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Plants lab Part 1
AB nonvasculars
| Question | Answer |
|---|---|
| What phylum does a moss belong to? | Bryophyta |
| What phylum does a sphagmum belong to? | Bryophyta |
| What is the common name for phylum Marcantiophyta? | Liver wart |
| Differentiate acrocarpous moss from pleurocarpus moss. | Acrocarpus do not have branches, and the sporophyte sticks straight up. Pleurocarpus have branches and the sporophyte grows out of the axil of a branch. |
| What is the genus of night's plume? | Ptillium |
| What class and family does sphagmum belong to? | Class Sphagnopsida, Family sphagnidae |
| How can a sphagmum be identified? | By their pom pom capitulums |
| Where does the sporophyte of a sphagmum grow? | on the capitulum |
| What kind of habitat does sphagmum grow in? | Bogs and fens |
| What is peat moss? | Sphagmum |
| How can you tell apart leafy liverwarts from mosses? | Mosses have radial symmetry, their leaves have midribs, and they are multicellular. Liverwarts are bilateral, have no midrib, and are unicellular. |
| Can mosses have underleaves? | No |
| What is the botanical term for midrib? | Costa |
| What is the genus of Reindeer lichen? | Cladina |
| What are 6 common mosses of the forest floor? | Dicranum polysetum, Hylocomium splendens, Pleurozium schreberi, Polytrichum commune, Ptillium crista-castrensis, and Mnium/Plagiomnium/Rhizomnium |
| How would you recognize Ptillium crista-castrensis? | Pleurocarpus, fern-like, 3-10 cm tall |
| How can you easily recognize Hylocomium splendens? | The branches are arranges as steps, with each step equating to one year |
| Differentiate between Mnium, Plagiomnium, and rhizomnium. | Mnium- double tooth margin, toothed midrib Plagiomnium- single tooth margin, smooth midrib Rhizomnium- entire margin |