Displaying 1 - 75 out of 98 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Closterium acerosum Ehrenb. ex Ralfs | H. M. Richards 215 | 21 May 1893 | United States of America | Massachusetts | Middlesex Co. | — |
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| Zygnema pectinatum (Vaucher) C.Agardh | H. M. Richards s.n. | 06 Aug 1889 | United States of America | Pennsylvania | Chester Co. Oldmixon, in ditches | — |
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| Draparnaldia glomerata (Vaucher) C.Agardh | H. M. Richards s.n. | 24 Dec 1890 | United States of America | Pennsylvania | Chester Co. Oldminton, ditch by… | — |
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| Draparnaldia plumosa (Vaucher) C.Agardh | H. M. Richards s.n. | 23 Dec 1890 | United States of America | Pennsylvania | Chester Co. Oldminton | — |
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| Oedogonium fragile Wittr. ex Hirn | H. M. Richards s.n. | 19 May 1895 | United States of America | Massachusetts | Middlesex Co. Hammonds Pond | — |
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| Ulva flexuosa Wulfen | H. M. Richards s.n. | 14 Aug 1890 | United States of America | Rhode Island | Newport Co. | — |
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| Agardhiella subulata (C.Agardh) Kraft & M.J.Wynne | H. M. Richards s.n. | 23 Aug 1894 | United States of America | Rhode Island | Newport Co. Conanicut Island, Mackerel… | — |
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| Audouinella purpurea (Lightf.) Woelk. | H. M. Richards s.n. | 10 Mar 1889 | United States of America | Massachusetts | Essex Co. | — |
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| Batrachospermum helminthosum Bory | H. M. Richards s.n. | 1891 | United States of America | Massachusetts | Norfolk Co. | — |
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| Callithamnion byssoideum | H. M. Richards 37 | 10 Sep 1894 | United States of America | Rhode Island | Newport Co. | — |
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| Callithamnion seirospermum (Harv.) Harv. | H. M. Richards s.n. | 14 Aug 1890 | United States of America | Rhode Island | Newport Co. | — |
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| Champia parvula (C.Agardh) Harv. | H. M. Richards s.n. | 21 Jul 1890 | United States of America | Rhode Island | Newport Co. | — |
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| Champia parvula (C.Agardh) Harv. | H. M. Richards s.n. | 18 Jul 1891 | United States of America | Rhode Island | Newport Co. Sachuest Point | — |
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| Chondria dasyphylla (Woodw.) C.Agardh | H. M. Richards s.n. | 10 Jul 1890 | United States of America | Rhode Island | Newport Co. | — |
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| Agardhiella tenera (J.Agardh) F.Schmitz | H. M. Richards s.n. | 30 Jul 1890 | United States of America | Rhode Island | Newport Co. | — |
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| Polyides rotunda (Huds.) Gaillon | H. M. Richards s.n. | Dec 1890 | United States of America | Rhode Island | Newport Co. | — |
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| Polysiphonia fastigiata (Roth) Grev. | H. M. Richards 72 | 11 Mar 1889 | United States of America | Massachusetts | Essex Co. Nahant | — |
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| Polysiphonia fibrillosa (Dillwyn) Spreng. | H. M. Richards 227 | 24 Jul 1893 | United States of America | Rhode Island | Newport Co. Newport | — |
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| Polysiphonia fibrillosa (Dillwyn) Spreng. | H. M. Richards 228 | 24 Jul 1893 | United States of America | Rhode Island | Newport Co. Newport | — |
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| Polysiphonia nigrescens (Huds.) Grev. ex Harv. | H. M. Richards 99 | 06 Apr 1891 | United States of America | Rhode Island | Newport Co. Coddington Cove | — |
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| Callithamnion seirospermum (Harv.) Harv. | H. M. Richards 305 | Jul 1891 | United States of America | Rhode Island | Newport Co. | — |
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| Polysiphonia violacea (Roth) Spreng. | H. M. Richards s.n. | 22 Jul 1892 | United States of America | Rhode Island | Newport Co. Easton's Point | — |
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| Polysiphonia violacea (Roth) Spreng. | H. M. Richards s.n. | 22 Jul 1892 | United States of America | Rhode Island | Newport Co. Easton's Point | — |
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| Ptilota elegans Bonnem. | H. M. Richards 86 | 31 Jan 1891 | United States of America | Rhode Island | Newport Co. | — |
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| Ptilota elegans Bonnem. | H. M. Richards 86 | Jan 1891 | United States of America | Rhode Island | Newport Co. | — |
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| Desmotrichum undulatum (J.Agardh) Reinke | H. M. Richards 238 | 01 Aug 1893 | United States of America | Rhode Island | Newport Co. | — |
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| Ectocarpus fasciculatus Harv. | H. M. Richards s.n. | 12 Aug 1890 | United States of America | Rhode Island | Newport Co. | — |
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| Laminaria phyllitis (Stackh.) C.Agardh | H. M. Richards s.n. | Jun 1893 | United States of America | Rhode Island | Newport Co. growing below tide… | — |
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| Chaetophora elegans (Roth) C.Agardh | H. M. Richards s.n. | 23 Aug 1889 | United States of America | Pennsylvania | Chester Co. Oldmixon | — |
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| Characium cylindricum F.D.Lamb. | H. M. Richards s.n. | 12 Nov 1889 | United States of America | Massachusetts | Middlesex Co. | — |
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| Rhodymenia palmata (L.) Grev. | H. M. Richards s.n. | 25 May 1892 | United States of America | Massachusetts | Essex Co. | — |
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| Schizaea pusilla Pursh | H. M. Richards s.n. | s.d. | United States of America | New Jersey | Atlantic Co. | — |
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| Microspora amoena (Kütz.) Rabenh. | H. M. Richards 965 | 07 May 1909 | United States of America | New Jersey | Bergen Co. Englewood | — |
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| Spirogyra varians (Hassall) Kütz. | H. M. Richards s.n. | May 1894 | United States of America | Massachusetts | Middlesex Co. | — |
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| Ceramium rubrum C.Agardh | H. M. Richards 107 | 02 Jul 1891 | United States of America | Rhode Island | Newport Co. Sachuest Beach | — |
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| Ectocarpus terminalis Kütz. | H. M. Richards s.n. | 23 Dec 1893 | United States of America | Rhode Island | Newport Co. Narragansett Bay, on… | — |
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| Sphacelaria cirrosa (Roth) C.Agardh | H. M. Richards s.n. | Jul 1892 | United States of America | Rhode Island | Newport Co. Coasters Harbor, in… | — |
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| Ceramium tenuissimum J.Agardh | H. M. Richards s.n. | 16 Aug 1890 | United States of America | Rhode Island | Newport Co. Sachuest Beach, washed… | — |
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| Cystoclonium purpurascens (Huds.) Kütz. | H. M. Richards s.n. | 16 Jul 1891 | United States of America | Rhode Island | Newport Co. Sachuest Beach | — |
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| Dasya baillouviana (S.G.Gmel.) Mont. | H. M. Richards s.n. | 02 Jul 1891 | United States of America | Rhode Island | Newport Co. Sachuest Beach | — |
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| Nemalion multifidum (F.Weber & D.Mohr) Chauv. | H. M. Richards s.n. | 02 Jul 1891 | United States of America | Rhode Island | Newport Co. Sachuest Beach | — |
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| Polysiphonia violacea (Roth) Spreng. | H. M. Richards s.n. | 02 Jul 1891 | United States of America | Rhode Island | Newport Co. Sachuest Beach | — |
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| Polysiphonia violacea (Roth) Spreng. | H. M. Richards s.n. | 02 Jul 1891 | United States of America | Rhode Island | Newport Co. Sachuest Beach | — |
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| Chondria tenuissima C.Agardh | H. M. Richards 124 | 22 Sep 1892 | United States of America | Rhode Island | Newport Co. Coasters Harbor | — |
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| Polysiphonia olneyi Harv. | H. M. Richards s.n. | Jul 1891 | United States of America | Rhode Island | Newport Co. Coasters Harbor | — |
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| Chondria dasyphylla (Woodw.) C.Agardh | H. M. Richards s.n. | 23 Aug 1894 | United States of America | Rhode Island | Newport Co. Conanicut | — |
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| Polyides rotunda (Huds.) Gaillon | H. M. Richards 302 | Sep 1894 | United States of America | Rhode Island | Newport Co. Conanicut Island, cast… | — |
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| Spermothamnion variabile | H. M. Richards s.n. | 16 Aug 1890 | United States of America | Rhode Island | Newport Co. Sachuest Beach, washed… | — |
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| Ahnfeltia plicata (Huds.) Fr. | H. M. Richards s.n. | Jun 1894 | United States of America | Rhode Island | Newport Co. Conanicut, in tide… | — |
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| Oedogonium rufescens Wittr. ex Hirn | H. M. Richards s.n. | 09 Jul 1894 | United States of America | Rhode Island | Newport Co. Conanicut, about four… | — |
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| Bulbochaete rectangularis Wittr. ex Hirn | H. M. Richards s.n. | 09 Jul 1894 | United States of America | Rhode Island | Newport Co. Conanicut | — |
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| Porphyra laciniata C.Agardh | H. M. Richards s.n. | 13 Jul 1888 | United States of America | Rhode Island | Newport Co. | — |
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| Padina pavonia (L.) J.V.Lamour. | H. M. Richards s.n. | Feb 1898 | Bermuda | — | S. Shore | — |
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| Oedogonium nodulosum Wittr. ex Hirn | H. M. Richards s.n. | 26 May 1894 | United States of America | Massachusetts | Middlesex Co. Glacialis | — |
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| Monostroma collinsii Farl. | H. M. Richards 97 | 18 Apr 1891 | United States of America | Massachusetts | Essex Co. Little Nahant, rocks… | — |
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| Draparnaldia acuta (C.Agardh) Kütz. | H. M. Richards 967 B | 07 May 1909 | United States of America | New Jersey | Bergen Co. | — |
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| Chaetophora elegans (Roth) C.Agardh | H. M. Richards s.n. | 23 Aug 1889 | United States of America | Pennsylvania | Chester Co. [illegible] Mill Dam | — |
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| Tetraspora lubrica (Roth) C.Agardh | H. M. Richards s.n. | Mar 1894 | United States of America | Rhode Island | Newport Co. | — |
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| Cladophora gracilis (A.W.Griffiths) Kütz. | H. M. Richards s.n. | 01 Aug 1890 | United States of America | Rhode Island | Newport Co. | — |
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| Tetraspora lubrica (Roth) C.Agardh | H. M. Richards s.n. | 03 Apr 1891 | United States of America | Rhode Island | Newport Co. in running brook | — |
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| Spermothamnion turneri (Mertens ex Roth) Aresch. | H. M. Richards s.n. | Jul 1892 | United States of America | Rhode Island | Newport Co. Sachuest Beach, washed… | — |
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| Bryopsis plumosa (Huds.) C.Agardh | H. M. Richards s.n. | 02 Jul 1891 | United States of America | Rhode Island | Newport Co. near Purgatory | — |
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| Petrocelis | H. M. Richards s.n. | Oct 1888 | United States of America | Massachusetts | Essex Co. | — |
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| Cladostephus spongiosus (Huds.) C.Agardh | H. M. Richards s.n. | s.d. | United States of America | Rhode Island | Newport Co. in tide pools… | — |
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| Cladostephus verticillatus (Lightf.) Lyngb. | H. M. Richards s.n. | s.d. | United States of America | Rhode Island | Newport Co. in tide pools… | — |
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| Ceramium tenuissimum J.Agardh | H. M. Richards 274 | Aug 1894 | United States of America | Rhode Island | Newport Co. Conanicut | — |
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| Haematococcus pluvialis Flot. | H. M. Richards s.n. | 03 Nov 1888 | United States of America | Massachusetts | Essex Co. on rocks above… | — |
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| Oedogonium nodulosum Wittr. ex Hirn | H. M. Richards s.n. | 26 May 1894 | United States of America | Massachusetts | Middlesex Co. Glacialis | — |
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| Pogonatum pensilvanicum (Hedw.) P.Beauv. | H. M. Richards | 07 Jun 1894 | United States of America | New Hampshire | Coös Co. | — | ||||
| Characium cylindricum F.D.Lamb. | H. M. Richards s.n. | 12 Nov 1889 | United States of America | Massachusetts | Middlesex Co. | — |
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| Microspora amoena (Kütz.) Rabenh. | H. M. Richards 965 | 07 May 1909 | United States of America | New Jersey | Bergen Co. | — |
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| Ceramium rubrum C.Agardh | H. M. Richards s.n. | 22 Aug 1890 | United States of America | Rhode Island | Newport Co. | — |
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| Dasya baillouviana (S.G.Gmel.) Mont. | H. M. Richards 288 | 27 Aug 1894 | United States of America | Rhode Island | Newport Co. Conauicut Island, Mackerel… | — |
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| Dasya baillouviana (S.G.Gmel.) Mont. | H. M. Richards s.n. | Aug 1894 | United States of America | Rhode Island | Newport Co. Conauicut, Mackerel Cove | — |
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| Dasya baillouviana (S.G.Gmel.) Mont. | H. M. Richards s.n. | Aug 1891 | United States of America | Rhode Island | Newport Co. | — |
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