 |
| Fig. 1 Peristome teeth of Platygyrium moss. |
 | |
| Fig. 2 Close up of branch of Platygyrium moss. |
Name: Platygyrium repens
Family: Hypnaceae
Family: Hypnaceae
Collection Date: Oct. 8, 2011
Habitat: decaying log
Location: Hiram College Field Station woods, Ohio
Description: light green, pale tipped, branched, creeping, with sporophytes erect, lateral
Collector: Jennifer Friedler
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
1a. has stem and leaves; erect, ascending, prostrate, or hanging...2
2b. No hayline cells...3
3b. Green...pg. 28. Order Bryidae
Key to Families/Genera Bryidae pg. 28
1b. Green, one layer of cells...3
3b. Leaves in three or more rows...7
7b. No isodiometeric cells...8
8b. Leaves well developed and persistent...9
9b. Has a seta...10
10b. Distinct stem; has operculum...17
17b. Large plant...20
20b. No lamellae...28
28b. Not growing on rich organic soil, bones, or other organic matter...33
33b. Branched stems...139
139b. Leaves smooth...174
174b. Paraphyllia or multicellular propagula few, not usually seen...182
182b. Costa single short or absent...183
183b. Costa lacking...184
184b. Costa lacking...230
230b. Terrestrial...231
231b. Median leaf cells long 5-20:1...239
239a. One inflated cell and many quadrate cells (alar)...pg. 209 Platygyrium
Platygyrium repens
“Plants in flat, dark,- yellowish,- golden,- or brownish-green, glossy mats, branches ascending, usully bearing clusters of minute gemmae, capsules erect and symetric, on logs, stumps, tree trunks, rocks, British Columbia to New Brunswick and throughout eastern North America” (Conrad 209).
Links:
No comments:
Post a Comment