outdoor practicals Flashcards
what are the two life forms of mosses?
acrocarpous and pleurocarpous (several capsules on each stem)
what causes ash dieback disease?
Hymenoscyphus fraxineus
how does Microbotryum violaceum as a parasite?
hijacks silene dioicas reproductive system
ergot (clavicles purpurea)
parasitic fungi which attacks grasses like Arrhenatherum and Dactylis glomerata
Arrhenatherum Elativs
a common grass and an indicator of disturbance
Rhytidiadelphus squarosus
nuisance to gardeners and golf courses
epiphytic mosses and some examples.
An epiphytic moss is any moss that grows on another plant but not as a parasite.
- Orthotricum affine
- Cryphaea heteromalla
gemmae
asexual propagules
Thalose liverworts (complex)
- Conocephalum conicum
- Marchantia polymorpha
Thalose liverworts (simple)
Pellia endiviifolia
what are the two types of fungi mentioned?
basidiomycetes - mushrooms, rusts,smuts
ascomycetes - neurospora, yeast, sac fungi
three types of wood rotters
- Ganoderma applanatum (artists fungi)
- Trametes versicolor
- Bjerkandera adusta (grey underside)
what is the ectomycorrhizal partner with magus sylvatica (beech)?
Paxilus involutus
what is a typical acid hillside plant relationship?
The grass Deschampsia flexuosa and the moss Plagiothecium undulatum are typical in this
community
what indicator species of andesite are present in Blackford hill?
- Brachypodium sylvaticum
- Clinopodium vulgare
- Circaea luthetiana
- Porella platyphylla
what is an indicator of base rich soil?
Viburnum opulus
what is alternation of generations?
there is a haploid (gametophyte) stage and a diploid (sporophyte) stage.
what fern is found a by a stream?
lady fern (Athyrium filix-femina)
what is apomixis?
bypasses the need for sexual reproduction - basically is asexual reproduction.
latin name for brambles
rubs fruticosus
ranunculus repens
-habitat
-shape of leaf
-photosynthetic tissue
-gas exchange
-surface to volume ratio
- terrestrial
-bladelike
-mesophyll between the upper and lower epidermis
-through stomata
-low SA:V
ranunculus aquitilis
-habitat
-shape of leaf
-photosynthetic tissue
-gas exchange
-surface to volume ratio
-submerged in fast flowing streams
-thread like leaves and flexible
- mesophyll all the way round the vein in submerged leaves
-leaves lack stomata and cuticle. gas exchange takes place through epidermis.
-increased SA:V
what were the first land plants?
bryophytes
poisonous plant examples
Solanum dulcamara (poisonous red berries) and Laburnum anagyroides (a tree)
