Wednesday, October 12, 2011

Specimen #2 Hornwort

Figure 1. Phaeoceros growing on rock wall.

Figure 2. Phaeoceros  with mature sporophyte.
Name: Phaeoceros
Family: Notothyladaceae
Collection Date: Sept. , 2011
Habitat: Terrestrial; growing on rocks and soil; damp areas
Location: South Chagrin Reservation, Ohio
Description: Lobed, thalloid, slick/slimy, dark green appearance with hornlike sporophytes growing directly from the thallus.
Collector: Jennifer Friedler

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. Plants thalloid...4
4a. Thalloid with one chloroplast per cell...pg 230 Anthocerotae

Key to Family Anthocerotae pg. 230
1a. capsule erect, 1-3cm long, becoming black after splitting...2
2? spores yellow...Phaeoceros

"Thallus dark green, .5-3cm in diameter, deeply lobed, on moist soil and rocks, widespread in North America" (Conrad 231). 

Phaeoceros Links:

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