Asplenium trichomanes subsp. trichomanes

Linnaeus
Synonyms: Asplenium melanocaulon
Treatment appears in FNA Volume 2.

Spores (as measured in Hoyers Solution) 27–32 µm. 2n = 72.


Habitat: Acidic rocks such as sandstone, basalt, and granite, very rarely on calcareous rocks
Elevation: 0–3000 m

Distribution

V2 275-distribution-map.gif

B.C., N.B., Nfld. and Labr. (Nfld.), N.S., Ont., Que., Ala., Alaska, Ariz., Ark., Calif., Colo., Conn., Del., Ga., Ill., Ind., Kans., Ky., La., Maine, Md., Mass., Mich., Minn., Mo., Nebr., N.H., N.J., N.Mex., N.Y., N.C., Ohio, Okla., Oreg., Pa., R.I., S.C., S.Dak., Tenn., Tex., Vt., Va., Wash., W.Va., Wis., Wyo., Mexico in Chihuahua, Europe, Asia, Africa, Australia

Discussion

In southern Illinois Asplenium trichomanes subsp. trichomanes hybridizes with A. rhizophyllum to produce A. × shawneense (R. C. Moran) H. E. Ballard (R. C. Moran 1981).

Selected References

None.

Lower Taxa

None.
not rooting +
Obtuse (?) +  and Acute (?) +
Warren H. Wagner Jr. +, Robbin C. Moran +  and Charles R. Werth +
Linnaeus +
cuneate +  and tapered +
simple +  and 4-pinnate +
3 cm30 mm <br />0.03 m <br /> (22 cm220 mm <br />0.22 m <br />) +
pubescent +  and glabrous +
thin;0.5cm;1.5cm +
B.C. +, N.B. +, Nfld. and Labr. (Nfld.) +, N.S. +, Ont. +, Que. +, Ala. +, Alaska +, Ariz. +, Ark. +, Calif. +, Colo. +, Conn. +, Del. +, Ga. +, Ill. +, Ind. +, Kans. +, Ky. +, La. +, Maine +, Md. +, Mass. +, Mich. +, Minn. +, Mo. +, Nebr. +, N.H. +, N.J. +, N.Mex. +, N.Y. +, N.C. +, Ohio +, Okla. +, Oreg. +, Pa. +, R.I. +, S.C. +, S.Dak. +, Tenn. +, Tex. +, Vt. +, Va. +, Wash. +, W.Va. +, Wis. +, Wyo. +, Mexico in Chihuahua +, Europe +, Asia +, Africa +  and Australia +
0–3000 m +
Acidic rocks such as sandstone, basalt, and granite, very rarely on calcareous rocks +
of black , linear;lanceolate or filiform scales +
monomorphic +
fertile +  and than sterile ones +
entire +  and serrate +
crenate +, entire +  and denticulate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
perforate +, reticulate +, spiny +  and winged +
not articulate +
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
blackish brown +  and reddish-brown +
1/6 length of blade;1/4 length of blade +
c--shaped +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
reddish-brown +
nearly +  and glabrous +
not proliferous +
black +  and with brown borders +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
filiform +, linear-lanceolate +  and lanceolate +
0.2mm;0.5mm +
acroscopic +  and basiscopic +
less lunate;linear +
Illustrated +
dorsiventral +  and symmetric +
Asplenium melanocaulon +
Asplenium trichomanes subsp. trichomanes +
Asplenium trichomanes +
subspecies +
anastomosing +