 Sep 1956 | United States of America | Illinois | Kankakee Co. floating in Kankakee… | — | 02026142 |
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| Cladophora fracta (O.F.Müll. ex Vahl) Kütz. | F. E. Drouet | H. B. Louderback 12646 | 05 May 1957 | United States of America | Illinois | Champaign Co. floating in Lake… | — | 02026143 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 13330 | 05 Oct 1957 | United States of America | Illinois | Kankakee Co. on stones in… | — | 03203924 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5770 | 27 Jul 1947 | United States of America | Illinois | Kane Co. on rocks in… | — | 03203925 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5262 | 24 Oct 1943 | United States of America | Illinois | Livingston Co. wet by spray… | — | 03203926 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5207 | 11 Sep 1943 - 12 Sep 1943 | United States of America | Illinois | Livingston Co. at the dam… | — | 03203927 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5262 | 24 Oct 1943 | United States of America | Illinois | Livingston Co. on rocks in… | — | 03203928 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5436 | 24 Jun 1944 | United States of America | Illinois | Kane Co. on rocks in… | — | 03203931 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5793 | 26 Jul 1947 | United States of America | Illinois | Kane Co. on rocks in… | — | 03203932 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5442 | 25 Jun 1944 | United States of America | Illinois | Kane Co. caught on the… | — | 03203937 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5439 | 24 Jun 1944 | United States of America | Illinois | Kane Co. floating along shore… | — | 03203942 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5719 | 04 Jul 1946 | United States of America | Illinois | Cook Co. Lake Michigan at… | — | 03203944 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5424 | 24 Jun 1944 | United States of America | Illinois | Kane Co. Geneva, floating in… | — | 03203947 |
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| Cladophora glomerata (L.) Kütz. | H. B. Louderback | F. E. Drouet 5475 | 22 Jul 1944 | United States of America | Wisconsin | Dane Co. south shore of… | — | 03204071 |
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| Cladophora glomerata (L.) Kütz. | H. B. Louderback | F. E. Drouet 5494 a | 22 Jul 1944 | United States of America | Wisconsin | Dane Co. south shore of… | — | 03204072 |
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| Cladophora glomerata (L.) Kütz. | H. B. Louderback | F. E. Drouet 5480 | 22 Jul 1944 | United States of America | Wisconsin | Dane Co. south shore of… | — | 03204074 |
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| Cladophora glomerata (L.) Kütz. | H. B. Louderback | F. E. Drouet 5514 | 22 Jul 1944 | United States of America | Wisconsin | Dane Co. south shore of… | — | 03204075 |
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| Cladophora glomerata (L.) Kütz. | H. B. Louderback | F. E. Drouet 5513 | 23 Jul 1944 | United States of America | Wisconsin | Dane Co. near the south… | — | 03204076 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5726 | 21 Aug 1946 | United States of America | Utah | Salt Lake Co. Memory Park | — | 03204256 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | E. P. Killip | J. Rubinstein | H. B. Louderback 11839 | 01 Jun 1952 | United States of America | Illinois | Lake Co. Ravinia, on rocks… | — | 03203948 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5396 | 23 Jun 1944 | United States of America | Illinois | Kane Co. on rocks in… | — | 03203936 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5363 | 23 Jun 1944 | United States of America | Illinois | Kane Co. on hard mud… | — | 03203930 |
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| Cladophora glomerata (L.) Kütz. | F. E. Drouet | H. B. Louderback 5719 | 04 Jul 1946 | United States of America | Illinois | Cook Co. On rocks and… | — | 02128798 |
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