Drexel University, Academy of Natural Sciences (PH)

Contact: Rick McCourt (rmm45@drexel.edu)
Collection Type: Preserved Specimens
Management: Data snapshot of local collection database
Last Update: 12 May 2017
Digital Metadata: EML File
Collection Statistics
  • 38,405 occurrence
  • 6,134 (16%) georeferenced
  • 35,991 (94%) with images
  • 30,881 (80%) identified to species
  • 250 families
  • 801 genera
  • 2,881 species
  • 2,916 total taxa (including subsp. and var.)
Extra Statistics
Family Distribution
Click on the occurrence record counts within the parenthesis to return the records for that family
  • Achnanthaceae (2)
  • Acinetosporaceae (22)
  • Acrochaetiaceae (173)
  • Acrosymphytaceae (1)
  • Acrotylaceae (6)
  • Adenocystaceae (2)
  • Ahnfeltiaceae (40)
  • Alariaceae (23)
  • Ammatoideaceae (9)
  • Amphipleuraceae (1)
  • Anadyomenaceae (25)
  • Aphanochaetaceae (4)
  • Areschougiaceae (32)
  • Arthrocladiaceae (8)
  • Bacillariaceae (12)
  • Balliaceae (8)
  • Bangiaceae (146)
  • Batrachospermaceae (514)
  • Biddulphiaceae (1)
  • Bolbocoleaceae (2)
  • Boldiaceae (1)
  • Bonnemaisoniaceae (38)
  • Boodleaceae (21)
  • Borziaceae (1)
  • Botrydiaceae (7)
  • Botrydiopsidaceae (2)
  • Botryococcaceae (5)
  • Bracteacoccaceae (1)
  • Bryopsidaceae (87)
  • Callithamniaceae (229)
  • Caulacanthaceae (24)
  • Caulerpaceae (245)
  • Ceramiaceae (646)
  • Ceratiaceae (4)
  • Chaetangiaceae (1)
  • Chaetopeltidaceae (5)
  • Chaetophoraceae (1259)
  • Champiaceae (121)
  • Characeae (1641)
  • Characiaceae (9)
  • Characiopsidaceae (6)
  • Chlamydomonadaceae (47)
  • Chlorellaceae (43)
  • Chlorochytriaceae (3)
  • Chlorococcaceae (9)
  • Chlorodendraceae (1)
  • Chlorosarcinaceae (1)
  • Chordaceae (50)
  • Chordariaceae (355)
  • Chromulinaceae (2)
  • Chroococcaceae (51)
  • Cladophoraceae (1865)
  • Cladostephaceae (38)
  • Cloniophoraceae (5)
  • Closteriaceae (153)
  • Coccomyxaceae (44)
  • Cocconeidaceae (1)
  • Codiaceae (62)
  • Colaconemataceae (4)
  • Coleochaetaceae (11)
  • Compsopogonaceae (339)
  • Corallinaceae (180)
  • Coscinodiscaceae (1)
  • Costariaceae (22)
  • Cruoriaceae (3)
  • Ctenocladaceae (1)
  • Cutleriaceae (8)
  • Cyanidiaceae (4)
  • Cyanobacteriaceae (125)
  • Cylindrocapsaceae (6)
  • Cymbellaceae (2)
  • Cystocloniaceae (277)
  • Dasyaceae (207)
  • Dasycladaceae (42)
  • Delesseriaceae (375)
  • Derbesiaceae (7)
  • Dermocarpellaceae (5)
  • Desmarestiaceae (82)
  • Desmidiaceae (187)
  • Dichotomosiphonaceae (44)
  • Dicranemataceae (2)
  • Dictyosphaeriaceae (1)
  • Dictyotaceae (505)
  • Dinotrichaceae (2)
  • Dumontiaceae (40)
  • Dunaliellaceae (3)
  • Durvillaeaceae (5)
  • Ectocarpaceae (329)
  • Endocladiaceae (22)
  • Entophysalidaceae (406)
  • Erythrotrichiaceae (14)
  • Euglenaceae (15)
  • Eukaryota (88)
  • Eustigmataceae (1)
  • Faucheaceae (1)
  • Fischerellaceae (21)
  • Florideophyceae (2)
  • Fragilariaceae (7)
  • Fryeellaceae (2)
  • Fucaceae (482)
  • Furcellariaceae (18)
  • Galaxauraceae (45)
  • Gelidiaceae (196)
  • Gelidiellaceae (26)
  • Gigartinaceae (212)
  • Glenodiniaceae (1)
  • Gloeotilaceae (1)
  • Gloiosiphoniaceae (8)
  • Gomontiaceae (96)
  • Gomphonemataceae (2)
  • Gomphosphaeriaceae (32)
  • Gonatozygaceae (3)
  • Goniaceae (3)
  • Goniotrichaceae (10)
  • Gracilariaceae (341)
  • Halimedaceae (159)
  • Halymeniaceae (179)
  • Halymeniales Incertae Sedis (2)
  • Hapalidiaceae (54)
  • Hapalosiphonaceae (77)
  • Heterochordariaceae (1)
  • Hildenbrandiaceae (19)
  • Himanthaliaceae (6)
  • Hormosiraceae (3)
  • Hydrococcaceae (12)
  • Hydrodictyaceae (223)
  • Hydruraceae (7)
  • Hyellaceae (1)
  • Hymenocladiaceae (6)
  • Ishigeaceae (1)
  • Kallymeniaceae (71)
  • Klebsormidiaceae (175)
  • Kornmanniaceae (14)
  • Laminariaceae (133)
  • Laspinemaceae (1)
  • Lemaneaceae (1009)
  • Lessoniaceae (27)
  • Liagoraceae (110)
  • Lomentariaceae (65)
  • Mallomonadaceae (3)
  • Meiodiscaceae (3)
  • Melosiraceae (18)
  • Merismopediaceae (19)
  • Mesotaeniaceae (31)
  • Microchaetaceae (23)
  • Microcystaceae (342)
  • Microsporaceae (81)
  • Microthamniaceae (7)
  • Mychodeaceae (3)
  • Naccariaceae (1)
  • Naviculaceae (8)
  • Nemastomataceae (8)
  • Nizymeniaceae (1)
  • Nostocaceae (1193)
  • Nostochopsidaceae (39)
  • Notheiaceae (1)
  • Oedogoniaceae (950)
  • Oocystaceae (20)
  • Ophiocytiaceae (1)
  • Oscillatoriaceae (1903)
  • Palmariaceae (66)
  • Palmellaceae (13)
  • Palmellopsidaceae (15)
  • Paraphysomonadaceae (1)
  • Peniaceae (6)
  • Peridiniaceae (4)
  • Peyssonneliaceae (25)
  • Phacelocarpaceae (8)
  • Phaeosaccionaceae (4)
  • Phormidiaceae (4004)
  • Phragmonemataceae (1)
  • Phyllariaceae (10)
  • Phyllophoraceae (143)
  • Phyllosiphonaceae (1)
  • Pinnulariaceae (1)
  • Pithophoraceae (118)
  • Pleurastraceae (1)
  • Pleurochloridaceae (5)
  • Plocamiaceae (99)
  • Polyidaceae (24)
  • Polyphysaceae (32)
  • Porphyridiaceae (33)
  • Prasiolaceae (80)
  • Protosiphonaceae (13)
  • Pseudanabaenaceae (15)
  • Pseudocharaciopsidaceae (2)
  • Pterocladiaceae (17)
  • Radiococcaceae (15)
  • Ralfsiaceae (17)
  • Rhabdoniaceae (1)
  • Rhipiliaceae (1)
  • Rhizophyllidaceae (14)
  • Rhodomelaceae (2109)
  • Rhodothamniellaceae (1)
  • Rhodymeniaceae (83)
  • Rhoicospheniaceae (1)
  • Rhopalodiaceae (2)
  • Rissoellaceae (3)
  • Rivulariaceae (875)
  • Sarcodiaceae (9)
  • Sarcomeniaceae (3)
  • Sargassaceae (462)
  • Scenedesmaceae (27)
  • Schizomeridaceae (93)
  • Schizotrichaceae (3716)
  • Schizymeniaceae (11)
  • Scinaiaceae (21)
  • Scytonemataceae (571)
  • Scytosiphonaceae (99)
  • Scytothamnaceae (3)
  • Seirococcaceae (10)
  • Selenastraceae (32)
  • Siphonocladaceae (18)
  • Solieriaceae (195)
  • Sphacelariaceae (50)
  • Sphaerococcaceae (48)
  • Sphaerocystidaceae (5)
  • Sphaeropleaceae (8)
  • Spirulinaceae (69)
  • Splachnidiaceae (3)
  • Spondylomoraceae (2)
  • Sporochnaceae (22)
  • Spyridiaceae (110)
  • Stichosiphonaceae (8)
  • Stigonemataceae (135)
  • Stylococcaceae (1)
  • Stylonemataceae (11)
  • Stypocaulaceae (7)
  • Surirellaceae (3)
  • Symphyonemataceae (18)
  • Synechococcaceae (4)
  • Tabellariaceae (1)
  • Tetrasporaceae (166)
  • Thalassiosiraceae (1)
  • Thoreaceae (15)
  • Tilopteridaceae (2)
  • Trebouxiaceae (1)
  • Trentepohliaceae (94)
  • Tribonemataceae (95)
  • Udoteaceae (119)
  • Ulotrichaceae (187)
  • Ulvaceae (1368)
  • Ulvellaceae (4)
  • Valoniaceae (20)
  • Vaucheriaceae (589)
  • Volvocaceae (15)
  • Wrangeliaceae (252)
  • Xenococcaceae (2)
  • Xiphophoraceae (3)
  • Zygnemataceae (971)