Classification for Botany 358
Kingdom Protista (for fungi: motile cells or amoeboid cells present; hyphae absent
Phylum Dictyosteliomycota: cellular slime molds; pseudoplasmodium present
Phylum Myxomycota: plasmodium present; cell wall absent
Ceratiomycetidae: spores borne externally on sporangium
Stemonitomycetidae: ; aphanoplasmodium; hypothallus development below the plasmodium
Stemonitales: spores dark colored; lime not present in capillitium or peridium
Myxogastromycetidae: protoplasmodium or phaneroplasmodium, rarely if ever an aphanoplasmodium
Liceales: protoplasmodium; pseudocapillitium usually present; capillitium absent or present; spores pallid
Trichales: phaneroplasmodium; capillitium present; pseudocapillitium absent; spores pallid or bright colored; columella absent
Physarales: phaneroplasmodium; capillitium present; pseudocapillitium absent; spores dark colored or dark rusty orange; lime present either on the capillitium or on the peridium
Phylum Plasmodiophoromycota: chitin and cellulose present in cell walls; endoplasmodium present; obligate parasites of plants; biflagellate, lateral, both whiplash
Kingdom Stramenopila: apically or laterally flagellated with at least one tinsel; DAP lysine synthesis; coenocytic; typically diploid
Phylum Oomycota: Chitin and Cellulose; biflagellate; Oogamy and Oospores
Saprolegniales: sporangia same shape and size as hyphae; hyphae not constricted; oospore within oogonium; diplanetic zoospores+
Peronosporales: sporangia either different shape than hyphae or sporangia produce a vesicle
Peronosopraceae: sporangia on sporangiophores of determinate growth; obligate parasites of plants
Pythiaceae: sporangia produce on hyphae or on sporangiophores, indeterminate growth; facultattive parasites or saprobes.
Albuginaceae: conidiosporangia in chains; obligate parasites of plants
Leptomitales: cellulin plugs; hyphae constricted, eucarpic; oospore sits on top of oogonium
Lagenidiales: obligate parasites of algae, fungi, nematodes, or rotifers
Phylum Hyphochytridiomycota: Cellulose; single anterior whiplash flagellum
Phylum Labyrinthulomycota: biflagellate zoospores (long tinsel forward, short whiplash backwards); ectoplasmic network of branched, anastomosing, wall-less filaments produced by cells with specialized cell surface organelle, known as a bothrosome or sagenogen;
Kingdom Fungi
Phylum Chytridiomycota: Chitin+; single posterior whiplash flagellum
Chyrtridiales: non-mycelial; single celled; isogamy or ansiogamy
Blastocladiales: mycelial; isogamy or anisogamy; sporic meiosis
Monoblepharales: mycelial; oospores; oogamy; assumed zygotic meiosis
Phylum Zygomycota: Chitin, aplanospores, coenocytic hyphae, zygosporangia
Zygomycetes
Endogonales and Glomales: sporocarps present; hypogeous; endomycorrhizal formers
Dimargaritales: 2-spored merosporangia, mycoparasites, regularly septate hyphae
Kickxellales: 1-spored merosporangia; sporocladia
Entomophthorales: obligate parasites of insects; forceful discharge of conidio-sporangium
Zoopagales: obligate parasites of amoebae or nematodes
Mucorales: weak parasites of plants and animals; strong parasites of other zygomycetes; sporangia; multi-spored merosporangia
Pilobolaceae: only family with forceful discharge of sporangia, columella +; tong-like suspensors +
Mucoraceae: columella + or -; sporangia irregularly split; sporangiola absent; merosporangia absent.
Thamnidiaceae: columella +; sporangiola present on same sporangiophore as sporangia
Choanephoraceae: columella +; sporangia splits in half; spores with hair-like spinules; sporangiola never present on same sporangiophore; tong-like suspensors +.
Piptocehalidaceae: obligate parasites of Mucorales; merosporangia +
Syncehalastraceae: saprobic; merosporangia +
Cunninghamellaceae: conidia +; sporangia -
Trichomycetes
Lecture, examinations, schedule, chytrids, zygomycota, oomycota, slime molds, molds