Banner Photo Sources:
- Common Chickweed: Pat Munts, http://www.spokesman.com/stories/2018/apr/18/gardening-to-control-chickweeds-timing-is-everythi/
- Texas Panicum: https://soilcropandmore.info/crops/Grasses/Texas_panicum/Texas-Panicum-Panicum-texanum.htm
- Saltgrass: Great Basin Seeds, https://greatbasinseeds.com/product/inland-saltgrass/
- Yellow nutsedge: Joseph, https://landscapeandsnow.com/blog/2013/05/26/yellow-nutsedge-the-problem-grass-like-weed-that-will-not-leave-your-lawn-without-a-fight/
Leaf arrangement types
Alternate leaves:
Mary W. Farmer, Flickr, https://www.flickr.com/photos/ntsavanna/5194765343/in/photolist-8V3wKH-6B4eEF-67FFRi-njyeDH-8DVBzh-CYxSjc-8NC4Xv-JUMVfq-tpTw4j-pfWxH-6Krto4-pyLZM-6XZHjU-8ktSmm-bxkzqJ-gjKpQX-AJowGm-ohDgPv-9Zai81-c4SmYW-tprvbC-2aRJK6g-8kr7aV-8kr1jv-8kuab3-8kqJ9Z-9zDNWN-8krkTB-8kqDHH-8kuncC-8ku7vo-8kqzon-8kqGC8-8ktXqW-5qbcE3-TkaJb-N6L9T-JwYrkG-MZEKw-egnoEy-CVvwaN-9Z7nhP-6g9xTZ-8ktJCG-6gLWAK-8krgjD-8kqWcZ-8ktZLW-8kqEEg-Ek3jJ
Basal rosette:
Harry Rose, Flickr, https://www.flickr.com/photos/macleaygrassman/16191462040/in/photolist-qEMtyC-NHWio1-9Aarqg-4UrKmv-nRubwx-2hsrNad-2hBiVWV-2grv7B2-2hsp8rH-2gSdYdv-2hsp9cF-2gaCZoZ-2ecwqGL-24Y8mdR-2gx9YsE-TEVJ6z-2hvUhqm-2hvRyfL-2gMQtVg-Tj1vc9-2g47zVQ-2gjY91m-2g1NL1x-UjK1KR-2fgNTPz-24EUg7X-2fPQjFK-2g7h6wx-nyN1Qa-2gQPzJ4-2eJX5MQ-2g6Ehnh-2geViX1-2fSgEiZ-2fjbGhb-2gsZKnZ-XArNQx-2gj7DGB-mkoi8x-24fm3DE-sBp9no-6xD3z7-PqDVmu-E1vPaz-DQ6js9-r1TZj7-DYdewu-xL1xuV-9pER6f-2gRH9RJ
Opposite leaves:
Mary W. Farmer, Flickr, https://www.flickr.com/photos/ntsavanna/5937432793/in/photolist-a3ETUV-8XY3TD-23zSfNS-TqjTXk-2ajK4FT-8Frypd-7U7vyV-3fWkud-shhiN1-bv4iZX-6Fpj7D-r8EKkF-8MogeL-3apoBv-HgcEKv-btJHdH-fzJiJD-p6AebZ-5m2B1-8MkcZR-oRBiL6-6Skywk-3m4rFW-8MPs7J-NB7vxs-8vnF94-8MkcPk-7bxK86-3m4rro-nyNWD3-btJfyp-akYKpK-6vkcsd-fzJiwB-8a9YrA-oyCAMd-fzJdrg-m1NfMs-7oChYn-ritt6x-oP68XS-BycdZ-bdXU8Z-ac1a8a-6j9Kzg-8MkcFZ-aGsFpv-rimJpZ-JFRrTV-oQR9wD
Whorled leaves:
Forest and Kim Starr, Flickr, https://www.flickr.com/photos/starr-environmental/35098585591/in/photolist-VtxqFr-275NDh9-26rNNSg-2UPoot-4N3iJw-oZ7dp6-Eh7kw9-atiUhM-6ikjC8-2gB5STy-5Z5b99-6mqhGx-dqfuJv-2jNQF-6z5GZi-2cyLmrz-cJT1AG-dG5tBJ-KyTwsJ-oiRoZL-5Jh4E6-MMmTd-aEHAw4-iVVToK-PKWuY-bCYdna-eiwjcF-MZzb1-b74qdK-916Aen-6eukAo-cn1NUw-4qDV7D-co3BDW-aaf3JM-HcaCP-5jTFQZ-ju7YEx-MZEFh-jwzPpo-ju7Ygr-8JNRSY-8DVWSS-jwB83Q-ju8ER5-oZfLoP-oZg6MZ-cn1NFY-ojCdkR-ojqWFW
Leaf margin types
Entire margin:
Aber TREC, Flickr, https://www.flickr.com/photos/128402268@N08/15272250239/in/photolist-pgygVi-c5cbRU-7vMrk6-ejnwAQ-5UPqoT-e1J5jD-4NTy7Z-53Yy2u-7FNFVJ-39HmW1-de2QgP-3dM1i6-de2PtL-8vnF94-21ePZP-8ePPau-8eLxEt-71XX1t-ek76Pr-6vkcsd-qHfZej-pw2iBU-6j9Kzg-py2RuL-pgyB5G-kzM9se-pgyMLm-py4VSx-py4u62-3m4a4W-8MLofX-8DGxpo-5YtXPJ-87A7Qb-ooj6Yv-jpHCm7-9QpnTW-ubtyzz-PKWxW-UBu5My-v8BHWH-8DDqbD-QXKKcb-9TyTBU-qWZei4-v8jwCt-py2UvW-dL1c3V-Ypmh6-5JYUQH
Crenate margin:
Tom Rulkens, Flickr, https://www.flickr.com/photos/10896102@N04/2511887627/in/photolist-4PY5Fn-4Pxb7q-5ArSvK-PiWBC-5zD245-6eMy-6c8Wwb-9zThps-abgexd-5JnJS6-dx1gK2-aFxCgR-BKpsGq-y9G5bM-JvTepr-d9QXKY-WNXZo4-eKECQK-799XyP-49pDQK-7D7UMP-oQmpAx-5avABv-4w9nCS-JvPwoW-5989Da-NJftA-iPvBQ7-4H6txn-PPoce-gcoYd-4um8id-92ouYi-pinS9e-CGroj-DRTk24-87q1RJ-7qVMgw-6Z1fs3-82JHDJ-9pYBNi-82JLzL-TuiBc-BLPgmh-dSpjHi-RBJj-qCyJq-8EMDRN-hzDASi-9uA5z
Serrate margin:
Geoffrey Fairchild, Flickr, https://www.flickr.com/photos/gcfairch/3593226952/in/photolist-6twebQ-54TFKt-4PY5Fn-4Pxb7q-5ArSvK-PiWBC-5zD245-6eMy-6c8Wwb-9zThps-abgexd-5JnJS6-dx1gK2-aFxCgR-BKpsGq-y9G5bM-JvTepr-d9QXKY-WNXZo4-eKECQK-799XyP-49pDQK-7D7UMP-oQmpAx-5avABv-4w9nCS-JvPwoW-5989Da-NJftA-iPvBQ7-4H6txn-PPoce-gcoYd-4um8id-92ouYi-pinS9e-CGroj-DRTk24-87q1RJ-7qVMgw-6Z1fs3-82JHDJ-9pYBNi-82JLzL-TuiBc-BLPgmh-dSpjHi-RBJj-qCyJq-8EMDRN
Palmate margin:
Stanley Zimny, Flickr, https://www.flickr.com/photos/stanzim/26563365019/in/photolist-GtjbY4-ZouRs9-Zi6fD3-YTQbh5-CXdq3A-2hAHu3g-q3Qptb-CzbJo8-Mjj3a-akFtZV-NoU7je-2g6ptLQ-Q5iduA-5tRBxJ-86DtXe-PedCff-HnTrTV-23ZELwc-qkZGjQ-3rUpD3-oPYKjw-o83GyV-ZFgCvS-a6TnF-qPDLKW-5DxGhj-ZBYA32-NG5qtz-Dpmwbo-WhXr9e-z19LHv-VGEtxB-BT4JqC-2hzZP5R-2htqaN6-21n3gxw-2htnrxL-2hxgMRd-NZQA7i-2hC5cbU-ZZCWCJ-NVBrPm-R8qcyN-2fo8oT4-NdE5y7-2htRZd2-8J47UP-NLTwAg-2hxfLsT-R4tGPz
Pinnate margin:
Harry Rose, Flickr, https://www.flickr.com/photos/macleaygrassman/39138354142/in/photolist-22Cwi8m-YR6N4w-RNAwvE-2argqNg-2aHX5VJ-QCgdXg-QCgsnx-QxJXMK-RNzEf9-FCbv2S-RhBu9N-f9pu7n-btHG4P-qV7szQ-MYn9o2-rcATV1-QCgxPz-dL1bTx-2ao2Mst-2bPLhAH-k5Ta8B-Ee7CNL-2eerHaG-23GyXxx-dL6RUq-rcGtyr-rcAUaj-2ao2LMF-dfcyrT-2aHX5JG-MYn85v-2aHX34G-2bPKZPM-btKqei-dL1reR-FmfJYq-dfczg5-2akRzFz-2eGEihH-2akHmkH-RCBGRd-2bPL1bP-23GyXGv-PFNPLs-2291TLv-sriij-N4wZCM-PAhKxh-2bJfzWK-2bJfzLV
Stem Types
Bulb:
Chiot's Run, Flickr, https://www.flickr.com/photos/chiotsrun/7401071548/in/photolist-ch1qHS-cvK3zq-7TNugP-cvK3iC-cvK2Zq-ch1rZ9-6FAdi6-ch1rf5-9rQKUJ-7R5SaU-bq6Hm4-7TRHnj-7TNuwR-7TRH9b-7LuFTf-bBv4wg-boA99q-bBv4R4-7WLjEd-7WLjx3-bGW3KH-bGW1uR-7R5xhq-bu2esS-7R5xpf-7R2gKa-bu2f4h-7VugpB-bfk6hH-bGW2Ci-bGW1bT-7LqxGT-bu2eJA-bu2cD1-bu2dhU-bu2dVS-7LuxhG-bGVZQD-97JFyE-97JFiU-97FzgT-7Lqy14-bKWtEH-7R5XyJ-bKWs8D-bKWx6x-bKWtjD-7LqB2K-7RZpBp-bDZyzM
Rhizome:
Jeff, Flickr, https://www.flickr.com/photos/completebamboo/2851197341/in/photolist-cArq3s-8bgXXq-7eCda-5kX8CR-nHLokU-4JpH9R-5BPKe9-4TXZ5Y-sfxEGY-CCVjQ-55iH2Q-G5CiPp-4RK3vA-e8K1Zp-nriCT6-TfsGZ9-3VNTnW-4nHBUc-7JJGST-4nHBRM-4XpPB3-7JNCzd-4een8D-sdgrEd-4K9bYt-4DYtur-akT8wZ-akT8Pg-akVWWQ-akVWZY-Zx7kmd-akT8FP-4JDYoj-cAQ2DS-cAQ2C1-TbCTGq-4KdrdE-4Kdrsd-rWenNr-4Kdr3L-43bSUS-4Kdrnb-H1Jn5i-7MWoa9-4XZH4r-8M6w46-eLBfau-eMYeS1-4PqofK-24HhNjF
Stolon:
Harry Rose, Flickr, https://www.flickr.com/photos/macleaygrassman/7069865133/in/photolist-bLJUAr-fvTe7X-NeFyE-ftbiZC-2ggRGu-bLtP7a-4zmXs1-6X1Evb-6WWDVP-28rFYV-6WWCnF-MZzb1-NYNVB-did5QN-MZQfz-2iTgk6-P2ggV-k8MTSN-k8Krs8-8tthCq-nYvXUg-fxQ3Gj-cRzwpW-WHJ1wc-2ggRdY-82i88M-psx14X-Zv5xL-qtSGws-pikEJ4-MWiPW-MZN9i-ZPhxj-oFecgk-isDsKU-2aBzq3-fvJmLk-MZFuU-didbx6-fvYKUW-fvJsxa-BQTpV-Tut3j-fvYASf-nKmcX8-nKj4Ys-qTwjk9-MZzhG-bxwg4p-psPcmi
Tubers:
UnconventionalEmma, Flickr, https://www.flickr.com/photos/fluffymuppet/6920260347/in/photolist-bxw9iz-dQoreH-2hA9wXm-8jnEUQ-5oNAov-e7MtXc-6Uefru-7at1LB-7b2LZV-7bE9R6-2GdGoA-AJDttF-ozVKsn-ws39A-31bLpH-4Rk4hK-7aubru-7bHXSG-8Uj15i-7anzkH-7aq3TG-7ZGuJG-7ZGuNo-JNM5Za-RF9HNm-VKSY7c-2dqqrNB-aoRbS1-9etxgT-8KNDB8-bzFqTG-83g6rr-7ZDjje-62BaTy-hWe4rM-X1Hgfo-gsfVn-jEVh4j-6JUWXP-edHPit-6r5F8J-7dmt9x-aLrNDM-7c13ML-7aubeL-5NmvSD-jET2eV-5yUSKq-aLrNAk-aLrN9x
Root Types
Adventitious roots:
Matt Lavin, Flickr, https://www.flickr.com/photos/plant_diversity/4973671699/in/photolist-MZyBW-MWg1b-MWpC4-Ztkn8S-25vXzcT-qybW6A-ZtkmBG-oxA3q2-994srN-pZA2WH-8zvnjk-ogngxV-Z9LmdU-6CzmwD-ognuw9-8zvmXB-j1NBnH-qmtNKm-rgaug7-2enT6td-NNEGdA-HTSzo7-Harim8-TCHKbS-Tkbah-2fGmavQ-6xu1z3-rimJpZ-rgaCa3-9PsbUH-p4cGWP-risHmZ-2gaouzg-7MYyyP-P89Snj-ogo1fr-oxDTXL-ognZiM-6WaWzR-qZ9jJR-H3Ksr5-r1VkG7-r23eyn-2gaoUCv-2gaouAJ-27RDhBY-dVtBvE-23HTUmP-2ekoABv-dUYpX1
Fibrous roots:
Bobby McCabe, Flickr, https://www.flickr.com/photos/163058217@N06/39090647870/in/photolist-22yiMHq
Taproot:
Science and Plants for School, Flickr, https://www.flickr.com/photos/71183136@N08/6947119736/in/photolist-bNNsme-bzTNEu-bNNsok-bzU8qo-bNNspH-bAZHJQ-bPUmHM
Growing Habits
Ascending stem:
Harry Rose, Flickr, https://www.flickr.com/photos/73840284@N04/11508915424
Climbing (tendrils):
Carol VanHook, Flickr, https://www.flickr.com/photos/librariesrock/34403671894/in/photolist-MB7Vz7-Uq8P3N
Climbing (twining):
Valerie Renee, Flickr, https://www.flickr.com/photos/valerierenee/2050657007/in/photolist-48d9Ti-bzjjWD-zQTuUL-2hfWkzQ-PSTrG-6vBcAp-wGuih-fiBwS7-JEHtKU-8fe81J-WTpQkX-XMYvHh-WPwEa6-XQHm7e-WMgbry-XQHkYD-XMYxPG-WMg89b-XQHmEi-8SDpFM-XQHkqK-WPwJmH-XMYyGU-XrWa1s-XrW6mo-XMYzm9-WMg9V7-WMg7G9-WMfZQJ-XMYwg1-XQHmxp-XQHmiM-2hkPond-XMYAWd-WMg8Bf-8jphK-WTpQzz-XMYyro-WTpQhF-WMgaKd-XQHjer-WPwDHK-XMYvSL-XMYB8f-XYPhCf-WMfY8f-XMYxfA-f3jq4J-XMYAHC-6Krto4
Decumbent:
RoRo, Wikimedia, https://commons.wikimedia.org/wiki/File:Cucurbita_maxima_Zapallo_Plomo_semiller%C3%ADa_Costanzi_-_vine_detail_decumbent_shoot_and_tendril.jpg
Erect:
Dinesh Valke, Flickr, https://www.flickr.com/photos/dinesh_valke/2275092798/in/photolist-4t3rPU-LzP1k-yuPTb-6f9vDs-BQXwe-qGXNky-NKPFgQ-pbxUa2-ErjJy-2CvYrm-2SfKBL-JCcEV-aqCmuR-4u9Wkr-5xdit5-6MpkgG-B88T5-xxT6r-8wkSUk-v9wHj-xy79d-8wkPrV-U1NUe-Ekrb7-P6PJh-uGf7C-6f9x4A-BQWQL-dxCq2K-tCkhF-PsT4b-dieQEc-dzAGWX-7MgBc9-4wVxgf-6MjWeR-6FQRFJ-uC3To-GUZWL-8wkQ7p-6MjVJV-GpSYX-dCAxde-dieMJj-6FQR51-B88KL-2SbpuZ-cX6ayh-byfL7c-2fna7K
Prostrate:
Andreas Rockstein, Flickr, https://www.flickr.com/photos/74738817@N07/40867826350/in/photolist-25gmhXG-Uq8DYM-K4sQf6-LHuZhJ-29Tw7a3-K4sJHp-Ub6m3m-Ytkpgh-L1NSs5-J1G6oj-X48KAX-KVVpWy-UdAfUz-Uq8zwF-KzkmUc-K7YhXc-YjGACb-XJiciW-27SS9BH-K94Wa4-WyCF4u-243c8t7-X7aV2E-W2xzsC-WSFj6U-VKLp8P-KUiW3m-YE99ue-X46MKx-Xia6C9-PBS9SD-LEMpZW-YAMK2m-WSFntL-Xbxpe4-T8KihU-W2qUDe-21moY4m-PEGeYa-28VVMbZ-WaczMK-MgZgpe-PBSa52-P78wTx-21moZmw-KWTGtX-X3iCPD-NKcUP9-YTKexB-7b6C3M
Grass ID Terminology
Grass awn:
Anne Worner, Flickr, https://www.flickr.com/photos/wefi_official/28878720456/in/photolist-KZUZto-6wFycy-6wFy8m-6wFyn3-6wBoxD-yJkRk-nHWrRK-34wmbj-nHW9UP-nG6uJq-tTHMcw-2svjc1-6UYuQ3-cugR3m-ecDveW-fCxQFp-5U3TSr-u1jSU-dVwAa9-JDDo8M-cugTRs-cQ77SL-6Hujvq-36f9ds-am7pbs-6PtmRH-6PxuGU-am7oTo-kwKEF2-hvm5SN-hZNxp4-am7pgY-6Sch69-fL9ArQ-hvsRCi-avJ5bn-4RXDae-6PKPrC-cQ6mch-avLJwf-6Ue3Jc-6PKPYC-aphRvN-avHW5x-74by5B-6UYuHy-2c8Uft3-ecxScK-bwXMUR-JDDodM
Grass blade:
ashokboghani, Flickr, https://www.flickr.com/photos/ashokbo/44138456612/in/photolist-2afn8oC-59JKzF-4TMkjL-bEuoCJ-rGRXXw-dgZXqR-9HsKgM-26xxKyb-5KrHCA-6ArT76-2199LFB-257T2EH-68QmMV-6Z7SFS-22tz7tL-aNLUHM-X3Yx-8FS6GN-24KXfuQ-tZmYr-6p69nn-5wtpsw-9GHREL-Jm7hN-dLTENH-ppdumR-7PxEcA-kcYmA-2ctSSk-odzNKY-qd6W7Q-fUrZB-e9Adzy-fCRMYV-5x9yNq-GKyc-2gKxZ-DdFA2-8MEoTj-66ohbA-6ds6Cz-goWb8w-ow6yir-7R7zGJ-Fqr9GS-xasxdt-nrMC3B-3xY8TC-9QHX1x-qJ4hi
Grass hairy:
Harry Rose, Flickr, https://www.flickr.com/photos/macleaygrassman/6920842628/
Grass glabrous:
Matt Lavin, Flickr, https://www.flickr.com/photos/plant_diversity/29137145264/in/photolist-LoKuaw-rDuqxU-6UiT84-KPgNWW-JPZZLJ-qi43zW-KN7cWP-S2oVS6-bxz7xU-edwySR-bLtR8Z-KKhjfQ-L1S8KJ-dbKyjd-cmnTWw-HXnxhE-PmRwhs-oJgmCG-K8431L-MJNWFr-qEF2X4-ddpffv-qk9KAM-LaAs2F-LDPkf2-6Ytod3-AnBpHn-bLtPwc-JPXfs9-sycGXA-KCNK7G-J6h68z-Mnc2kn-nt7psi-JyXqsR-YM4cWX-siTGq5-cmnTxs-8Ee7N2-JPZXS3-6YGhzE-6Z5FU3-21koCKM-2a78Bhx-JnXGG4-dbKzuy-28EpbPM-XTCE1x-22CtiuE-MJNWXt
Grass collar & sheath:
Matt Lavin, Flickr, https://www.flickr.com/photos/plant_diversity/28639855072/in/photolist-KCNK7G-26spLq8-QBGJgr-FXoomp-ftEex6-K8431L-dPojYK-27tt1zv-JyXqsR-2b1UQrM-J2MFp2-bXd1Ct-fuL9BW-JPZXS3-YuPqDj-pAX7rQ-2b1UqKi-Yr1drW-29udUiN-JPZZwW-KDK61a-Z3dwVa-26vgxwG-Z3dD1M-YM2Qku-JPZZub-2eodrfM-Ca8ptT-6NT5kK-JDDppe-HJgpPC-FQtDya-2bZ2dpJ-KKbtAs-eBau4a-24q7MU6-HQc8na-21jnzo4-N4k6S5-6HqdAi-24q7Ntx-E5rCxD-6yG9Bi-KepBbT-avKxqB-HJcKLD-21T9mod-Pt7gL-GgoysE-JaGbbZ
Grass ligule:
Hermann Falkner, Flickr, https://www.flickr.com/photos/hermannherbarium/4720466044/
Grass auricle:
Matt Lavin, Flickr, https://www.flickr.com/photos/plant_diversity/3886423910/in/photolist-6VqWqN-6WZRyy-6UTXsx-6Ztv9P-6VmS8x-6VkQRM-6V9sNb-camTrd-camTbY-nESG6z-PebTRg-nX4G56-nXgdaY-nX4Zvt-nVjtbC-27uRvqX-KmXVDN-nXn4wz-nXfqSb-bQLgmZ-bBRy2A-nXgoPd-nXnmPv-nX4XHk-Pecdyg-aphPuu-nZ9tx2-dxJwSB-6GrvvE-Pb6SMm-NLxYrJ-ALvcwm-fzrAXW-6Pzgrk-P6q8tp-dxPXPY-ALuS7j-fzrB57-6WVR6r-6Ygv2A-6XGAKj-6Yj3UD-6VmS1r-6Zxvfo-KCNK1u-6VkQYT-6VmC7a-6Yo5xU-6PDBYQ-6V9sE9
Grass panicle:
Harry Rose, Flickr, https://www.flickr.com/photos/macleaygrassman/7412720880/in/photolist-ci38Eq-KFjsZe-6Yigxk-6UTWRz-6YniZs-6Tt8rz-rerafL-7kaHUD-6UTWqr-6UY2Yb-6V5ouc-6Mv8iR-27YSWEZ-6MvhuD-riis5F-cPXRjY-cirDGq-fCFCvU-6UY2Ry-6T8t8H-6T8tpr-bn7tk7-HRzhL4-ohJC3r-efWzSy-JEomQT-6Vqx5K-qqVdxj-VmXuT1-JnXQpf-fuLCUS-ofZp8W-f6UpZs-f6Uq2u-cgLnZj-6PDCa1-cgLnNf-dQyD1d-dyrMRA-J2MEXk-nBsKYF-HKF6PK-QH9Ssn-CsHusS-6YnivQ-27rCDzB-A91sXv-6NLHD6-DnjSee-eS6s27
Grass raceme:
Harry Rose, Flickr, https://www.flickr.com/photos/macleaygrassman/7391797738/in/photolist-QpFJxm-bVZiUZ-dvytSb-PbGyCJ-HEawrs-AJjsN5-w953WN-HHEJYg-HyTcEV-cPzCe5-AMB2GX-cgbTx9-dvsUpF-H9Jyvf-DDYJSd-cgbTWA-PbH22q-GUjERc-cgbU7y-cgbT4L-A8Dvkd-cgbSs3-zPzYEf-QhGaPR-dvAEJM-dvGfjs-dvAEvp-Jm7eHL-CzY27G-EcErEn-wa8MXV-Au1W4G-AaXLQp-dy5Sc8-w9Hf7x-Au4GDQ-dybjnE-cjvz2h-dXcQGD-dXcQKB-JkSwBo-dXcQ4P-pfKnwj-EizkSj-cjvK33-D9nyXm-HyWs9u-cjvKpU-DXRtoV-ALDona
