Botanical field excursions

JUNE, 26, 2014

Excursion N 1. North shore of the Gulf of Finland within administrative borders of the City of St. Petersburg

Olgino – Sestroretsk (north part near the gulf shore) – Komarovo (lunch) – Sestroretsk mire – gas line glade near Beloostrov

Departure on 9. a.m. fr om the Komarov Botanical Institute (main gate). Return by 7 p.m.

We will visit different parts of the shore of the Gulf of Finland (reed thickets, open sand dunes, maritime wetland), pine and spruce forests, peat bog.

Stop 1. Olgino. Gulf shore with reed and sedge thickets and the complex of maritime species. Rare species — Senecio paludosus, Alisma juzepezukii.

Stop 2. Sestroretsk. Maritime wetland with Myrica gale, Viola uliginosa, Chamaepericlymenum suecicum.

Stop 3. Komarovo. Natiral monument “Komarovo shore” – spruce and pine forests, open sand shore of the Gulf of Finland.  Visit to the educational nature trail. Forest species: Dryopteris — various species, Vaccinium myrtillus and V. vitis-idaea, Calluna vulgaris, Pyrola minor and P. rotundifolia, Chimaphila umbellata, Avenella flexuosa, Azarum europaeum, Dentaria bulbifera, Lonicera nigra (naturalized alien), etc.
Maritime species: Leymus arenarius, Festuca arenaria, Carex arenaria, Cakile baltica, Honckenya peploides, Lathyrus maritimus, etc.

Stop 4. Sestroretsk mire. On the way to the maire  — pine forest. Species of the peat bog: Trichophorum alpinum, T. cespitosum, Eriophorum vaginatum, Betula nana, Andromeda polifolia, Oxycoccus palustris, etc.

Stop 5. East to Beloostrov - open localities of the gas line glade with Lycopodiella inundata.

Excursion N 2. To Izhora Hills (to “Dontso” natural monument).

Vyra – Kyurlevo quarry near Dontso village (lunch) – Pyataya Gora village – Tyaglinskoe lake.

Departure on 9. a.m. from the Komarov Botanical Institute (main gate). Return by 7-8 p.m.

The route passes through a very interesting for botanists part of  Izhora Hills, wh ere you can see a large number of calciphilic species, plants of spruce forests on limestone, spring fens and karst lake. Cultural attractions - museum "House of stationmaster" (mail station of Pushkin time), memorial complex on the place of former village Bolshoye Zarechye, burned by Nazis in time of the World War II, dilapidated church in the classical style in the village Pyataya Gora.

Stop 1. Near the bridge over the river Oredezh near former village Bolshoye Zarechye. Ophioglossum vulgatum, Carex ornithopoda, Carex disticha, Senecio paludosus, Lonicera baltica, Colchicum autumnale, Gentiana cruciata, Primula elatior.

Stop 2.  Near the village Dontso on the margin of Kyurlevo quarry. Teucrium scordium, Cypripedium calceolus, Epipactis atrorubens, Gymnadenia conopsea, Orchis militaris, etc., orchids, Crepis praemorsa, Primula farinosa, Anemone sylvestris.

Stop3. The springhead of the river Oredezh. Carex buxbaumii, Carex hostiana, Pinguicula vulgaris, etc.

Stop 4. Near the church in the Pyataya  Gora village. Carex flacca, Carex hartmanii, Carex tomentosa, Poterium sanguisorba, orchids.

Stop 5.  Tyaglinskoe lake. Karst lake, by its shores – wet depressions and meadows on limestone soil.