HAY FEVER PLANTS 
in 
New England 
Compiled by Professor Merritt Lydon Fernald, 
Harvard University 
(August 22, 1928) 
Common Name 
Botanical Name 
Date of 
Poll ination 
Pine Family (Pinaceae) 
Pine 
Pinus 
June 
Cat-tail 
Family (Typhace&e) 
Cat -tail 
Typha 
Bur-reed 
Family (Sparganiaceae ) 
Bur-reed 
Sp&rganium 
Sea sand reed 1 
Grass Family (Gramineae) 
Beach grass J 
Ammophila arenaria 
Crab grass 
Digitaria sanguinalis 
July l,thru Aug. 
Barnyard grass 
Echinochloa crus gall i 
Aug. - Oct. 
Yel low foxtail 
Setaria 
Timothy 
Phleum pratense 
May - June 
Meadow foxtail 
Alopecurus pratensis 
May - June 
Red top 
Agrostis alba 
June - July 
Hair grass 
Agrostis hyemalis 
July 
Blue joint grass 
Calamagrostis canadensis June - July 
Velvet grass 
Holcus lanatus 
May - June 
Common hair grass 
Deschampsia flexuosa 
Cord grass 
Spartina 
Aug. - Oct. 
Stink grass 
Eragrostis megastachya 
June to frost 
Orchard grass 
Kentucky blue grass) 
Dactyl is glome rat a 
June - July 
June grass / 
Poa pratensis 
May - June 
Low spear grass 
Poa annua 
April - June 
Fescue 
Sheep fescue ''I 
Festuca 
Bunch grass ) 
Festuca ovina 
Brome grass 
Quitch grass J 
Bromus tectorum 
May - June 
Couch grass J 
Agropyr on repens 
June - Aug. 
Willow Family (Salicaceae) 
Poplar 
Populus 
Sweet Gale Family ( Myricaceae ) 
Bayberry 
Myrica carolinensis 
May - early June 
Sweet fern Myrica asplenifolia May - early June 
Remarks 
Before timothy 
In street gutters 
