Specimen 4

Name: Conocephalum conicum
Family: Conocephalaceae
Collection Date: September 13, 2011

Habitat: Was growing on a very moist rock

Location:South Chagrin Reservation

Description: Shiny dark vibrant green, growing profusely on rock surface.

Collector: Ken Belter

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: Some of the key steps here have been abbreviated or only highlight certain aspects of the description. Some of the shorter ones like plants not as above will appear as in the book.

Start of Key page 19

     1b. Plants thalloid...4

     4b. Plants thalloid or leafy, with more than one chloroplast per cell...5

     5a.Plants strongly flattened, thalloid, with-out distinction between stem and leaf...6

     6a. Plants with opaque thallus that is divided into epidermis...pg 239 Order Marchantiales

Page 239

     1a. Air pores visible without lens, each in  polygonal area...8

     8b. Thalli without gemmae...10

     10a. Air pore on a low mound of colorless cells...p.283 Conocephalum

Page 283

     Conocephalum conicum

 From Conrard and Redfearn "Thalli pale to dark green above, purplish below, 1-2 cm wide, up to 20 cm long, dichotomously branching , upper surface with distinct polygonal areas, pores distinct, on moist rocks and soil, widespread in North America" (1979)
Links
http://plants.usda.gov/java/nameSearch
http://www.andrewspink.nl/mosses/thumbnails.htm
http://www.life.illinois.edu/moss-guide/toc.html