Figure 1: Polygonal areas of liverwort
Name: Conocephalum conicum
Family: Marchantiaceae
Collection Date: September 13, 2011
Habitat: Found on rock wall near river (not submerged).
Location: South Chargrin Reservation
Description: Common green liverwort. Air pores found within polygonal areas which are visible to the naked eye.
Collector: Jamie Frost
Key used: Conard, H.S, 1956. How to Know the Mosses and Liverworts Revised Edition, WM. C. Brown Company Publishers, Dubuque, Iowa.
Collector: Jamie Frost
Key used: Conard, H.S, 1956. How to Know the Mosses and Liverworts Revised Edition, WM. C. Brown Company Publishers, Dubuque, Iowa.
Key to Liverworts of North America pg. 156
1a. Plants growing flat, scale-like or ribbon-like, usually fork-branched, without distinction of stem and leaf, green... 2
2. Plant opaque, often showing airpores and polygonal markings.... 8
8a. Air pores visible without a lens, each in a polygonal area. Family Marchantiaceae.... 9
9b. Without gemmae, and without marginal scales on under side of thallus.... 11
11a. Air pore on a low mound of colorless cells.... Genus Conocephalum
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