Saturday, November 19, 2011

Haplomitrium Nees


 Name: Haplomitrium Nees
Common name:  n/a
Family:  Haplomitriaceae
Collection Date
Habitat: On moist surface of small rock, near Chagrin River
Location: South Chagrin Reservation
Description: Flattened, light green mat of moss
 Collector: Janie Lawson

Key used: Conard, H.S. and P.L. Redfearn, Jr. 1979. How to Know the Mosses and Liverworts 2nd Edition, McGraw-Hill, Boston, Mass.
Keying Steps:
Introduction Key pg. 19
1b. Plant thalloid, cells isodiametric, rhizoids unicellular…Class II Hepaticae

Key to the Families/Genera of Marchantiophyta
4b. Plant thalloid or leafy with more than one chloroplast per cell…5
5a. Plant slightly flattened with distinct stem and leaf…8
8b. Plant having archegonia at end of thallus, without developing into sporophyte…9
9b. Rhizoids absent…10
10b. Leaves unlobes…Calobryales

Key to Family Calobryales

Haplomitriaceae constitutes the sole family of the Haplomitriales (= Calobryales), with Haplomitrium Nees representing the sole extant genus of the family.


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