#  Tilden, American Algae 

 



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**Tilden**, Josephine Elizabeth (?1869-1957)

Related literature available online at the Biodiversity Heritage Library: [A contribution to the bibliography of American algae](https://www.biodiversitylibrary.org/bibliography/144913#/summary)

**AMERICAN ALGAE.**  
Centuries I-VII, numbers 1-850. Minneapolis, Minnesota, 1894-1909.   
Specimens are dried on paper.

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*Navicula cuspidata* Kützing  
Collector: Josephine E. Tilden  
United States (Minnesota) Minneapolis  
Tilden 89  
  
*Pleurosigma spencerii* (Quekett) W. Smith  
Collector: A. P. Anderson  
United States (Minnesota) Mississippi River  
Tilden 90  
  
*Gomphonema constrictum* Ehrenberg  
Collector: Josephine E. Tilden  
United States (Minnesota) Minneapolis  
Tilden 91  
  
*Gomphonema olivaceum* (Lyngbye) Kützing  
Collector: A. P. Anderson  
United States (Minnesota) Minneapolis  
Tilden 92

*Gomphonema olivaceum* (Lyngbye) Kützing  
Collector: Conway MacMillan  
United States (Minnesota) Mississippi River  
Tilden 92 \[This duplicate numbered sample is at the end of Century II.\]  
  
*Cocconeis pediculus* Ehrenberg  
United States (Minnesota) Fort Snelling  
Collector: Josephine E. Tilden  
Tilden 93  
  
*Nitzschia vitrea* Norman  
Collector: Josephine E. Tilden  
United States (Wisconsin) Osceola  
Tilden 94  
  
*Odontidium mutabile* W. Smith  
Collector: Josephine E. Tilden  
United States (Minnesota) Minneapolis  
Tilden 95  
  
*Synedra pulchella* (Ralfs ) Kützingvar*. minutissima* (W. Smith) Grunow  
Collector: Josephine E. Tilden  
United States (Minnesota) Minneapolis  
Tilden 96  
  
*Synedra ulna* (Nitzsch) Ehrenberg  
United States (Minnesota) Minneapolis  
Collector: Josephine E. Tilden  
Tilden 97  
  
*Fragilaria capucina* Desmazières  
Collector: Josephine E. Tilden  
United States (Wisconsin) Osceola  
Tilden 98  
  
*Cystopleura sorex* (Kützing) Kuntze  
Collector: A. P. Anderson  
United States (Minnesota) Mississippi River  
Tilden 99  
  
*Lysigonium varians* (C. Agardh) DeToni  
Collector: Josephine E. Tilden  
United States (Minnesota) Saint Paul  
Tilden 100  
  
*Cymbella cymbiformis* (Kützing) Brébisson  
Collector: Josephine E. Tilden  
United States (Wisconsin) Osceola  
Tilden 116  
  
*Gomphonema insigne* Gregory  
Collector: J. H. Cowen  
United States (Colorado) Larimer County  
Tilden 117  
  
*Achnanthes gibberula* Grunow  
Collector: Josephine E. Tilden  
United States (Wyoming) Nez Perces Creek, Yellowstone National Park  
Tilden 118  
  
*Fragilaria virescens* Ralfs var. *producta* Lagerstedt  
Collector: B. T. Shaw and Josephine E. Tilden  
United States (Minnesota) Long Lake, Hennepin County  
Tilden 119  
  
*Schizonema smithii* C. Agardh  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Washington) Port Orchard, Kitsap County  
Tilden 247  
  
*Amphora ovalis* (Brébisson) Kützing  
*Achnanthes trinodis* Ehrenberg  
*Cocconema cymbiforme* Ehrenberg  
*Cocconema ehrenbergii* Kützing  
*Cocconema lanceolata* Ehrenberg  
*Epithemia argus* Ehrenberg  
*Epithemia gibba* Ehrenberg  
*Eunotia monodon* Ehrenberg  
*Gomphonema lanceolatum* Kützing  
*Mastogloia lanceolata* Kützing  
*Melosira granulata* (Ehrenberg) Ralfs  
*Navicula bacillum* Ehrenberg  
*Navicula brébissonii* Ehrenberg  
*Navicula elliptica* Kützing  
*Navicula lata* Brébisson  
*Navicula mesolepta* Ehrenberg  
*Navicula sphaerophora* Kützing  
*Navicula viridis* (Nitzsch) Kützing  
*Nitzschia amphioxys* Ehrenberg \[as "*amphioxis*"\]  
*Stauroneis phoenicenteron (*Nitzsch) Ehrenberg  
*Surirella biseriata* (Ehrenberg) Brébisson \[as "*Suriraya*"\]  
*Surirella ovalis* Brébisson  
*Surirella striatula* Turpin  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Washington) Seattle, King County, near University  
Tilden 248  
  
*Cocconeis placentula* Ehrenberg  
*Cocconema cymbiforme* Ehrenberg  
*Cocconema gastroides* Kützing  
*Cyclotella comta* (Ehrenberg) Kützing  
*Encyonema turgidum* (Gregory) Grunow  
*Epithemia argus* Ehrenberg  
*Epithemia gibba* Ehrenberg  
*Epithemia tumida* Ehrenberg  
*Gomphonema intricatum* Kützing  
*Melosira granulata* (Ehrenberg) Ralfs  
*Navicula gastrum* Ehrenberg  
*Navicula radiosa* Kützing  
*Nitzschia spectabilis* (Ehrenberg) Ralfs  
*Synedra ulna* (Nitzsch) Ehrenberg  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Washington) Lake Washington, King County  
Tilden 249  
  
*Achnanthes microcephala* (Kützing) Grunow  
*Cocconema cymbiforme* Ehrenberg  
*Denticula palea* N.\[?\]  
*Epithemia argus* Ehrenberg  
*Epithemia gibba* Ehrenberg  
*Mastogloia lanceolata* Kützing  
*Navicula exilis* Kützing  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
Canada (Alberta) Banff, Natural Sulphur Springs  
Tilden 250  
  
*Terpsinoe intermedia* Grunow  
Collector: H. A. Green  
United States (South Carolina)  
Tilden 251  
  
*Cymbella cymbiformis* (Kützing) Brébisson  
*Cystopleura musculus* (Kützing) Kuntze  
*Denticula palea* N.\[?\]  
*Navicula appendiculata* (C. Agardh) Kützing  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Wyoming) Turquoise Lake, Middle Geyser Basin, Yellowstone National Park  
Tilden 252  
  
*Denticula palea* N.\[?\]  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Wyoming) Mammoth Hot Springs, North of Jupiter's Terrace, Yellowstone National Park  
Tilden 253  
  
*Triceratium turgidum* Ehrenberg  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
Canada (British Columbia) Baird Cove, Strait of Juan De Fuca, Vancouver Island  
Tilden 361  
  
*Licmophora gracili*s (Ehrenberg) Grunow  
*Lysigonium moniliforme* (Müller) Link  
*Odontella roperiana* (Greville) DeToni  
*Synedra affinis* Kützing  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
Canada (British Columbia) Gonzales Point, Victoria  
Tilden 362  
  
*Gaillonella nummuloides* (Dillwyn) Bory  
*Melosira nummuloides* C. Agardh  
*Rhoicosphenia curvata* (Kützing) Grunow  
*Synedra affinis* Kützing  
*Synedra affinis* Kützing vars. \[unnamed\]  
Canada (British Columbia) Baird Cove, Strait of Juan de Fuca, Vancouver Island  
Tilden 363  
  
*Cocconeis scutellum* Ehrenberg  
*Odontella roperiana* (Greville) DeToni  
*Rhabdonema crozierii* (Ehrenberg) Grunow  
*Synedra affinis* var. *fasciculata* (Kützing) Van Heurck  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
\[United States?\] (\[Washington?\])  
Tilden 364

*Grammatophora marina* (Lyngbye) Kützing  
*Hyalodiscus laevis* Ehrenberg \[as *"levis"*\]  
*Melosira sol* (Ehrenberg) Kützing  
*Rhabdonema crozierii* (Ehrenberg) Grunow  
*Schizonema smithii* C. Agardh  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Washington) San Juan Island, Minnesota Reef  
Tilden 365  
  
*Frustuluia vulgaris* (Thwaites) DeToni  
*Schizonema vulgare* Thwaites  
Collector: Miss Caroline M. Crosby; Determination: Arthur Meade Edwards  
United States (Minnesota) Minneapolis  
Tilden 366  
  
*Coscinodiscus woodwardii*  
*Cyclotella berolinensis* Ehrenberg  
*Melosira granulata* (Ehrenberg) Ralfs  
*Navicula aspera* Ehrenberg  
*Stauroneis pulchella* W. Smith  
Collector: H. B. Carey; Determination: Arthur Meade Edwards  
United States (Minnesota) Minneapolis, Mississippi River  
Tilden 367  
  
\[Diatomaceous earth\]  
Canada (British Columbia) Pedder Inlet; "North of Peddar Inlet, Strait of Juan de Fuca \[Peddar Bay\]  
Tilden 368  
  
*Epithemia westermanii* Ehrenberg \[as "*Ephithemia"*\]  
*Grammatophora oceanica* Ehrenberg \[as *"ocianica"*\]  
*Nitzschia longissima* Brébisson  
*Nitzschia majuscula* Grunow  
*Nitzschia sigma* (Kützing) W. Smith  
*Nitzschia subtilis* (Kützing) Grunow  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Hawaii) Waialua  
Tilden 441  
  
*Diadesmis bacillum* (Ehrenberg) Kützing  
*Diadesmis confervacea* Kützing  
*Diadesmis laevis* (Ehrenberg) Kützing  
*Diadesmis sculpta* (Ehrenberg) Kützing  
*Tabellaria laevis*  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Hawaii) Kaliawai Stream, Hanula, Koolahloa, Oahu  
Tilden 442  
  
*Achnanthes brevipes* C. Agardh  
*Grammatophora oceanica* Ehrenberg  
*Licmophora pennatula* v. \[?\]  
*Melosira nummuloides* Ehrenberg  
*Schizonema smithii* C. Agardh  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Hawaii) Kapaa, Kauai  
Tilden 443  
  
*Tabellaria flocculosa* (Roth) Kützing  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Hawaii) Kealia Plantation, Kauai  
Tilden 444  
  
*Navicula cryptocephala* Kützing  
*Nitzschia sigmoidea* P.A.C.N. \[?\]  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Minnesota) Fond du Lac, Dalles of the St. Louis River. "3 mi. above Fond du Lac", Duluth  
Tilden 524  
  
*Achnanthes minutissima* Kützing  
*Cocconeis placentula* Ehrenberg  
*Gomphonema angustatum* Kützing  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (\[Minnesota?\]) Cascade Park  
Tilden 525

*Achnanthes minutissima* Kützing  
*Gomphonema tenellum* Kützing  
*Navicula oblonga* Kützing  
*Navicula viridis* Kützing  
*Synedra radians* Kützing  
*Synedra subtilis* Kützing  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (\[Minnesota?\]) Lester River; "mouth of Lester River, opposite Fish Hatchery, Lake Superior"  
Tilden 526  
  
*Epithemia gibba* Kützing  
*Fragilaria virescens RalfsLysigonium varians (C. Agardh) DeToniMelosira varians C. AgardhSynedra ulna P.A.C.N. \[?\]Gomphonema acuminatum* Ehrenberg  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Minnesota) Duluth, Woodland Park  
Tilden 527  
  
*Cyclotella operculata* Kützing  
*Navicula cryptocephala* Kützing  
*Navicula viridis* Kützing  
*Synedra ulna* P.A.C.N. \[?\]  
*Tabellaria flocculosa* Kützing  
Collector: Josephine E. Tilden; Determination: Arthur Meade Edwards  
United States (Minnesota) Duluth, Lincoln Park  
Tilden 528  
  
*Melosira granulata* (Ehrenberg) Ralfs  
Collector: W. A. Kellerman  
Guatemala (Guatemala) Rio Michatoya, "one-half mile from Lake Amatitlan of which this river is the outlet"; Central America  
Tilden 625