World of Mosses website

A Graphic Guide to Ontario Mosses

by Robert Muma

 

Generic Names of Ontario Mosses
(their origin and meaning)

 
Abbreviations: (Gr)-Greek; (L)-Latin; Ref - "Refers to"
 
Scientific Name Origin & Explanation Common Name
AMBLYSTEGIUM (Gr) blunt + cover.  Ref  bluntly conic lid of peristome.  
AMBLYODON (Gr) blunt + tooth.  Ref blunt peristome teeth.  
ANDREAEA Named for J.G.R. Andreae, a German apothecary.
  rupestris (L) ropes; a rock 

ROCK MOSS
ANOMODON (Gr) irregular + tooth.  Supposed unusual construction.
  rostratus (L) beaked.  Ref lid of peristome.
  attenuatus (L) slender.  Ref branches.


RUG MOSS, APRON MOSS
ASTOMUM (Gr) without a mouth.  Lacking an operculum.  
ATRICHUM (Gr) without hairs.  The only genus of POLYTRICHACEAE without hairs on the calyptra.  
AULACOMNIUM (Gr) furrow + moss.  Mature spore cases conspicuously ribbed.  
BARBULA (L) barba: a beard.  Ref long twisted teeth.
  unguiculata (L) unguis: a claw.  Ref enlarged cells at leaf tip.
LITTLE BEARD MOSS
BARTRAMIA Named for John Bertram, noted American botanist.
  pomiformis (L) apple form.  Ref shape of capusle.

APPLE MOSS
BRACHYTHECIUM (Gr) short + case.  Ref typically short spore case.
  rivulare (L) Ref its moist habitat
 
BROTHERELLA Named for the Finnish bryologist V.F. Brotherus.  
BRYHNIA Named for the Norwegian bryologist Nils Bryhn.  
BRYOERYTHROPHYLLUM (Gr) Bryum: moss; erythros: red; phyllo: leaf. Ref the brick red colour of leaves.  
BRYUM An ancient name for moss.
  argenteum (L) silver. Ref its silvery colour.

SILVERY BRYUM
BUXBAUMIA named for its discoverer J.C. Buxbaum.
  aphylla (Gr) without a leaf.  Leaves are rarely discernible.
BUG-ON-A-STICK
CALLICLADIUM (Gr) kalli: beauty; klados: branch.
  haldanianum  Named for J.B.S. Haldane.
 
CALLIERGON (Gr) Means beautifully made.  
CAMPYLIUM (Gr) curved.  Ref shape of the capsule.
  stellatum (L) star-like.  Ref star-like spreading of leaves at branch tip.
 
CATASCOPIUM (Gr) kata: down; skopion: to see.  Ref curved capsule which "looks down". GOLF-CLUB MOSS
CERATODON (Gr) horn + tooth.  Ref split teeth of peristome said to look like the horns of a goat.  The mature furrowed spore case is also horn-like in appearance with a curved peristome suggesting the canine tooth of a carnivore.
  purpureus (L) purpura: purple.  Ref purplish colour of stem and seta, sometimes leaves. 





PURPLE MOSS
CIRRIPHYLLUM (L) cirrus: hair; phyllum: leaf.  Ref hair-pointed leaves.  
CLIMACIUM (Gr) a little ladder.  Ref aspect of inner teeth. TREE MOSS
CRATONEURON (Gr) kratos: rule or power; neuron: nerve.  Ref. the strong nerve or cesta.  
CTENDIUM (Gr) Ktenos: comb.  Branched in comb-like manner.  
CYNODONTIUM (Gr) kynos: dog + tooth.  Teeth resemble a dog’s teeth.  
DICHELYMA (Gr) dicha; in two, asunder.  Ref cleft veil of calyptra.  
DICRANELLA (Gr) diminutive DICRANUM
  heteromalla (Gr) having hair on only one side.  Ref leaves.
 
DICRANUM (Gr) flesh-hook or fork.  Ref forking of peristome teeth. 
  scoparium (L) broom.  Brush or broom-like growth of leaves.

FORK MOSS OR BROOM MOSS
DIDYMODON (Gr) didymos: double.  Ref 2 divisions of peristome teeth.  
DIPHYSCIUM (Gr) twice + a vessel.  Ref double wall of spore case.
  foliosus (L) foliosus: leafy.

GRAIN OF WHEAT MOSS
DISTICHIUM (Gr) distichon: in two rows.  Ref 2-ranked leaves.  
DITRICHUM (Gr) two + hair.  Peristome teeth split in 2 hair-like parts.  
DREPANOCLADUS (Gr) drepan: sickle; klados: branch.  Ref strongly curved leaves giving branch tips a hooked or sickle appearance.  
ENCALYPTA (Gr) veiled.  Ref calyptra. EXTINGUISHER MOSS
ENTODON (Gr) within + teeth.  Teeth of peristome within mouth of capsule.  
EMPHEMERUM (Gr) ephemeral.  Short-living plants. EMERALD DEWDROPS
EURHYNCHIUM (Gr) well + beak: well-beaked.  Ref long, often twisted beak.  
FISSIDENS (L) split tooth.  Ref forked peristome teeth.  
FONTINALIS (L) springs or fountains.  Indicating its aquatic habitat.
  antipyretica (Gr) against fever.  Believed to have magical power to allay fever.
 
FUNARIA (L) funis: a cord, because of its twisting propensity. CORD MOSS
GRIMMIA Named for J.F.C. Grimm.  
GYMNOSTOMUM (Gr) gymnos: naked; stoma: mouth.  Ref absence of teeth.  
HAPLOCLADIUM (Gr) haplos: single; klados: a branch.  Ref once-pinnate branching system as compared to bi- or tri-pinnate systems of most species of THUIDIUM.  
HEDWIGIA Named for J.G. Hedwig, distinguished German botanist.  
HELODIUM (Gr) helos: marsh or meadow.  Marshy habitats.  
HERZOGIELLA Named for the noted German bryologist Theodor Herzog.  
HOMALIA (Gr) homos: same or similar; ala: wing.  Ref flattened branches due to strongly complanate leaves.  
HOMOMALLIUM (Gr) homos: same or similar; ala: wing.  Ref leaves all pointing in same direction.  
HYGROAMBLYSTEGIUM (Gr) AMBLYSTEGIUM of aquatic habits.  
HYGROHYPNUM (Gr) a HYPNUM of aquatic habits.  
HYLOCOMIUM (Gr) hyle: wood; komikos: of comedy.  "woods inhabiting" (Crum)
  splendens (L) splendid, beautiful.


STAIR-STEP MOSS, MOUNTAIN FERN MOSS, WOOD REVELLER (Marshall)
HYPNUM (Gr) Ancient name for some sort of moss supposed to promote sleep.
  reptile (L) reptilio: crawling.
  curvifolium (L) curved leaf .
 
ISOPTERYGIUM (Gr) isos: equal; pteron: wing.  Means equal wings or sides. Ref leaves often spreading and complanate.    
LEPTOBRYUM (Gr) slender + moss.
  pyriforme (L) pear-shaped capsule.
THREAD MOSS
LEPTODICTYUM (Gr) slender + net.  Ref fine network of leaf cells.  
LESKEA Named for Prof. Gottfried Leske.  
LEUCOBRYUM (Gr) white + moss.  Ref very light green colour WHITE MOSS
LEUCODON (Gr) leuco: white; odon: tooth.  Pale or whitish peristome teeth.  
MEESIA Named for David Meese, a Dutch gardener.  
MNIUM (Gr) Ancient Greek word for moss.
  cuspidatum (L) point or apex.  Ref the leaf
  affine (L) affinis: related.  Ref resemblance to M. cuspidatum with which it is often confused
  punctatum (L) dotted.  Ref cell structure

WOODSY MNIUM


DOTTED MNIUM
MYURELLA (Gr) mys: mouse; ur: tail; ella: small.  Ref similarity to a mouse's tail.  
NECKERA (Gr) Named for J.N. Necker, a distinguished botanist.
  pennata  (L) penna: a feather.
 
ONCOPHORUS (Gr) onkos: hook or barb; phoros: bearing.  Hook-like swelling at base of capsule. GOITER MOSS
ORTHOTRICHUM (Gr) straight hair.  Mosses with straight upright haired calyptra.  
PHASCUM (Gr) an ancient name for moss.
  cuspidatum (L) pointed apex of leaf.
 
PHILONOTIS (Gr) philos: loving.  Means loving moisture.
  fontana (L) fontis: spring.

FOUNTAIN APPLE MOSS
PHYSCOMITRIUM (Gr) a fat paunch + a conical cap. TOP MOSS or URN MOSS
PLAGIOMNIUM (Gr) plagio: oblique; mnium: moss.  Ref arching sterile shoots.  
PLAGIOTHECIUM (Gr) plagio: oblique; + a little chest.  Ref obliquely inclined spore case.  
PLAGIOPUS (Gr) plagio: oblique + foot.  Oblique or curved foot.  
PLATYDICTYA (Gr) platys: broad or flat; dictyon: net.  Ref broad-meshed network formed by short leaf cells.  
PLATYGYRIUM (Gr) platys: broad; gyros: circle.  Ref broad annulus.  
PLEURIDIUM (Gr) at the side, as in some sporophytes.
  subulatum (L) subula: awl.  Leaves with long narrow tips.
 
PLEUROZIUM (Gr) pleura: side. Ref branches produced on either side of a suberect stem in loose pinnate arrangement.  
POGONATUM (Gr) beard.  Ref hairy calyptra.  
POLYTRICHUM (Gr) many hairs.  Ref hairy calyptra. HAIRCAP MOSSES
PTERYGYNANDRUM (Gr) pteron: feather, wing.  Ref lateral gynandrous inflorescences.  
POHLIA Named for J.E.H. Pohl.
  nutans (L) nodding.  Ref the capsule.
 
POTTIA Named for D.F. Pott.
  truncata (L) cut off squarely.  Ref abrupt summit of spore case which appears to have been sliced off.
 
PTILIUM (Gr) ptilion: a small feather.
  crista-castrensis (L) a crest.  Ref resemblance to a military plume or crest.
OSTRICH PLUME MOSS
PYLAISIELLA a diminutive of PYLAISIA which was named for an early French bryologist Bachelot de la Pylaie.  
RHACOMITRIUM (Gr) a shred + a veil.  Ref torn base of calyptra. TORN VEIL MOSS
RHIZOMNIUM (Gr) rhiza: root + mnium: moss.  Ref abundance of rhizoids.  
RHODOBRYUM (Gr) rhodon: rose; bryum: moss ROSE MOSS
RHYTIDIUM (Gr) rhytido: wrinkle, fold, pucker.  Ref wrinkled leaves.  
RHYTIDIADELPHUS (Gr) Ref a brotherly relationship to genus Rhytidium.
  triquetrus (L) having 3 angles.  Ref habit of branching in 3 directions.

SHAGGY MOSS, ROUGHNECK MOSS
RHYNCHOSTEGIUM (Gr) beaked + cover.  Ref beaked lid of capsule.  
SCHISTOSTEGA (Gr) schistos: easily cleft; stegos: roof. LUMINOUS MOSS, CAVE MOSS, GOBLIN GOLD
SCORPIDIUM (Gr) skorpidion: a scorpion.  Curved leaves suggest a scorpion.  
SELIGERIA (Gr) Named for Ignaz Seliger, a Silesian pastor.  
SPHAGNUM (Gr) Greek designation for an unknown plant.  
SPLACHNUM (Gr) A name originally used for a species of lichen which was suggestive of the shrunken apophysis of a Splachnum.
  rubrum (L) red.
COLLAR MOSS, PARASOL or PETTICOAT MOSS
TAXIPHYLLUM (Gr) taxis: see; phyllum: leaf.  Noticeable arrangement of leaves in two rows.  
TETRAPHIS (Gr) tetras: four.
  pellucida (L) translucent leaves.
  geniculata (L) geniculum: a little knee.  Seta bent like a knee.
FOUR-TOOTH MOSS
TETRAPLODON (Gr) fourfold + tooth.  Ref teeth numbering 16 which separate in twos to make four pairs.
  angustatus (L) narrowed.  Ref matured capsule.
 
THELIA (Gr) thele: nipple.  Ref strong mammilose leaf cells.  
THUIDIUM (Gr) thuja, an ancient name for the cedar tree which it resembles
  minutulum (L) tiny
  delicatulum (L) delicate, dainty.
  abietinum (L) abies: balsam.  Strongly resembles arrangement of balsam needles.



COMMON FERN MOSS
WIRY FERN MOSS
TIMMIA Named for Joachim Christian Timm of Machim Germany. Crum tells us that "Mount Timmia on Ellesmere Island was recently named for this genus at the suggestion of a Canadian bryologist, Guy Brissard." INDIAN BRAVE MOSS
TOMENTHYPNUM (L) Ref the tomentum characteristic of a moss which is otherwise suggestive of a HYPNUM.  A "hairy HYPNUM".    
TORTELLA (L) twisted.  Ref the peristome teeth.
  tortuosa (L) Ref the strongly crisped leaves.
 
TORTULA (L) tortus: twisted.  Ref the teeth. SCREW MOSS (England)
TREMATODON (Gr) a perforation + a tooth.
  longicollis: long + neck.
 
ULOTA (Gr) curled.  The curled leaf mosses (some species).  
WEISSIA Named for Friedrich Wilhelm Weiss.  
 

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