657 Species in Genus Quercus

The Mighty Oak: A Personal Exploration of Quercus

The oak, a symbol of strength and longevity, has captivated me since I was a child. Growing up, I would spend countless hours exploring the woods near my home, marveling at the towering oaks that seemed to touch the sky. Their gnarled branches, covered in moss and lichen, told stories of years gone by, and the rustling of their leaves was a constant source of comfort. It was this early fascination that sparked my lifelong interest in the Quercus genus.

A Diverse Family

Quercus is a diverse genus of trees and shrubs belonging to the beech family, Fagaceae. With an estimated 657 species, oaks are found throughout the Northern Hemisphere, from the cool temperate zones to the tropical highlands. They are a keystone species in many ecosystems, providing food and shelter for a wide range of animals.

One of the things that makes Quercus so fascinating is the sheer variety within the genus. From the majestic white oak (Quercus alba) with its broad leaves and spreading crown, to the scrubby live oak (Quercus virginiana) with its evergreen foliage and gnarled branches, each species has its own unique characteristics. Some oaks, like the cork oak (Quercus suber), are even cultivated for their bark, which is used to make wine stoppers and other products.

Identifying an Oak

Identifying an oak can be a rewarding challenge. The most distinctive feature of the oak is its fruit, the acorn. These nuts are typically encased in a cupule, a cup-like structure that varies in size and shape depending on the species. The leaves of oaks are also helpful in identification. They can be lobed, toothed, or entire, and their arrangement on the twig can be alternate or clustered.

A Closer Look at Some Quercus Species

  1. Quercus acatenangensis Trel.
  2. Quercus acerifolia (E.J.Palmer) Stoynoff & W.J.Hess ex R.J.Jensen
  3. Quercus acherdophylla Trel.
  4. Quercus acrodonta Seemen
  5. Quercus aculcingensis Trel.
  6. Quercus acuta Thunb.
  7. Quercus acutangula Trel.
  8. Quercus × acutidens Torr.
  9. Quercus acutifolia Née
  10. Quercus acutissima Carruth.
  11. Quercus aerea Trel.
  12. Quercus afares Pomel
  13. Quercus affinis Scheidw.
  14. Quercus agrifolia Née
  15. Quercus airensis Franco & Vasc.
  16. Quercus ajoensis C.H.Mull.
  17. Quercus alba L.
  18. Quercus × albescens Rouy ex A.Camus
  19. Quercus albicaulis Chun & W.C.Ko
  20. Quercus albocincta Trel.
  21. Quercus aliena Blume
  22. Quercus × alienocrispula H.Ohba
  23. Quercus × alienoserratoides T.B.Lee
  24. Quercus × allorgeana A.Camus
  25. Quercus × almeidae Vila-Viçosa, Capelo, P.Alves & F.M.Vázquez
  26. Quercus alnifolia Poech
  27. Quercus alpescens Trel.
  28. Quercus × alvesii Vila-Viçosa, Capelo, R.Almeida & F.M.Vázquez
  29. Quercus × alvordiana Eastw.
  30. Quercus × andegavensis Hy
  31. Quercus × andresii R.Alonso, Llamas, E.Puente & Penas
  32. Quercus × andrewsii Sarg.
  33. Quercus × anguste-lepidosa Nakai
  34. Quercus annulata Sm.
  35. Quercus apiculata Djav.-Khoie
  36. Quercus aquifolioides Rehder & E.H.Wilson
  37. Quercus arbutifolia Hickel & A.Camus
  38. Quercus argentata Korth.
  39. Quercus argyrotricha A.Camus
  40. Quercus ariifolia Trel.
  41. Quercus aristata Hook. & Arn.
  42. Quercus arizonica Sarg.
  43. Quercus arkansana Sarg.
  44. Quercus × arrimatensis Penas, Llamas, Pérez Morales & Acedo
  45. Quercus × ashei Trel.
  46. Quercus asymmetrica Hickel & A.Camus
  47. Quercus × atlantica Ashe
  48. Quercus aucheri Jaub. & Spach
  49. Quercus augustinei Skan
  50. Quercus aurea Wierzb.
  51. Quercus austrina Small
  52. Quercus austrocochinchinensis Hickel & A.Camus
  53. Quercus × autumnalis F.M.Vázquez, S.Ramos & Doncel
  54. Quercus × auzendei Gren. & Godr.
  55. Quercus × avellaniformis Colmeiro & E.Boutelou
  56. Quercus × baenitzii A.Camus
  57. Quercus baloot Griff.
  58. Quercus bambusifolia Hance
  59. Quercus baniensis A.Camus
  60. Quercus baolamensis H.T.Binh & Ngoc
  61. Quercus × barnova Georgescu & Dobrescu
  62. Quercus baronii Skan
  63. Quercus barrancana Spellenb.
  64. Quercus × basaseachicensis C.H.Mull.
  65. Quercus bawanglingensis C.C.Huang, Ze X.Li & F.W.Xing
  66. Quercus × beadlei Trel. ex E.J.Palmer
  67. Quercus × beaumontiana Sarg.
  68. Quercus × bebbiana C.K.Schneid.
  69. Quercus × beckyae Gaynor
  70. Quercus × beguinotii Gavioli
  71. Quercus bella Chun & Tsiang
  72. Quercus × benderi Baen.
  73. Quercus benthamii A.DC.
  74. Quercus berberidifolia Liebm.
  75. Quercus × bernardensis W.Wolf
  76. Quercus bicolor Willd.
  77. Quercus bidoupensis H.T.Binh & Ngoc
  78. Quercus × bimundorum E.J.Palmer
  79. Quercus blakei Skan
  80. Quercus blaoensis A.Camus
  81. Quercus × blufftonensis Trel.
  82. Quercus boyntonii Beadle
  83. Quercus braianensis A.Camus
  84. Quercus brandegeei Goldman
  85. Quercus brandisiana Kurz
  86. Quercus brantii Lindl.
  87. Quercus breedloveana Nixon & Barrie
  88. Quercus brenesii Trel.
  89. Quercus brevicalyx A.Camus
  90. Quercus breviradiata (W.C.Cheng) C.C.Huang
  91. Quercus × brittonii W.T.Davis
  92. Quercus buckleyi Nixon & Dorr Plant FAQs: Quercus Buckleyi – Texas Red Oak
  93. Quercus × burnetensis Little
  94. Quercus × bushii Sarg.
  95. Quercus × byarsii Sudw. ex Trel.
  96. Quercus × caduca Trel.
  97. Quercus × caesariensis Moldenke
  98. Quercus calophylla Schltdl. & Cham.
  99. Quercus cambodiensis Hickel & A.Camus
  100. Quercus × campitica Hadjik. & Hand
  101. Quercus camusiae Trel. ex Hickel & A.Camus
  102. Quercus canariensis Willd.
  103. Quercus canbyi Trel.
  104. Quercus × cantabrica C.Vicioso
  105. Quercus × capeloana Vila-Viçosa, P.Alves, P.Lemos, R.Almeida & F.M.Vázquez
  106. Quercus × capesii W.Wolf
  107. Quercus carduchorum K.Koch
  108. Quercus carmenensis C.H.Mull.
  109. Quercus × carrissoana A.Camus
  110. Quercus castanea Née
  111. Quercus castaneifolia C.A.Mey.
  112. Quercus × cazanensis Pasc.
  113. Quercus cedrosensis C.H.Mull.
  114. Quercus × celtica F.M.Vázquez, Coombes, Rodr.-Coombes, S.Ramos & Doncel
  115. Quercus centenaria L.M.González
  116. Quercus × cerrioides Willk. & Costa
  117. Quercus cerris L.
  118. Quercus championii Benth.
  119. Quercus changhualingensis (G.A.Fu & X.J.Hong) N.H.Xia & Y.H.Tong
  120. Quercus chapmanii Sarg.
  121. Quercus charcasana Trel. ex A.Camus
  122. Quercus chartacea Trel.
  123. Quercus chenii Nakai
  124. Quercus chevalieri Hickel & A.Camus
  125. Quercus chihuahuensis Trel.
  126. Quercus chimaltenangana Trel.
  127. Quercus chrysocalyx Hickel & A.Camus
  128. Quercus chrysolepis Liebm. Plant FAQs: Quercus Chrysolepis – Canyon Live Oak – Golden Cup Oak
  129. Quercus × chrysopoda Borbás
  130. Quercus chrysotricha A.Camus
  131. Quercus chungii F.P.Metcalf
  132. Quercus ciliaris C.C.Huang & Y.T.Chang
  133. Quercus coahuilensis Nixon & C.H.Mull.
  134. Quercus coccifera L.
  135. Quercus cocciferoides Hand.-Mazz.
  136. Quercus coccinea Münchh.
  137. Quercus × cocksii Sarg.
  138. Quercus coffeicolor Trel.
  139. Quercus × columnaris Laughlin
  140. Quercus × comptoniae Sarg.
  141. Quercus conduplicans Chun
  142. Quercus confertifolia Bonpl.
  143. Quercus congesta C.Presl
  144. Quercus convallata Trel.
  145. Quercus conzattii Trel.
  146. Quercus copeyensis C.H.Mull.
  147. Quercus cornelius-mulleri Nixon & K.P.Steele
  148. Quercus corrugata Hook.
  149. Quercus cortesii Liebm.
  150. Quercus × coscojosuberiformis Baonza
  151. Quercus costaricensis Liebm.
  152. Quercus × coutinhoi Samp.
  153. Quercus crassifolia Bonpl.
  154. Quercus crassipes Bonpl.
  155. Quercus × cravenensis Little
  156. Quercus crispifolia Trel.
  157. Quercus crispipilis Trel.
  158. Quercus cualensis L.M.González
  159. Quercus daimingshanensis (S.K.Lee) C.C.Huang
  160. Quercus dalechampii Ten.
  161. Quercus dankiaensis A.Camus
  162. Quercus × deamii Trel.
  163. Quercus delavayi Franch.
  164. Quercus × deleiensis A.Camus
  165. Quercus delgadoana S.Valencia, Nixon & L.M.Kelly
  166. Quercus delicatula Chun & Tsiang
  167. Quercus deliquescens C.H.Mull.
  168. Quercus × demareei Ashe
  169. Quercus dentata Thunb. Plant FAQs: Quercus Dentata – Korean Oak – Sawtooth Oak
  170. Quercus depressa Bonpl.
  171. Quercus depressipes Trel.
  172. Quercus deserticola Trel.
  173. Quercus devia Goldman
  174. Quercus × diegoi F.M.Vázquez, Pinto Gomes, Vinagre & Vila-Viçosa
  175. Quercus dilacerata Hickel & A.Camus
  176. Quercus dinghuensis C.C.Huang
  177. Quercus × diosdadoi F.M.Vázquez, Coombes, Rodr.-Coombes, S.Ramos & Doncel
  178. Quercus disciformis Chun & Tsiang
  179. Quercus × discreta Laughlin
  180. Quercus diversifolia Née
  181. Quercus × diversiloba Tharp ex A.Camus
  182. Quercus dolicholepis A.Camus
  183. Quercus dongfangensis C.C.Huang, F.W.Xing & Ze X.Li
  184. Quercus donnaiensis A.Camus
  185. Quercus douglasii Hook. & Arn.
  186. Quercus × drummondii Liebm.
  187. Quercus dumosa Nutt.
  188. Quercus durata Jeps.
  189. Quercus × duriensis (Franco & Vasc.) Vila-Viçosa, Capelo, P.Alves, R.Almeida & F.M.Vázquez
  190. Quercus durifolia Seemen
  191. Quercus × dysophylla Benth.
  192. Quercus × eborense Vila-Viçosa, Capelo, P.Alves, J.Junqueira, R.Almeida & F.M.V
  193. Quercus edithiae Skan
  194. Quercus eduardi Trel.
  195. Quercus edwardsiae C.H.Mull.
  196. Quercus × egglestonii Trel.
  197. Quercus elevaticostata (Q.F.Zheng) C.C.Huang
  198. Quercus ellipsoidalis E.J.Hill Plant FAQs: Quercus Ellipsoidalis – Northern Pin Oak
  199. Quercus elliptica Née
  200. Quercus elmeri Merr.
  201. Quercus emoryi Torr.
  202. Quercus engelmannii Greene Plant FAQs: Quercus Engelmannii – Engelmann Oak
  203. Quercus engleriana Seemen
  204. Quercus × eplingii C.H.Mull.
  205. Quercus estremadurensis O.Schwarz
  206. Quercus eugeniifolia Liebm.
  207. Quercus eumorpha Kurz
  208. Quercus × ewanii I.M.Turner
  209. Quercus × exacta Trel.
  210. Quercus fabri Hance
  211. Quercus faginea Lam.
  212. Quercus falcata Michx.
  213. Quercus × fangshanensis Liou
  214. Quercus × faxonii Trel.
  215. Quercus × fernaldii Trel.
  216. Quercus × fernowii Trel.
  217. Quercus × filialis Little
  218. Quercus fimbriata Y.C.Hsu & H.Wei Jen
  219. Quercus × firmurensis Hy
  220. Quercus floccosa Liebm.
  221. Quercus flocculenta C.H.Mull.
  222. Quercus floribunda Lindl. ex A.Camus
  223. Quercus × fontana Laughlin
  224. Quercus × fontanesii Guss.
  225. Quercus × fontqueri O.Schwarz
  226. Quercus frainetto Ten.
  227. Quercus franchetii Skan
  228. Quercus frutex Trel.
  229. Quercus fuliginosa Chun & W.C.Ko
  230. Quercus fulva Liebm.
  231. Quercus furfuracea Liebm.
  232. Quercus fusiformis Small Plant FAQs: Quercus Fusiformis
  233. Quercus gaharuensis Soepadmo
  234. Quercus galeanensis C.H.Mull.
  235. Quercus × gallaecica Llamas, Lence & Acedo
  236. Quercus gambelii Nutt. Plant FAQs: Quercus Gambelii – Gambel Oak
  237. Quercus gambleana A.Camus
  238. Quercus × ganderi C.B.Wolf
  239. Quercus × garlandensis E.J.Palmer
  240. Quercus garryana Douglas ex Hook.
  241. Quercus gemelliflora Blume
  242. Quercus geminata Small Plant FAQs: Quercus Geminata – Sand Live Oak
  243. Quercus georgiana M.A.Curtis
  244. Quercus germana Schltdl. & Cham.
  245. Quercus ghiesbreghtii M.Martens & Galeotti
  246. Quercus × giffordii Trel.
  247. Quercus gilliana Rehder & E.H.Wilson
  248. Quercus gilva Blume
  249. Quercus glabrescens Benth.
  250. Quercus glauca Thunb.
  251. Quercus glaucescens Bonpl.
  252. Quercus glaucoides M.Martens & Galeotti
  253. Quercus gomeziana A.Camus
  254. Quercus gracilenta Chun
  255. Quercus graciliformis C.H.Mull.
  256. Quercus gracilior C.H.Mull.
  257. Quercus grahamii Benth.
  258. Quercus gravesii Sudw. Plant FAQs: Quercus Gravesii – Graves’s Oak
  259. Quercus greggii (A.DC.) Trel.
  260. Quercus griffithii Hook.f. & Thomson ex Miq.
  261. Quercus grisea Liebm.
  262. Quercus × guadalupensis Sarg.
  263. Quercus gulielmi-treleasei C.H.Mull.
  264. Quercus gussonei (Borzì) Brullo
  265. Quercus guyavifolia H.Lév.
  266. Quercus handeliana A.Camus
  267. Quercus × harbisonii Sarg.
  268. Quercus hartwissiana Steven
  269. Quercus × hastingsii Sarg.
  270. Quercus havardii Rydb.
  271. Quercus × hawkinsiae Sudw.
  272. Quercus × haynaldiana Simonk.
  273. Quercus helferiana A.DC.
  274. Quercus × helvetica Thell.
  275. Quercus hemisphaerica W.Bartram ex Willd.
  276. Quercus × heterophylla F.Michx.
  277. Quercus × hillii Trel.
  278. Quercus hinckleyi C.H.Mull.
  279. Quercus hintonii E.F.Warb.
  280. Quercus hintoniorum Nixon & C.H.Mull.
  281. Quercus hirtifolia M.L.Vázquez, S.Valencia & Nixon
  282. Quercus × hispanica Lam.
  283. Quercus honbaensis H.T.Binh, Tagane & Yahara
  284. Quercus hondae Makino
  285. Quercus × hopeiensis Liou
  286. Quercus × howellii J.M.Tucker
  287. Quercus hui Chun
  288. Quercus huicholensis R.A.McCauley
  289. Quercus humboldtii Bonpl.
  290. Quercus × humidicola E.J.Palmer
  291. Quercus hypargyrea (Seemen ex Diels) C.C.Huang & Y.T.Chang
  292. Quercus hypoleucoides A.Camus
  293. Quercus hypophaea Hayata
  294. Quercus hypoxantha Trel.
  295. Quercus ichnusae Mossa, Bacch. & Brullo
  296. Quercus ignaciensis C.H.Mull.
  297. Quercus ilex L.
  298. Quercus ilicifolia Wangenh. Plant FAQs: Quercus Ilicifolia
  299. Quercus iltisii L.M.González
  300. Quercus imbricaria Michx.
  301. Quercus incana W.Bartram
  302. Quercus × incomita E.J.Palmer
  303. Quercus × inconstans E.J.Palmer
  304. Quercus infectoria G.Olivier
  305. Quercus inopina Ashe
  306. Quercus insignis M.Martens & Galeotti
  307. Quercus intricata Trel.
  308. Quercus × introgressa P.M.Thomson
  309. Quercus invaginata Trel.
  310. Quercus ithaburensis Decne.
  311. Quercus × jackiana C.K.Schneid.
  312. Quercus jenseniana Hand.-Mazz.
  313. Quercus jinpinensis (Y.C.Hsu & H.Wei Jen) C.C.Huang
  314. Quercus john-tuckeri Nixon & C.H.Mull.
  315. Quercus × jolonensis Sarg.
  316. Quercus jonesii Trel.
  317. Quercus × joorii Trel.
  318. Quercus juergensenii Liebm.
  319. Quercus kelloggii Newb. Plant FAQs: Kellogg Oak – Quercus Kelloggii
  320. Quercus kerangasensis Soepadmo
  321. Quercus × kerneri Simonk.
  322. Quercus kerrii Craib
  323. Quercus kinabaluensis Soepadmo
  324. Quercus kingiana Craib
  325. Quercus × kinseliae (C.H.Mull.) Nixon & C.H.Mull.
  326. Quercus kiukiangensis (Y.T.Chang) Y.T.Chang
  327. Quercus × kiusiana (Nakai) H.Ohba
  328. Quercus × knoblochii C.H.Mull.
  329. Quercus kongshanensis Y.C.Hsu & H.Wei Jen
  330. Quercus kotschyana O.Schwarz
  331. Quercus kouangsiensis A.Camus
  332. Quercus laceyi Small
  333. Quercus laeta Liebm.
  334. Quercus laevis Walter
  335. Quercus lamellosa Sm.
  336. Quercus lanata Sm.
  337. Quercus lancifolia Schltdl. & Cham.
  338. Quercus langbianensis Hickel & A.Camus
  339. Quercus laurifolia Michx.
  340. Quercus laurina Bonpl.
  341. Quercus × leana Nutt.
  342. Quercus lenticellata Barnett
  343. Quercus leucotrichophora A.Camus
  344. Quercus liaoi C.F.Shen
  345. Quercus libani G.Olivier
  346. Quercus liboensis Z.K.Zhou
  347. Quercus liebmannii Oerst. ex Trel.
  348. Quercus lineata Blume
  349. Quercus litseoides Dunn
  350. Quercus lobata Née
  351. Quercus lobbii Hook.f. & Thomson ex Ettingsh.
  352. Quercus lodicosa O.E.Warb. & E.F.Warb.
  353. Quercus longinux Hayata
  354. Quercus longispica (Hand.-Mazz.) A.Camus
  355. Quercus look Kotschy
  356. Quercus × lousae Vila-Viçosa, F.M.Vázquez, Meireles & Pinto Gomes
  357. Quercus lowii King
  358. Quercus × lucana Gavioli
  359. Quercus × ludoviciana Sarg.
  360. Quercus lungmaiensis (Hu) C.C.Huang & Y.T.Chang
  361. Quercus lusitanica Lam.
  362. Quercus lyrata Walter Plant FAQs: Quercus Lyrata – Overcup Oak
  363. Quercus × maccormickoserrata T.B.Lee
  364. Quercus × macdonaldii Greene & Kellogg
  365. Quercus macdougallii Martínez
  366. Quercus × macnabiana Sudw.
  367. Quercus macranthera Fisch. & C.A.Mey. ex Hohen.
  368. Quercus macrocalyx Hickel & A.Camus
  369. Quercus macrocarpa Michx.
  370. Quercus magnoliifolia Née
  371. Quercus magnosquamata Djav.-Khoie
  372. Quercus mangdenensis H.T.Binh & Ngoc
  373. Quercus × mannifera Lindl.
  374. Quercus manzanillana Trel.
  375. Quercus margaretta (Ashe) Small
  376. Quercus marilandica (L.) Münchh.
  377. Quercus marlipoensis Hu & W.C.Cheng
  378. Quercus martinezii C.H.Mull.
  379. Quercus × mccormickii Carruth.
  380. Quercus mcvaughii Spellenb.
  381. Quercus meavei Valencia-A, Sabas & O.J.Soto
  382. Quercus × megaleia Laughlin
  383. Quercus meihuashanensis (Q.F.Zheng) C.C.Huang
  384. Quercus melissae Nixon & Barrie
  385. Quercus × mellichampii Trel.
  386. Quercus merrillii Seemen
  387. Quercus mespilifolia Wall. ex A.DC.
  388. Quercus mexiae L.M.González
  389. Quercus mexicana Bonpl.
  390. Quercus michauxii Nutt. Plant FAQs: Quercus Michauxii – Swamp Chestnut Oak
  391. Quercus microphylla Née
  392. Quercus minima (Sarg.) Small
  393. Quercus miquihuanensis Nixon & C.H.Mull.
  394. Quercus miyagii Koidz.
  395. Quercus × mohlenbrockii P.M.Thomson
  396. Quercus mohriana Buckley ex Rydb.
  397. Quercus mongolica Fisch. ex Ledeb.
  398. Quercus monimotricha (Hand.-Mazz.) Hand.-Mazz.
  399. Quercus monnula Y.C.Hsu & H.Wei Jen
  400. Quercus montana Willd.
  401. Quercus × morehus Kellogg
  402. Quercus morii Hayata
  403. Quercus × morisii Borzì
  404. Quercus motuoensis C.C.Huang
  405. Quercus × moultonensis Ashe
  406. Quercus muehlenbergii Engelm.
  407. Quercus mulleri Martínez
  408. Quercus × munzii J.M.Tucker
  409. Quercus × mutabilis E.J.Palmer & Steyerm.
  410. Quercus myrsinifolia Blume
  411. Quercus myrtifolia Willd.
  412. Quercus × neopalmeri Sudw.
  413. Quercus neoplatyphylla A.Camus
  414. Quercus × neotharpii A.Camus
  415. Quercus ngochoaensis H.T.Binh & T.S.Hoang
  416. Quercus nigra L.
  417. Quercus ningangensis (W.C.Cheng & Y.C.Hsu) C.C.Huang
  418. Quercus ningqiangensis S.Z.Qu & W.H.Zhang
  419. Quercus × nipponica Koidz.
  420. Quercus nivea King
  421. Quercus nixoniana S.Valencia & Lozada-Pérez
  422. Quercus × numantina Ceballos & C.Vicioso
  423. Quercus × numidica Trab.
  424. Quercus obconicus Z.K.Zhou
  425. Quercus oblongifolia Torr.
  426. Quercus obtusanthera Trel.
  427. Quercus obtusata Bonpl.
  428. Quercus oglethorpensis W.H.Duncan
  429. Quercus oidocarpa Korth.
  430. Quercus oleoides Schltdl. & Cham.
  431. Quercus oocarpa Liebm.
  432. Quercus opaca Trel.
  433. Quercus ophiosquamata Djav.-Khoie
  434. Quercus × ordenensis F.M.Vázquez, Garcia Alonso & F.Márq.
  435. Quercus × organensis Trel.
  436. Quercus orocantabrica Rivas Mart., Penas, T.E.Díaz & Llamas
  437. Quercus × oviedoensis Sarg.
  438. Quercus oxyodon Miq.
  439. Quercus oxyphylla (E.H.Wilson) Hand.-Mazz.
  440. Quercus × pachucana Zav.-Cháv.
  441. Quercus pachyloma Seemen
  442. Quercus pacifica Nixon & C.H.Mull.
  443. Quercus pagoda Raf. Plant FAQs: Quercus Pagoda – Cherrybark Oak
  444. Quercus × palaeolithicola Trel.
  445. Quercus palmeri (Engelm.) Engelm.
  446. Quercus × palmeriana A.Camus
  447. Quercus palustris Münchh. Plant FAQs: Pin Oak Tree – Quercus Palustris
  448. Quercus panamandinaea C.H.Mull.
  449. Quercus pannosa Hand.-Mazz.
  450. Quercus × parkeri A.Camus
  451. Quercus parvula Greene
  452. Quercus × pastorae M.A.Pineda, F.M.Vázquez & Sánchez Gullón
  453. Quercus × pastorensis C.H.Mull.
  454. Quercus pauciradiata Penas, Llamas, Pérez Morales & Acedo
  455. Quercus × paui C.Vicioso
  456. Quercus paxtalensis C.H.Mull.
  457. Quercus peduncularis Née
  458. Quercus peninsularis Trel.
  459. Quercus pennivenia Trel.
  460. Quercus pentacycla Y.T.Chang
  461. Quercus percoriacea Soepadmo
  462. Quercus perpallida Trel.
  463. Quercus persica Jaub. & Spach
  464. Quercus petelotii A.Camus
  465. Quercus petraea (Matt.) Liebl.
  466. Quercus phanera Chun
  467. Quercus phellos L.
  468. Quercus phillyreoides A.Gray
  469. Quercus pinbianensis (Y.C.Hsu & H.Wei Jen) C.C.Huang & Y.T.Chang
  470. Quercus pinnativenulosa C.H.Mull.
  471. Quercus planipocula Trel.
  472. Quercus platycalyx Hickel & A.Camus
  473. Quercus × podophylla Trel.
  474. Quercus poilanei Hickel & A.Camus
  475. Quercus polymorpha Schltdl. & Cham. Plant FAQs: Quercus Polymorpha
  476. Quercus × pongtungensis Uyeki
  477. Quercus pontica K.Koch
  478. Quercus porphyrogenita Trel.
  479. Quercus potosina Trel.
  480. Quercus praeco Trel.
  481. Quercus × prasina Pers.
  482. Quercus pringlei Seemen
  483. Quercus prinoides Willd.
  484. Quercus protoroburoides Donchev & Bouzov ex Tashev & Tsavkov
  485. Quercus × pseudinfectoria A.Camus
  486. Quercus pseudococcifera Desf.
  487. Quercus × pseudodalechampii Cretz.
  488. Quercus pseudosetulosa Q.S.Li & T.Y.Tu
  489. Quercus pseudoverticillata Soepadmo
  490. Quercus pubescens Willd.
  491. Quercus × puentei Rivas Mart., T.E.Díaz, Penas, del Río, L.Herrero & R.Álvarez
  492. Quercus pumila Walter
  493. Quercus pungens Liebm.
  494. Quercus purulhana Trel.
  495. Quercus pyrenaica Willd.
  496. Quercus quangtriensis Hickel & A.Camus
  497. Quercus radiata Trel.
  498. Quercus ramsbottomii A.Camus
  499. Quercus × rechingeri O.Schwarz
  500. Quercus × rehderi Trel.
  501. Quercus rehderiana Hand.-Mazz.
  502. Quercus rekonis Trel.
  503. Quercus repanda Bonpl.
  504. Quercus resinosa Liebm.
  505. Quercus rex Hemsl.
  506. Quercus × riparia Laughlin
  507. Quercus × robbinsii Trel.
  508. Quercus robur L.
  509. Quercus robusta C.H.Mull.
  510. Quercus × rolfsii Small
  511. Quercus × rosacea Bechst.
  512. Quercus × rotensis Penas, Llamas, Pérez Morales & Acedo
  513. Quercus rotundifolia Lam.
  514. Quercus rubra L.
  515. Quercus rubramenta Trel.
  516. Quercus × rudkinii Britton
  517. Quercus rugosa Née
  518. Quercus × runcinata (A.DC.) Engelm.
  519. Quercus runcinatifolia Trel. & C.H.Mull.
  520. Quercus rupestris Hickel & A.Camus
  521. Quercus rysophylla Weath.
  522. Quercus sadleriana R.Br.ter
  523. Quercus saei Djav.-Khoie
  524. Quercus sagraeana Nutt.
  525. Quercus × salcedoi C.Vicioso
  526. Quercus salicifolia Née
  527. Quercus salicina Blume
  528. Quercus saltillensis Trel.
  529. Quercus × sampaioana Vila-Viçosa, Capelo, P.Alves, R.Almeida & F.M.Vázquez
  530. Quercus sanchezcolinii Martínez
  531. Quercus sapotifolia Liebm.
  532. Quercus sarahmariae Nixon & Barrie
  533. Quercus saravanensis A.Camus
  534. Quercus sartorii Liebm.
  535. Quercus × saulii C.K.Schneid.
  536. Quercus × schneideri Vierh.
  537. Quercus × schochiana Dieck
  538. Quercus schottkyana Rehder & E.H.Wilson
  539. Quercus × schuettei Trel.
  540. Quercus schultzei Trel.
  541. Quercus scytophylla Liebm.
  542. Quercus sebifera Trel.
  543. Quercus seemannii Liebm.
  544. Quercus segoviensis Liebm.
  545. Quercus semecarpifolia Sm.
  546. Quercus semiserrata Roxb.
  547. Quercus semiserratoides (Y.C.Hsu & H.Wei Jen) C.C.Huang & Y.T.Chang
  548. Quercus senescens Hand.-Mazz.
  549. Quercus × senneniana A.Camus
  550. Quercus serrata Murray
  551. Quercus sessilifolia Blume
  552. Quercus setulosa Hickel & A.Camus
  553. Quercus shangxiensis Z.K.Zhou
  554. Quercus shennongii C.C.Huang & S.H.Fu
  555. Quercus shingjenensis Y.T.Chang
  556. Quercus shumardii Buckley
  557. Quercus sichourensis (Y.C.Hsu) C.C.Huang & Y.T.Chang
  558. Quercus sideroxyla Bonpl.
  559. Quercus similis Ashe
  560. Quercus sinuata Walter
  561. Quercus skinneri Benth.
  562. Quercus × smallii Trel.
  563. Quercus sontraensis Ngoc, H.T.Binh & Son
  564. Quercus sororia Liebm.
  565. Quercus spinosa David
  566. Quercus steenisii Soepadmo
  567. Quercus stellata Wangenh.
  568. Quercus × stelloides E.J.Palmer
  569. Quercus stenophylloides Hayata
  570. Quercus × sterilis Trel.
  571. Quercus × sternbergii Lübbert ex Lamant & Coombes
  572. Quercus × sterrettii Trel.
  573. Quercus stewardiana A.Camus
  574. Quercus × streimii Heuff.
  575. Quercus striatula Trel.
  576. Quercus × subconvexa J.M.Tucker
  577. Quercus suber L.
  578. Quercus × subintegra (Engelm.) Trel.
  579. Quercus subsericea A.Camus
  580. Quercus subspathulata Trel.
  581. Quercus × substellata Trel.
  582. Quercus × succulenta Small
  583. Quercus sumatrana Soepadmo
  584. Quercus supranitida C.H.Mull.
  585. Quercus × szechenyiana Borbás
  586. Quercus × tabajdiana Simonk.
  587. Quercus × takaoyamensis Makino
  588. Quercus tarahumara Spellenb., J.R.Bacon & Breedlove
  589. Quercus tardifolia C.H.Mull.
  590. Quercus tarokoensis Hayata
  591. Quercus tatakaensis Tomiya
  592. Quercus × tavaresii Samp.
  593. Quercus texana Buckley
  594. Quercus × tharpii C.H.Mull.
  595. Quercus thomsoniana A.DC.
  596. Quercus thorelii Hickel & A.Camus
  597. Quercus tiaoloshanica Chun & W.C.Ko
  598. Quercus × tingitana A.Camus
  599. Quercus tinkhamii C.H.Mull.
  600. Quercus × tlemcenensis Trab.
  601. Quercus tomentella Engelm.
  602. Quercus tomentosinervis (Y.C.Hsu & H.Wei Jen) C.C.Huang
  603. Quercus tonduzii Seemen
  604. Quercus × tottenii Melvin
  605. Quercus toumeyi Sarg.
  606. Quercus × townei E.J.Palmer
  607. Quercus toxicodendrifolia Trel.
  608. Quercus × trabutii Hy
  609. Quercus treubiana Seemen
  610. Quercus × tridentata Engelm. ex A.DC.
  611. Quercus trojana Webb
  612. Quercus trungkhanhensis H.T.Binh & Ngoc
  613. Quercus tsinglingensis S.L.Liou ex S.Z.Qu & W.H.Zhang
  614. Quercus tuberculata Liebm.
  615. Quercus tuitensis L.M.González
  616. Quercus tungmaiensis Y.T.Chang
  617. Quercus turbinella Greene
  618. Quercus × turneri Willd.
  619. Quercus undata Trel.
  620. Quercus × undulata Torr.
  621. Quercus ungeri Kotschy
  622. Quercus × urartensis Uribe-Ech.
  623. Quercus urbani Trel.
  624. Quercus × urticifolia Blume
  625. Quercus utilis Hu & W.C.Cheng
  626. Quercus uxoris McVaugh
  627. Quercus vacciniifolia Hittell
  628. Quercus × vaga E.J.Palmer & Steyerm.
  629. Quercus valdinervosa Soepadmo
  630. Quercus vallicola Trel.
  631. Quercus variabilis Blume
  632. Quercus vaseyana Buckley
  633. Quercus velutina Lam. Plant FAQs: Quercus Velutina – Black Oak
  634. Quercus verde C.H.Mull.
  635. Quercus vestita Griff.
  636. Quercus vicentensis Trel.
  637. Quercus viminea Trel.
  638. Quercus virginiana Mill.
  639. Quercus × voigtii P.M.Thomson
  640. Quercus vulcanica Boiss. & Heldr. ex Kotschy
  641. Quercus × wagneri Gaynor
  642. Quercus × walteriana Ashe
  643. Quercus welshii R.A.Denham
  644. Quercus × welwitschii Samp.
  645. Quercus × willdenowiana (Dippel) Zabel
  646. Quercus wislizeni A.DC.
  647. Quercus wutaishanica Mayr
  648. Quercus xalapensis Bonpl.
  649. Quercus xanthoclada Drake
  650. Quercus xanthotricha A.Camus
  651. Quercus xuanlienensis H.T.Binh, Ngoc & T.N.Bon
  652. Quercus xylina Scheidw.
  653. Quercus yanqianii (G.A.Fu) N.H.Xia & Y.H.Tong
  654. Quercus yiwuensis Y.C.Hsu & H.Wei Jen
  655. Quercus × yokohamensis (Makino) Makino ex H.Ohba
  656. Quercus yonganensis L.K.Ling & C.C.Huang
  657. Quercus yongchunana Z.K.Zhou

The Importance of Oaks

Oaks play a vital role in the environment. Their acorns are a valuable food source for many animals, including squirrels, deer, and birds. Their leaves provide shade and shelter, and their roots help to stabilize the soil. Oaks are also important to humans. Their wood is strong and durable, making it ideal for construction, furniture, and flooring.

Facing the Future

Despite their strength and resilience, oaks are facing a number of threats. Climate change, habitat loss, and pests and diseases are all taking a toll on these magnificent trees. It is crucial that we take steps to protect and conserve oaks for future generations.

By planting trees, supporting conservation efforts, and educating others about the importance of oaks, we can all help to ensure that these magnificent trees continue to thrive for centuries to come. I believe that by understanding and appreciating the Quercus genus, we can deepen our connection to the natural world and inspire a sense of wonder and respect for these remarkable trees.

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