Table 5. -Phenalogical observations for herbs (including low-woody plants) east of the Continental Divide in Montana and in Yellowstone National Park, 1928 - 1937. 



Species 



First 

 appearance 



Leaf 

 buds 

 burst 



Leaves 



full 

 grown 



Flowers 

 start 



Flowers 

 end 



Fruits 

 ripe 



Seed 

 fall 

 starts 



Leaves 

 start 

 to color 

 to wither 



Leaves Leaves 

 begin fallen 

 to fall withered 



First 

 frost 

 injury 



Achillea millefolium 

 Average date 

 Earliest date 

 Latest date 

 Standard error 

 Number of observations 



Apr. 30 



Mar. 30 

 June 1 

 2 

 45 



June 21 



May 1 

 July 24 

 3 

 47 



June 23 



May 30 

 Aug. 2 

 2 

 43 



Aug. 2 



July 1 

 Sep. 21 

 3 

 40 



Aug. 13 



July 3 

 Sep. 24 

 3 

 41 



Aug. 19 



July 21 

 Oct. 1 1 

 4 

 25 



Aug. 16 



July 12 

 Sep. 25 

 3 

 41 



Sep. 1 1 



July 19 

 Oct. 15 

 3 

 45 



Aug. 31 



Aug. 16 

 Sep. 21 

 3 

 20 



Agropyron spicatum 

 Average date 

 Earliest date 

 Latest date 

 Standard error 

 Number of observations 



Apr. 14 



Mar. 25 

 May 16 

 3 



14 



June 20 



May 25 

 July 27 

 5 



14 



June 15 



May 15 

 July 12 

 4 

 14 



July 9 



June 10 

 July 23 



6 



7 



July 29 



June 15 

 Sep. 12 

 6 



14 



Aug. 5 



June 20 

 Oct. 1 

 12 

 7 



Aug. 14 



June 23 

 Oct. 1 

 7 



12 



Sep. 8 



Aug. 1 

 Oct. 15 



12 



12 



Sep. 5 



Aug. 20 

 Sep. 16 



7 



4 



Antennaria^ 

 Average date 

 Earliest date 

 Latest date 

 Standard error 

 Number of observations 



May 8 



Apr. 5 

 June 1 

 3 

 28 



July 2 



May 25 

 Aug. 2 

 4 

 28 



June 21 



May 20 

 July 20 

 3 

 26 



July 23 



June 5 

 Aug. 10 

 6 



13 



July 31 



June 10 

 Aug. 21 

 5 

 24 



Aug. 4 



June 12 

 Aug. 20 

 5 



14 



Aug. 22 



■July 1 

 Sep. 16 

 6 



12 



Oct. 5 



Aug. 13 

 Nov. 1 

 9 



10 



Sep. 3 



Sep. 1 

 Sep. 7 



2 



4 



Arctostaphylos uva ursi 

 Average date 

 Earliest date 

 Latest date 

 Standard error 

 Number of observations 



June 6 



May 27 

 June 22 



3 



8 



Aug. 2 



July 21 

 Aug. 15 

 2 



May 30 



May 15 

 June 20 

 4 



June 11 



May 31 

 June 30 

 4 



Aug. 23 



May 25 

 Sep. 25 

 16 

 7 



Oct. 16 



Oct. 16 

 Oct. 16 







2 



Armca cordifolia 

 Average date 

 Earliest date 

 Latest date 

 Standard error 

 Number of observations 



May 13 



Apr. 15 

 June 20 

 2 

 59 



June 14 



May 2 

 July 13 

 2 



61 



June 18 



May 6 

 July 15 

 2 

 59 



July 12 



May 20 

 Aug. 14 

 2 

 55 



July 23 



May 25 

 Aug. 22 

 2 

 55 



July 26 



June 1 

 Aug. 22 

 3 

 29 



July 25 



June 10 

 Sep. 10 

 2 



57 



Aug. 19 



July 6 

 Oct. 11 

 3 

 56 



Aug. 24 



Aug. 1 

 Sep. 1 5 

 4 

 15 



Balsamorhiza sagittata 

 Average date 

 Earliest date 

 Latest date 

 Standard error 

 Number of observations 



Apr. 26 



Apr. 3 

 May 13 

 3 



16 



June 4 



May 15 

 July 2 

 3 



16 



May 18 



Apr. 27 

 June 18 

 3 



June 16 



May 15 

 July 8 

 4 

 18 



July 7 



June 13 

 Aug. 2 

 4 

 15 



July 15 



June 19 

 Aug. 7 

 5 



10 



July 17 



June 20 

 Aug. 13 

 4 

 17 



Aug. 9 



July 25 

 Sep. 16 



12 



17 



Sep. 3 



Sep. 1 

 Sep. 4 



2 



2 



Berberis repens 

 Average date 

 Earliest date 

 Latest date 

 Standard error 

 Number of observations 



May 6 



Apr. 20 

 May 30 

 2 

 25 



June 12 



May 15 

 June 28 

 2 

 24 



May 28 



Apr. 28 

 July 4 

 3 

 32 



June 22 



May 15 

 Aug. 2 

 4 

 31 



Aug. 1 1 



June 23 

 Sep. 1 5 

 4 

 22 



Aug. 9 



July 16 

 Sep. 1 



6 



7 



Sep. 8 



Aug. 25 

 Sep. 15 



4 



5 



Sep. 20 



Sep. 17 

 Sep. 24 



2 



4 



Oct. 15 



Oct. 10 

 Aug. 18 



2 



4 



Calamagrostis rubescens 

 Average date 

 Earliest date 

 Latest date 

 Standard error 

 Number of observations 



May 6 



Apr. 6 

 May 31 

 2 



32 



June 22 



May 1 

 July 12 

 3 

 29 



July 2 



May 10 

 Aug. 10 

 5 

 23 



July 22 



June 24 

 Aug. 18 

 3 

 11 



Aug. 6 



June 27 

 Sep. 25 

 4 

 21 



Aug. 20 



July 29 

 Sep. 25 

 6 

 12 



Aug. 21 



July 4 

 Sep. 25 

 3 

 39 



Oct. 5 



Aug. 28 

 Oct. 30 

 3 

 25 



Sep. 3 



Aug. 15 

 Sep. 30 

 3 



17 



Campanula rotunditolia 

 Average date 

 Earliest date 

 Latest date 

 Standard error 

 Number of observations 



June 20 



June 14 

 June 26 



6 



2 



June 29 



June 20 

 July 20 



4 



7 



July 31 



July 18 

 Aug. 13 



5 



4 



Aug. 20 



Aug. 12 

 Aug. 30 



3 



5 



Aug. 19 



Aug. 16 

 Aug. 22 



2 



4 



Aug. 13 



Aug. 2 

 Aug. 22 



6 



3 



Sep. 8 



Aug. 30 

 Sep. 20 



5 



4 



Clematis hirsutissima 

 Average date 

 Earliest date 

 Latest date 

 Standard error 

 Number of observations 



May 3 



Apr. 1 1 

 May 13 

 3 



g 



June 9 



May 6 

 June 29 

 5 

 9 



May 16 



Apr. 21 

 June 10 

 4 

 10 



June 7 



May 25 

 July 1 

 3 



10 



July 10 



June 28 

 July 21 



3 



9 



July 14 



June 28 

 July 25 



4 



6 



July 21 



July 1 

 Aug. 15 

 5 



Aug. 13 



July 15 

 Sep. 15 

 8 



13 



Aug. 20 



Aug. 20 

 Aug. 20 







2 



Table 5. con. 



14 



