Ada Hayden
Ada Hayden ( an haife ta a ranar 14 ga watan Agustan 1884 kuma ta mutu a ranar 12 ga watan Agustan 1950 ) wata Ba'amurkiya ce masaniniyar ilimin tsirrai, mai ilmantarwa, kuma mai kiyayewa. Ita ce mai kula da Jami'ar Iowa ta Herbarium, wacce aka sauya mata suna zuwa Hay Hayden Herbarium (ISC) don karrama ta a shekara ta 1988.  A yayin aikin ta, ta kara samfuran samfu 40,000 zuwa herbarium.  Karatunta da aikin kiyayewa sun kasance masu mahimmanci musamman don tabbatar da adana babban prairie mai tsayi. 

The Hayden Prairie State Adana, yanki na farko da aka keɓe azaman kiyayewa a ƙarƙashin Dokar Tsaron Jiha ta Iowa a shekara ta 1965, an laƙaba mata suna don girmama ta.   Har ila yau kuma an lasafta ta a cikin girmamawarta shi ne Ada Hayden Park Park a Ames, Iowa.

Yara da ilimi 
Ada Hayden an haife ta a ranar 14 ga watan Agustan shekara ta 1884 kusa da Ames, Iowa ga Maitland David Hayden da Christine Hayden. Yayin da yake makarantar sakandare, Louis Hermann Pammel ya zama jagoranta. Ta yi digirin farko a Kwalejin Iowa State a shekara ta 1908, tana karatun tsirrai, digiri na biyu a Jami'ar Washington a St. Louis a shekara ta 1910, da kuma Ph.D. daga Jihar Iowa a cikin shekara ta 1918. Ita ce mace ta farko kuma mutum na huɗu da ya karɓi digirin digirgir daga kwalejin Iowa.

Ayyuka 
Hayden ta koyar da ilimin tsirrai a matsayin malama a Jihar Iowa daga shekara ta 1911, kuma ta ci gaba da wannan rawar har sai da ta yi digirgir digirgir. Ta zama mataimakiyar farfesa a fannin ilimin tsirrai a cikin shekara ta 1920, kuma mataimakiyar farfesa a Filin Gwajin Noma (Lakes Region) kuma mai kula da ganye a shekara ta 1934. Ta yi aiki tare tare da Louis Pammel da Charlotte King, suna ba da gudummawa ga The Weed Flora na Iowa  a shekara ta (1926) da Honey Plants na Iowa a shekara ta (1930). 

Ta mai da hankali kan tsire-tsire masu tsirrai na yankin tafkuna, kuma an yaba mata da "mai yiwuwa ne mafi kyawun binciken ƙwararan nativean… na kowane yanki na Iowa". Ta kasance farkon mai ba da shawara game da adana prairie, rubutu da magana a cikin goyon bayanta. A shekara ta 1944, ita da JM Aikman sun fitar da wani rahoto wanda ke nuna wuraren da za a iya kiyayewa a Iowa kuma Hayden ya zama darektan "Project Prairie". Ta tsara tsare-tsare na bayanai masu dacewa don yanke shawara game da mallakar ƙasa, tana aiki tare da Hukumar Kula da Statearfafawa ta Jiha (SCC) don siyan yankunan filayen relict. 

Ta kasance mamba a cikin ƙungiyar Lafiyar Jama'a ta Amurka tsawon shekaru. 

Ada Hayden ya mutu sakamakon cutar kansa a shekara ta 1950, tana da shekara 65.

Hanyoyin haɗin waje 

    
 Takardun Ada Hayden a Laburaren Jami'ar Jihar Iowa .
 "Masanin Botanist, Dan Kwallan Kwando, da kuma Masanin kiyaye Budding: Shekarun Dalibin Ada Hayden a Jihar Iowa"
 Ada Hayden Digital Collection a Iowa Jami'ar Jami'ar Jihar

Manazarta 

Haifaffun 1884
Mutuwan 1950
Pages with unreviewed translations