Dates of First Grasses


Species 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018
April
Alopecurus pratensis 27.4   4.4   3.5 28.3 12.5 27.4 16.5 24.4 23.4 28.4   3.4 19.4 11.4 15.4 16.4
Ochlopoa annua 10.5 16.5 16.5 17.4   8.5 30.4 30.4 24.4 25.4 20.4   4.4 13.4 12.4 15.5 20.4
Anthoxanthum odoratum   9.5 15.5 15.5 17.4 11.5   9.5   5.5   6.5 10.5 19.5 23.4   9.5   7.5 17.5 29.4
May
Bromus racemosus 12.5 ? 14.5 24.4   8.5 27.4 16.5   2.5   8.5 19.5 25.4   7.5 10.5 16.5   2.5
Poa pratensis ?   4.6   4.6   2.5 14.5 16.5 27.5   5.5 10.5 20.5 27.4 13.5   9.5 15.5   9.5
Dactylis glomerata 20.5 23.5 14.5   2.5 17.5   9.5 27.5   5.5 19.5 18.5 17.4 13.5 19.5 16.5 12.5
Lolium perenne   3.6 29.5   2.6   1.5 20.5 23.5 14.6 18.5 24.5 13.6 14.5 15.5 24.5 23.5 12.5
Poa nemoralis 11.5 18.5 15.5 22.5 26.5 25.5 28.5 18.5 24.5 10.6 14.5 27.5 19.5 20.5 16.5
Arrhenatherum elatius ? ?   8.6 ?   9.6 17.6 ? ? 30.6 ? 30.5   7.6 11.6 30.5 16.5
Avenella flexuosa 28.6   1.6   2.6   2.5 13.5 25.5   3.6   9.5 22.5   1.6 16.5 21.5 27.5 21.5 24.5
Glyceria fluitans   7.6   1.6   4.6 10.5 13.5   3.6 11.6 21.5 22.5 15.6   5.6 11.6 26.6 26.5 24.5
Bromus hordeaceus ? 18.5 ? 23.5 25.5 25.5   6.6   9.5 20.5   1.6 14.5   4.6   9.6 25.5 27.5
Deschampsia cespitosa 16.6 18.6 24.6 12.6   1.6   9.6 13.6   1.6 17.6 18.6 12.6 24.6   9.6 13.6 27.5
Holcus lanatus ? 27.5   2.6 12.5 14.5 24.5 ? 13.5 17.6 ? 14.5 28.5 27.5 24.5 30.5
Molinia caerulea 10.6 12.6 24.6 13.6 10.6 13.6 25.6 17.6   9.6 13.6   9.6 18.6 29.6   4.7 30.5
Cynosurus cristatus   3.6 25.5   2.6 <3.6 <7.6 19.6 ? ?   9.6 13.6 15.6 11.6   4.7   5.7 30.5
Holcus mollis 11.6   4.6 25.6   3.6   3.6 19.6 16.6 14.5 25.5 15.6 22.6 ? ? ? 30.5
Phleum pratense ? 13.6 25.6   8.6   8.6   3.6 16.6 30.5 17.6 26.6 15.6 14.6 26.6 14.6 31.5
June
Milium effusum ? 25.5   3.6 ? ? ? ? ? ? ? ? ? ? ? ?
Glyceria declinata ? ? ? ? 10.6   4.6 27.6 ? 28.6   8.7 15.6   4.6 ? ? ?
Drymochloa sylvatica 28.6   8.6 ?   6.6 ? ? ? ? ? ? ? ? ? ? ?
Alopecurus geniculatus ? ?   9.6 22.6 19.5   4.6 ? ? ? ? ?   9.6 ? ? ?
Bromopsis inermis 15.6 17.6 ? ?   4.6 13.6 ? ? ? ? ? ? 10.6 ? ?
Elytrigia repens   4.7   4.6 25.6 19.6   2.6   3.6 ? ? 24.7   9.7 29.5 25.6 24.6   9.7 13.6
Festuca rubra ?   5.6 25.6 19.6 ? ? ? 14.6 ? ? ? ? ? ? ?
Phalaroides arundinacea 28.6 10.6 20.6 12.6 10.6   9.6   6.7 23.7 25.7   8.7 22.6 26.6 10.7 14.6 18.6
Trisetum flavescens ? ? ? 23.5 16.5 22.5 ? 23.5 27.5 18.6 23.6   7.6   5.6 18.6 ?
Poa trivialis 15.6 29.5   2.6 <3.6   4.6 24.6 ? ? ? 10.7 ? ? ? ? 20.6
Festuca filiformis ? 29.5 ? ? ? ? ? ? ? 19.7 ? ? 22.6 ? ?
Calamagrostis arundinacea ? 19.6 ? ? 13.7 ? ? ? ? 26.6 ? ? ? ? ?
Agrostis capillaris ?   4.7 ?   7.7   9.7 14.7   5.7 10.7   9.7   8.7 16.7   7.7 19.7   3.7 28.6
July
Agrostis gigantea 17.7   6.8 18.7 16.7 13.7 15.8 ? ? ? 10.7 ? ? 19.7 ?   2.7
Agrostis canina ? ? ? <8.7 ? ? ? ? ? 10.7 26.7 18.7 ?   4.7 ?
Nardus stricta ? 11.6 ? ? 10.6   9.6 26.6   7.6 ? ? 22.6 26.6 <10.8   25.5 <6.7
Agrostis stolonifera ? 28.6 ?   7.7 ? ? ? ? ? ? ? ? ? ? ?


Translations

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