Anabaena aeruginosa N.L.Gardner, 1927 (original description)
Anabaena delicatissima N.L.Gardner, 1927 (original description)
Anabaena epiphytica N.L.Gardner, 1927 (original description)
Anabaena mediocris N.L.Gardner, 1927 (original description)
Anabaena willei N.L.Gardner, 1927 (original description)
Anacystis amplivesiculata N.L.Gardner, 1927 (original description)
Anacystis anomala N.L.Gardner, 1927 (original description)
Anacystis compacta N.L.Gardner, 1927 (original description)
Anacystis consociata N.L.Gardner, 1927 (original description)
Anacystis distans N.L.Gardner, 1927 (original description)
Anacystis gloeocapsoides Gardner, 1927 (original description)
Anacystis irregularis N.L.Gardner, 1927 (original description)
Anacystis microsphaeria N.L.Gardner, 1927 (original description)
Anacystis minutissima N.L.Gardner, 1927 (original description)
Anacystis nigropurpurea N.L.Gardner, 1927 (original description)
Anacystis nigroviolacea N.L.Gardner, 1927 (original description)
Anacystis radiata N.L.Gardner, 1927 (original description)
Anacystis radiata var. major N.L.Gardner, 1927 (original description)
Anacystis willei N.L.Gardner, 1927 (original description)
Aphanocapsa intertexta N.L.Gardner, 1927 (original description)
Aphanocapsa richteriana var. major N.L.Gardner, 1927 (original description)
Aphanothece baccilloidea Gardner, 1927 (original description)
Aphanothece bacilloidea N.L.Gardner, 1927 (original description)
Aphanothece conferta var. brevis N.L.Gardner, 1927 (original description)
Aphanothece opalescens N.L.Gardner, 1927 (original description)
Calothrix braunii var. contorta N.L.Gardner, 1927 (original description)
Calothrix braunii var. mollis N.L.Gardner, 1927 (original description)
Calothrix conica N.L.Gardner, 1927 (original description)
Calothrix evanescens N.L.Gardner, 1927 (original description)
Calothrix linearis N.L.Gardner, 1927 (original description)
Calothrix parietina var. torulosa N.L.Gardner, 1927 (original description)
Calothrix simplex N.L.Gardner, 1927 (original description)
Calothrix simulans N.L.Gardner, 1927 (original description)
Calothrix tenella N.L.Gardner, 1927 (original description)
Chamaesiphon portoricensis N.L.Gardner, 1927 (original description)
Chroococcus aeruginosus N.L.Gardner, 1927 (original description)
Chroococcus constrictus N.L.Gardner, 1927 (original description)
Chroococcus cubicus N.L.Gardner, 1927 (original description)
Chroococcus heanogloios N.L.Gardner, 1927 (original description)
Chroococcus mediocris N.L.Gardner, 1927 (original description)
Chroococcus minutissimus N.L.Gardner, 1927 (original description)
Chroococcus muralis N.L.Gardner, 1927 (original description)
Chroococcus subsphaericus N.L.Gardner, 1927 (original description)
Chroococcus turgidus var. uniformis N.L.Gardner, 1927 (original description)
Chroothece willei N.L.Gardner, 1927 (original description)
Dactylococcopsis arcuata N.L.Gardner, 1927 (original description)
Dichothrix willei N.L.Gardner, 1927 (original description)
Entophysalis chlorophora N.L.Gardner, 1927 (original description)
Gloeocapsa acervata N.L.Gardner, 1927 (original description)
Gloeocapsa calcicola N.L.Gardner, 1927 (original description)
Gloeocapsa cartilaginea N.L.Gardner, 1927 (original description)
Gloeocapsa cartilaginea var. minor N.L.Gardner, 1927 (original description)
Gloeocapsa livida var. minor N.L.Gardner, 1927 (original description)
Gloeocapsa ovalis N.L.Gardner, 1927 (original description)
Gloeocapsa quaternata var. major N.L.Gardner, 1927 (original description)
Gloeocapsa sphaerica N.L.Gardner, 1927 (original description)
Gloeothece endochromatica N.L.Gardner, 1927 (original description)
Gloeothece interspersa N.L.Gardner, 1927 (original description)
Gloeothece opalothecata N.L.Gardner, 1927 (original description)
Gloeothece parvula N.L.Gardner, 1927 (original description)
Gloeothece prototypa N.L.Gardner, 1927 (original description)
Hapalosiphon subgelatinosus N.L.Gardner, 1927 (original description)
Hapalosiphon tenuis N.L.Gardner, 1927 (original description)
Hassallia brevis N.L.Gardner, 1927 (original description)
Hassallia discoidea N.L.Gardner, 1927 (original description)
Hassallia granulata N.L.Gardner, 1927 (original description)
Hassallia heterogena N.L.Gardner, 1927 (original description)
Hypheothrix acutissima N.L.Gardner, 1927 (original description)
Hypheothrix longiarticulata N.L.Gardner, 1927 (original description)
Lyngbya martensiana var. minor N.L.Gardner, 1927 (original description)
Lyngbya ocreata N.L.Gardner, 1927 (original description)
Lyngbya scytonematoides N.L.Gardner, 1927 (original description)
Lyngbya splendens N.L.Gardner, 1927 (original description)
Lyngbyopsis N.L.Gardner, 1927 (original description)
Lyngbyopsis willei N.L.Gardner, 1927 (original description)
Microchaete tenera var. tenuior N.L.Gardner, 1927 (original description)
Microcoleus amplus N.L.Gardner, 1927 (original description)
Microcoleus paludosus var. acuminatus N.L.Gardner, 1927 (original description)
Microcoleus purpureus N.L.Gardner, 1927 (original description)
Nodularia epiphytica N.L.Gardner, 1927 (original description)
Nodularia willei N.L.Gardner, 1927 (original description)
Nostoc album N.L.Gardner, 1927 (original description)
Nostoc brittoni N.L.Gardner, 1927 (original description)
Nostoc ellipsoideum N.L.Gardner, 1927 (original description)
Nostoc membranaceum N.L.Gardner, 1927 (original description)
Nostoc simulans N.L.Gardner, 1927 (original description)
Nostoc sphaerosporum N.L.Gardner, 1927 (original description)
Nostoc willei N.L.Gardner, 1927 (original description)
Oscillatoria obtusa N.L.Gardner, 1927 (original description)
Oscillatoria refringens N.L.Gardner, 1927 (original description)
Phormidium calcicola N.L.Gardner, 1927 (original description)
Phormidium durum N.L.Gardner, 1927 (original description)
Phormidium interruptum var. capitatum N.L.Gardner, 1927 (original description)
Phormidium interruptum var. rigidum N.L.Gardner, 1927 (original description)
Phormidium leptodermum var. capitatum N.L.Gardner, 1927 (original description)
Phormidium rubriterricola N.L.Gardner, 1927 (original description)
Placoma willei N.L.Gardner, 1927 (original description)
Plectonema spirale N.L.Gardner, 1927 (original description)
Porphyrosiphon robustus N.L.Gardner, 1927 (original description)
Radaisia willei N.L.Gardner, 1927 (original description)