Difference between revisions of "Acaulon muticum var. rufescens"

(A. Jaeger) H. A. Crum

Bryologist 72: 240. 1969,.

Basionym: Acaulon rufescens Ber. Thätigk. St. Gallischen Naturwiss. Ges. 1868–1869: 77. 1869
Treatment appears in FNA Volume 27. Treatment on page 639. Mentioned on page 638.
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|name=Acaulon rufescens
 
|name=Acaulon rufescens
|authority=unknown
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|rank=species
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name=Acaulon muticum var. rufescens
 
name=Acaulon muticum var. rufescens
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|authority=(A. Jaeger) H. A. Crum
 
|authority=(A. Jaeger) H. A. Crum
 
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|subfamily=Pottiaceae subfam. Pottioideae
 
|subfamily=Pottiaceae subfam. Pottioideae
 
|genus=Acaulon
 
|genus=Acaulon

Latest revision as of 21:29, 5 November 2020

Plants yellow- to red-brown in nature. Spores variably low papillose-punctulose or smooth.


Phenology: Capsules mature late fall to early spring.
Habitat: Soil, gravel pit, pasture, lawn
Elevation: low to moderate elevations

Distribution

V27 944-distribution-map.gif

B.C., Ont., Que., Sask., Ariz., Calif., Fla., Ill., La., Md., Mich., Miss., Mo., Nebr., N.J., N.Y., Okla., Oreg., S.C., Tex., Wis., Mexico.

Discussion

A specimen of var. rufescens from New Jersey (Austin 51, UBC) is reddish and has small (ca. 20 µm), round, weakly papillose spores; generally, spore size is not a good character. Another specimen, with large (38–40 µm), round, punctulate spores, is piebald with adherent granules similar to the papillae of var. muticum. One specimen placed here (California, Santa Clara County, Stanford University, W. Schofield 5724, Feb. 23, 1955, UBC), is rather immature, has a greenish cast and smooth, elliptic spores about 28-30 µm.

Selected References

None.

Lower Taxa

None.
Richard H. Zander +
(A. Jaeger) H. A. Crum +
Acaulon rufescens +
B.C. +, Ont. +, Que. +, Sask. +, Ariz. +, Calif. +, Fla. +, Ill. +, La. +, Md. +, Mich. +, Miss. +, Mo. +, Nebr. +, N.J. +, N.Y. +, Okla. +, Oreg. +, S.C. +, Tex. +, Wis. +  and Mexico. +
low to moderate elevations +
Soil, gravel pit, pasture, lawn +
Capsules mature late fall to early spring. +
Acaulon muticum var. rufescens +
Acaulon muticum +
variety +