Ephemerum crassinervium var. crassinervium

Synonyms: Ephemerum crassinervium var. papillosum
Treatment appears in FNA Volume 27. Treatment on page 652. Mentioned on page 653.

Plants less than 2.5 mm. Leaves broadly linear to lanceolate, 0.8–2.5 × 0.15–0.4 mm; margins serrulate to strongly serrate distal to the proximal third; apex slenderly acuminate, papillose; costa not always apparent at the base, often filling the acumen, percurrent; areolation compact distally; median laminal cells smooth or slightly papillose; distal laminal cells somewhat papillose. Capsule with very few stomates, mostly near the base. Spores spherical or reniform, 43–107 × 35–75 µm, orange-brown.

Phenology: Capsules mature year around.
Habitat: Moist or drying disturbed soil
Elevation: low to moderate elevations (0-1000 m)


V27 962-distribution-map.gif

Ont., Que., Sask., Conn., Del., D.C., Fla., Ga., Ill., Ind., Iowa, Kans., Ky., La., Md., Mich., Minn., Miss., Mo., Nebr., N.H., N.J., N.Y., N.C., Ohio, Oreg., Pa., Tenn., Tex., Va., W.Va., Wis., Europe (Germany), e Asia (Japan), Pacific Islands (New Zealand).


Selected References


Lower Taxa

Virginia S. Bryan +
(Schwägrichen) Hampe +
Phascum crassinervium +
Ont. +, Que. +, Sask. +, Conn. +, Del. +, D.C. +, Fla. +, Ga. +, Ill. +, Ind. +, Iowa +, Kans. +, Ky. +, La. +, Md. +, Mich. +, Minn. +, Miss. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Y. +, N.C. +, Ohio +, Oreg. +, Pa. +, Tenn. +, Tex. +, Va. +, W.Va. +, Wis. +, Europe (Germany) +, e Asia (Japan) +  and Pacific Islands (New Zealand). +
low to moderate elevations (0-1000 m) +
Moist or drying disturbed soil +
Capsules mature year around. +
Ephemerum crassinervium var. papillosum +
Ephemerum crassinervium var. crassinervium +
Ephemerum crassinervium +
variety +