Displaying 51 - 98 out of 98 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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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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| Cladostephus verticillatus (Lightf.) Lyngb. | H. M. Richards s.n. | 28 Dec 1890 | United States of America | Rhode Island | Newport Co. | — |
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| Sheathia boryana (Sirodot) E.D.Salomaki & M.L.Vis | H. M. Richards 14 | Dec 1890 | United States of America | Pennsylvania | Chester Co. Oldmixon | — |
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| Petalonia fascia (O.F.Müll.) Kuntze | H. M. Richards 260 | Dec 1893 | United States of America | Rhode Island | Newport Co. | — |
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| Scytosiphon lomentaria (Lyngb.) Link | H. M. Richards 259 | Dec 1893 | United States of America | Rhode Island | Newport Co. | — |
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| Sphacelaria cirrosa (Roth) C.Agardh | H. M. Richards s.n. | 20 Aug 1891 | United States of America | Rhode Island | Newport Co. | — |
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| Ceramium fastigiatum Harv. | H. M. Richards s.n. | 10 Jul 1890 | United States of America | Rhode Island | Newport Co. | — |
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| Giffordia mitchelliae (Harv.) Hamel | H. M. Richards 224 | 20 Jul 1893 | United States of America | Rhode Island | Newport Co. Conanicut | — |
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| Chroolepus umbrinum Kütz. | H. M. Richards s.n. | 19 Apr 1890 | United States of America | Massachusetts | Norfolk Co. on Pinus | — |
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| Penicillus capitatus Lam. | H. M. Richards s.n. | Feb 1898 | Bermuda | — | south shore, in tide pools | — |
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| Ceramothamnion codii H.Richards | H. M. Richards s.n. | Feb 1898 | Bermuda | — | Harris Bay, on Codium tomentosum | type |
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| Ceramothamnion codii H.Richards | H. M. Richards s.n. | Feb 1898 | Bermuda | — | Harris Bay, on Codium tomentosum | type |
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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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| 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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| Enteromorpha percursa (C.Agardh) J.Agardh | H. M. Richards s.n. | May 1898 | United States of America | Massachusetts | Lynn marshes | — |
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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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| Ceramothamnion codii H.Richards | H. M. Richards s.n. | Feb 1898 | Bermuda | — | Harris Bay, on Codium tomentosum | type |
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| Dichothrix baueriana (Grunow) Bornet & Flahault | H. M. Richards s.n. | Nov 1890 | United States of America | Rhode Island | Newport Co. on stones at… | — |
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| Aphanothece microscopica Nägeli | H. M. Richards s.n. | 18 Feb 1895 | United States of America | Massachusetts | Middlesex Co. Botanic Garden, on… | — |
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| Phormidium autumnale Gomont | H. M. Richards s.n. | 10 Aug 1894 | United States of America | Rhode Island | Newport Co. Conanicut Island, growing… | — |
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| Nostoc commune Vaucher | H. M. Richards s.n. | 05 Feb 1898 | Bermuda | — | Castle Point, on the ground | — |
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| Nostoc sphaeroides Kütz. | H. M. Richards s.n. | s.d. | United States of America | Massachusetts | Middlesex Co. Fresh Pond | — |
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| Porphyra laciniata C.Agardh | H. M. Richards s.n. | 22 Jul 1891 | United States of America | Rhode Island | Newport Co. Newport | — |
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